/* SignWriting font (Google Fonts) — ISWA 2010 glyphs (U+1D800–U+1DAFF) */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SignWriting&display=swap');
/* Premium theme display fonts */
@import url('https://fonts.googleapis.com/css2?family=Bitter:ital,wght@0,400;0,600;1,400&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500;700&family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=Orbitron:wght@500;700&family=Roboto+Condensed:wght@400;600;700&family=Rye&display=swap');
@import url('themes-atmosphere.css');

.danger-modal-backdrop { display: none; }
.danger-modal-backdrop.danger-active { display: none; }
.danger-modal { display: none; }
@keyframes danger-pop { to { transform: scale(1); } }
.danger-actions { display:flex; gap:var(--spacing-sm); justify-content:flex-end; padding: var(--spacing-sm) var(--spacing-md); border-top:1px solid var(--danger-color); }
.danger-cancel { background: var(--button-bg); border:1px solid var(--input-border); padding:var(--spacing-sm) var(--spacing-sm); border-radius:6px; cursor:pointer; }
.danger-proceed { background:var(--danger-color); border:1px solid var(--danger-border); color:var(--danger-text); padding:var(--spacing-sm) var(--spacing-sm); border-radius:6px; cursor:pointer; box-shadow: 0 0 12px rgba(var(--danger-text-rgb),.35) inset, 0 0 16px rgba(var(--danger-text-rgb),.2); }
/* Modern dark theme styling */
:root {
    /* Layout & shared tokens (theme-agnostic) */
    --sidebar-width: 420px;
    --nav-width: 196px;
    --utility-width: 300px;
    --topbar-height: 52px;
    
    /* Transform category colors — one distinct hue per category */
    --case-color: #7986cb;            /* Periwinkle — case transforms */
    --case-color-rgb: 121, 134, 203;
    --cipher-color: #00897b;          /* Teal — classical ciphers */
    --cipher-color-rgb: 0, 137, 123;
    --concealment-color: #7cb342;     /* Olive — steganography / hidden text */
    --concealment-color-rgb: 124, 179, 66;
    --encoding-color: #7e57c2;        /* Purple — byte & data encodings */
    --encoding-color-rgb: 126, 87, 194;
    --format-color: #fb8c00;          /* Orange — text formatting */
    --format-color-rgb: 251, 140, 0;
    --signwriting-color: #8d6e63;     /* Brown — SignWriting notation */
    --signwriting-color-rgb: 141, 110, 99;
    --special-color: #43a047;         /* Green — misc / randomizer-adjacent */
    --special-color-rgb: 67, 160, 71;
    --symbol-color: #d4af37;          /* Gold — scripts & symbol alphabets */
    --symbol-color-rgb: 212, 175, 55;
    --technical-color: #00acc1;       /* Cyan — Morse, NATO, phone codes */
    --technical-color-rgb: 0, 172, 193;
    --unicode-color: #42a5f5;         /* Blue — Unicode letter styles */
    --unicode-color-rgb: 66, 165, 245;
    --visual-color: #ef5350;          /* Coral — visual / spoken effects */
    --visual-color-rgb: 239, 83, 80;
    --randomizer-color: #ec407a;      /* Pink — random mix */
    --randomizer-color-rgb: 236, 64, 122;
    /* Randomizer hero button — contrast-safe on encoding / randomizer fills */
    --randomizer-button-bg: var(--encoding-color);
    --randomizer-button-text: #ffffff;
    --randomizer-button-border: rgba(255, 255, 255, 0.28);
    --randomizer-button-preview-bg: rgba(0, 0, 0, 0.32);
    --randomizer-button-preview-text: rgba(255, 255, 255, 0.96);
    --randomizer-button-preview-border: rgba(255, 255, 255, 0.28);
    --randomizer-button-active-bg: var(--randomizer-color);
    --randomizer-button-active-text: #ffffff;
    --randomizer-button-active-preview-bg: rgba(0, 0, 0, 0.28);
    --randomizer-button-active-preview-text: rgba(255, 255, 255, 0.96);
    --randomizer-button-active-preview-border: rgba(255, 255, 255, 0.35);
    --custom-spelling-color: #ff7043; /* Deep orange — user spelling alphabets */
    --custom-spelling-color-rgb: 255, 112, 67;
    --translate-color: #b388ff;       /* Violet — AI translation (inline tool) */
    --translate-color-rgb: 179, 136, 255;
    
    /* Active state secondary colors (legacy tokens) */
    --case-active-end: #9fa8da;
    --cipher-active-end: #26a69a;
    --concealment-active-end: #aed581;
    --encoding-active-end: #9575cd;
    --format-active-end: #ffb74d;
    --signwriting-active-end: #a1887f;
    --special-active-end: #66bb6a;
    --symbol-active-end: #e6c84c;
    --technical-active-end: #26c6da;
    --unicode-active-end: #64b5f6;
    --visual-active-end: #e57373;
    --randomizer-active-end: #f06292;
    --custom-spelling-active-end: #ff8a65;
    --translate-active-end: #d1b3ff;
    
    /* Spacing scale */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Danger/error colors */
    --danger-color: #1b5e20;
    --danger-border: #2e7d32;
    --danger-text: #69f0ae;
    --danger-text-rgb: 105, 240, 174;
}

/* Dark theme (default) */
body.theme-dark,
body.dark-theme {
    --main-bg-color: #1a1a1a;
    --secondary-bg: #242424;
    --nav-bg: #121212;
    --utility-tab-bg: #1c1c1c;
    --text-color: #e0e0e0;
    --text-muted: #a0a0a0;
    --text-on-accent: #ffffff;
    --text-on-category: #ffffff;
    --placeholder-color: rgba(224, 224, 224, 0.5);
    --accent-color: #64b5f6;
    --accent-color-rgb: 100, 181, 246;
    --accent-hover: #90caf9;
    --accent-tint: rgba(100, 181, 246, 0.1);
    --accent-tint-hover: rgba(100, 181, 246, 0.15);
    --accent-tint-strong: rgba(100, 181, 246, 0.2);
    --accent-tint-subtle: rgba(100, 181, 246, 0.05);
    --surface-hover: rgba(255, 255, 255, 0.04);
    --success-color: #81c784;
    --status-success: #69f0ae;
    --error-text: #f07178;
    --error-bg: rgba(240, 113, 120, 0.08);
    --error-border: rgba(240, 113, 120, 0.35);
    --error-text-soft: #ffabab;
    --destructive-color: #ff6b6b;
    --destructive-hover: #e85d4c;
    --action-copy-color: #90caf9;
    --action-copy-hover: #bbdefb;
    --action-download-color: #69f0ae;
    --status-banner-bg: rgba(27, 94, 32, 0.15);
    --status-banner-border: #1b5e20;
    --status-banner-text: #69f0ae;
    --favorite-color: #ffd700;
    --favorite-color-rgb: 255, 215, 0;
    --preview-active-bg: rgba(0, 0, 0, 0.3);
    --preview-active-text: rgba(255, 255, 255, 0.92);
    --preview-active-border: rgba(255, 255, 255, 0.15);
    --tooltip-bg: rgba(20, 20, 25, 0.98);
    --tooltip-text: #ffffff;
    --button-bg: #2d2d2d;
    --button-hover-bg: #404040;
    --button-active-bg: #64b5f6;
    --input-bg: #2d2d2d;
    --input-border: #404040;
    --section-divider: #404040;
    --focus-shadow: 0 0 0 2px rgba(100, 181, 246, 0.4);
    --panel-shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.1);
    --sidebar-edge-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
    --shell-bg: #141414;
    --surface-overlay: rgba(0, 0, 0, 0.12);
    --surface-overlay-strong: rgba(0, 0, 0, 0.25);
    --surface-border-subtle: rgba(0, 0, 0, 0.06);
    --backdrop-scrim: rgba(0, 0, 0, 0.45);
    --fab-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
    --glitch-color: #00ff00;
    --glitch-color-rgb: 0, 255, 0;
    --switch-border: #1565a0;
    --switch-surface-glow: rgba(100, 181, 246, 0.15);
    --switch-track-bg: #0d2137;
    --switch-track-border: #1565a0;
    --switch-track-checked-bg: #1565c0;
    --switch-track-checked-glow: rgba(100, 181, 246, 0.45);
    --switch-thumb-bg: #90caf9;
    --switch-thumb-glow: rgba(144, 202, 249, 0.6);
    --switch-thumb-checked-bg: #64b5f6;
    --switch-thumb-checked-glow: rgba(100, 181, 246, 0.75);
    /* Legacy aliases used by older component styles */
    --text-primary: var(--text-color);
    --text-secondary: var(--text-muted);
    --muted-color: var(--text-muted);
    --border-color: var(--input-border);
    --bg-darkest: var(--input-bg);
    --bg-darker: var(--button-bg);
    color-scheme: dark;
}

/* Light theme */
body.theme-light,
body.light-theme {
    --main-bg-color: #eef1f5;
    --secondary-bg: #ffffff;
    --nav-bg: #e4e9ef;
    --utility-tab-bg: #f0f3f7;
    --text-color: #1b2430;
    --text-muted: #5c6573;
    --text-on-accent: #ffffff;
    --text-on-category: #ffffff;
    --placeholder-color: rgba(27, 36, 48, 0.45);
    --accent-color: #1565c0;
    --accent-color-rgb: 21, 101, 192;
    --accent-hover: #1976d2;
    --accent-tint: rgba(21, 101, 192, 0.1);
    --accent-tint-hover: rgba(21, 101, 192, 0.14);
    --accent-tint-strong: rgba(21, 101, 192, 0.2);
    --accent-tint-subtle: rgba(21, 101, 192, 0.06);
    --surface-hover: rgba(15, 23, 42, 0.06);
    --success-color: #2e7d32;
    --status-success: #1b5e20;
    --error-text: #c62828;
    --error-bg: rgba(198, 40, 40, 0.08);
    --error-border: rgba(198, 40, 40, 0.28);
    --error-text-soft: #b71c1c;
    --destructive-color: #d32f2f;
    --destructive-hover: #b71c1c;
    --action-copy-color: #1565c0;
    --action-copy-hover: #0d47a1;
    --action-download-color: #2e7d32;
    --action-download-hover: #1b5e20;
    --status-banner-bg: rgba(46, 125, 50, 0.08);
    --status-banner-border: rgba(46, 125, 50, 0.35);
    --status-banner-text: #1b5e20;
    --favorite-color: #b8860b;
    --favorite-color-rgb: 184, 134, 11;
    --preview-active-bg: rgba(255, 255, 255, 0.22);
    --preview-active-text: rgba(255, 255, 255, 0.95);
    --preview-active-border: rgba(255, 255, 255, 0.25);
    --tooltip-bg: rgba(27, 36, 48, 0.96);
    --tooltip-text: #f8fafc;
    --button-bg: #e8edf3;
    --button-hover-bg: #dce3ec;
    --button-active-bg: #1565c0;
    --input-bg: #ffffff;
    --input-border: #c5ced9;
    --section-divider: #d5dde7;
    --focus-shadow: 0 0 0 2px rgba(21, 101, 192, 0.35);
    --panel-shadow-soft: 0 2px 8px rgba(15, 23, 42, 0.08);
    --sidebar-edge-shadow: -5px 0 15px rgba(15, 23, 42, 0.12);
    --shell-bg: #dfe5ec;
    --surface-overlay: rgba(15, 23, 42, 0.06);
    --surface-overlay-strong: rgba(15, 23, 42, 0.1);
    --surface-border-subtle: rgba(15, 23, 42, 0.08);
    --backdrop-scrim: rgba(15, 23, 42, 0.35);
    --fab-shadow: 0 4px 16px rgba(15, 23, 42, 0.18);
    --glitch-color: #1b5e20;
    --glitch-color-rgb: 27, 94, 32;
    --switch-border: rgba(21, 101, 192, 0.55);
    --switch-surface-glow: rgba(21, 101, 192, 0.12);
    --switch-track-bg: #e3edf7;
    --switch-track-border: rgba(21, 101, 192, 0.45);
    --switch-track-checked-bg: #1565c0;
    --switch-track-checked-glow: rgba(21, 101, 192, 0.35);
    --switch-thumb-bg: #90caf9;
    --switch-thumb-glow: rgba(21, 101, 192, 0.25);
    --switch-thumb-checked-bg: #ffffff;
    --switch-thumb-checked-glow: rgba(21, 101, 192, 0.4);
    --text-primary: var(--text-color);
    --text-secondary: var(--text-muted);
    --muted-color: var(--text-muted);
    --border-color: var(--input-border);
    --bg-darkest: var(--input-bg);
    --bg-darker: var(--button-bg);
    color-scheme: light;
}

/* BT6 — Basilisk Team Six / bt6.gg (true black, blood red, serif + mono) */
body.theme-bt6 {
    --main-bg-color: #050505;
    --secondary-bg: #0a0a0a;
    --nav-bg: #000000;
    --utility-tab-bg: #080808;
    --text-color: #f5f2ef;
    --text-muted: #8a8178;
    --text-on-accent: #ffffff;
    --text-on-category: #ffffff;
    --placeholder-color: rgba(138, 129, 120, 0.55);
    --accent-color: #962020;
    --accent-color-rgb: 150, 32, 32;
    --accent-hover: #b52828;
    --accent-tint: rgba(150, 32, 32, 0.1);
    --accent-tint-hover: rgba(150, 32, 32, 0.16);
    --accent-tint-strong: rgba(150, 32, 32, 0.22);
    --accent-tint-subtle: rgba(150, 32, 32, 0.05);
    --surface-hover: rgba(255, 255, 255, 0.03);
    --success-color: #6b8f6e;
    --status-success: #8aab8d;
    --error-text: #c44d3a;
    --error-bg: rgba(196, 77, 58, 0.1);
    --error-border: rgba(196, 77, 58, 0.35);
    --error-text-soft: #e07a6a;
    --destructive-color: #962020;
    --destructive-hover: #b52828;
    --action-copy-color: #c9a84c;
    --action-copy-hover: #dbbc6a;
    --action-download-color: #8aab8d;
    --action-download-hover: #a8c9ab;
    --status-banner-bg: rgba(150, 32, 32, 0.1);
    --status-banner-border: rgba(150, 32, 32, 0.35);
    --status-banner-text: #d4a0a0;
    --favorite-color: #c9a84c;
    --favorite-color-rgb: 201, 168, 76;
    --preview-active-bg: rgba(0, 0, 0, 0.4);
    --preview-active-text: rgba(245, 242, 239, 0.95);
    --preview-active-border: rgba(150, 32, 32, 0.35);
    --tooltip-bg: rgba(0, 0, 0, 0.96);
    --tooltip-text: #f5f2ef;
    --button-bg: #111111;
    --button-hover-bg: #181818;
    --button-active-bg: #962020;
    --input-bg: #0a0a0a;
    --input-border: #222222;
    --section-divider: #1a1a1a;
    --focus-shadow: 0 0 0 1px rgba(150, 32, 32, 0.6);
    --panel-shadow-soft: none;
    --sidebar-edge-shadow: none;
    --shell-bg: #000000;
    --surface-overlay: rgba(150, 32, 32, 0.04);
    --surface-overlay-strong: rgba(0, 0, 0, 0.35);
    --surface-border-subtle: rgba(150, 32, 32, 0.12);
    --backdrop-scrim: rgba(0, 0, 0, 0.75);
    --fab-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
    --glitch-color: #962020;
    --glitch-color-rgb: 150, 32, 32;
    --switch-border: #962020;
    --switch-surface-glow: rgba(150, 32, 32, 0.15);
    --switch-track-bg: #1a0808;
    --switch-track-border: #962020;
    --switch-track-checked-bg: #962020;
    --switch-track-checked-glow: rgba(150, 32, 32, 0.45);
    --switch-thumb-bg: #c9a84c;
    --switch-thumb-glow: rgba(201, 168, 76, 0.5);
    --switch-thumb-checked-bg: #dbbc6a;
    --switch-thumb-checked-glow: rgba(201, 168, 76, 0.75);
    --theme-secondary: #c9a84c;
    --theme-secondary-rgb: 201, 168, 76;
    --theme-display-font: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --theme-ui-font: 'Inter', system-ui, -apple-system, sans-serif;
    --theme-mono-font: 'JetBrains Mono', 'Courier New', monospace;
    --theme-radius: 0;
    --text-primary: var(--text-color);
    --text-secondary: var(--text-muted);
    --muted-color: var(--text-muted);
    --border-color: var(--input-border);
    --bg-darkest: var(--input-bg);
    --bg-darker: var(--button-bg);
    color-scheme: dark;
}

/* Pliny — pliny.gg (true black, neon green CRT, white sans + mono leetspeak) */
body.theme-pliny {
    --main-bg-color: #020402;
    --secondary-bg: #050805;
    --nav-bg: #000000;
    --utility-tab-bg: #030503;
    --text-color: #ffffff;
    --text-muted: #9aa39a;
    --text-on-accent: #000000;
    --text-on-category: #000000;
    --placeholder-color: rgba(154, 163, 154, 0.55);
    --accent-color: #00ff41;
    --accent-color-rgb: 0, 255, 65;
    --accent-hover: #5cff7a;
    --accent-tint: rgba(0, 255, 65, 0.08);
    --accent-tint-hover: rgba(0, 255, 65, 0.14);
    --accent-tint-strong: rgba(0, 255, 65, 0.2);
    --accent-tint-subtle: rgba(0, 255, 65, 0.04);
    --surface-hover: rgba(0, 255, 65, 0.04);
    --success-color: #00ff41;
    --status-success: #00ff41;
    --error-text: #ff6b8a;
    --error-bg: rgba(255, 107, 138, 0.08);
    --error-border: rgba(255, 107, 138, 0.32);
    --error-text-soft: #ff9eb3;
    --destructive-color: #ff4466;
    --destructive-hover: #ff2244;
    --action-copy-color: #00ff41;
    --action-copy-hover: #5cff7a;
    --action-download-color: #00ff41;
    --action-download-hover: #5cff7a;
    --status-banner-bg: rgba(0, 255, 65, 0.08);
    --status-banner-border: rgba(0, 255, 65, 0.35);
    --status-banner-text: #00ff41;
    --favorite-color: #00ff41;
    --favorite-color-rgb: 0, 255, 65;
    --preview-active-bg: rgba(0, 0, 0, 0.45);
    --preview-active-text: rgba(255, 255, 255, 0.95);
    --preview-active-border: rgba(0, 255, 65, 0.35);
    --tooltip-bg: rgba(0, 0, 0, 0.96);
    --tooltip-text: #ffffff;
    --button-bg: #080a08;
    --button-hover-bg: #0e120e;
    --button-active-bg: #00ff41;
    --input-bg: #050805;
    --input-border: #1a221a;
    --section-divider: #141a14;
    --focus-shadow: 0 0 0 1px rgba(0, 255, 65, 0.55), 0 0 12px rgba(0, 255, 65, 0.2);
    --panel-shadow-soft: none;
    --sidebar-edge-shadow: none;
    --shell-bg: #000000;
    --surface-overlay: rgba(0, 255, 65, 0.04);
    --surface-overlay-strong: rgba(0, 0, 0, 0.35);
    --surface-border-subtle: rgba(0, 255, 65, 0.1);
    --backdrop-scrim: rgba(0, 0, 0, 0.78);
    --fab-shadow: 0 0 20px rgba(0, 255, 65, 0.25);
    --glitch-color: #00ff41;
    --glitch-color-rgb: 0, 255, 65;
    --switch-border: #00ff41;
    --switch-surface-glow: rgba(0, 255, 65, 0.15);
    --switch-track-bg: #0b2e13;
    --switch-track-border: #1b5e20;
    --switch-track-checked-bg: #00aa2a;
    --switch-track-checked-glow: rgba(0, 255, 65, 0.45);
    --switch-thumb-bg: #a5d6a7;
    --switch-thumb-glow: rgba(0, 255, 65, 0.5);
    --switch-thumb-checked-bg: #00ff41;
    --switch-thumb-checked-glow: rgba(0, 255, 65, 0.75);
    --theme-secondary: #00ff41;
    --theme-secondary-rgb: 0, 255, 65;
    --theme-display-font: 'Inter', system-ui, -apple-system, sans-serif;
    --theme-ui-font: 'Inter', system-ui, -apple-system, sans-serif;
    --theme-mono-font: 'JetBrains Mono', 'Courier New', monospace;
    --theme-radius: 0;
    --text-primary: var(--text-color);
    --text-secondary: var(--text-muted);
    --muted-color: var(--text-muted);
    --border-color: var(--input-border);
    --bg-darkest: var(--input-bg);
    --bg-darker: var(--button-bg);
    color-scheme: dark;
}

/* Cyberpunk — neon magenta + cyan on midnight purple */
body.theme-cyberpunk {
    --main-bg-color: #12001f;
    --secondary-bg: #1a0029;
    --nav-bg: #060010;
    --utility-tab-bg: #0e0018;
    --text-color: #e8d4ff;
    --text-muted: #9a7ab8;
    --text-on-accent: #0a0014;
    --text-on-category: #ffffff;
    --placeholder-color: rgba(232, 212, 255, 0.45);
    --accent-color: #ff2a6d;
    --accent-color-rgb: 255, 42, 109;
    --accent-hover: #ff5c8d;
    --accent-tint: rgba(255, 42, 109, 0.12);
    --accent-tint-hover: rgba(255, 42, 109, 0.18);
    --accent-tint-strong: rgba(255, 42, 109, 0.24);
    --accent-tint-subtle: rgba(255, 42, 109, 0.06);
    --surface-hover: rgba(5, 217, 232, 0.06);
    --success-color: #05d9e8;
    --status-success: #05d9e8;
    --error-text: #ff5c8d;
    --error-bg: rgba(255, 42, 109, 0.1);
    --error-border: rgba(255, 42, 109, 0.35);
    --error-text-soft: #ff9ec0;
    --destructive-color: #ff2a6d;
    --destructive-hover: #ff0055;
    --action-copy-color: #05d9e8;
    --action-copy-hover: #5ce8f5;
    --action-download-color: #f7f048;
    --action-download-hover: #fff176;
    --status-banner-bg: rgba(5, 217, 232, 0.1);
    --status-banner-border: rgba(5, 217, 232, 0.35);
    --status-banner-text: #05d9e8;
    --favorite-color: #f7f048;
    --favorite-color-rgb: 247, 240, 72;
    --preview-active-bg: rgba(0, 0, 0, 0.4);
    --preview-active-text: rgba(255, 255, 255, 0.95);
    --preview-active-border: rgba(255, 42, 109, 0.25);
    --tooltip-bg: rgba(6, 0, 16, 0.98);
    --tooltip-text: #e8d4ff;
    --button-bg: #220033;
    --button-hover-bg: #2e0044;
    --button-active-bg: #ff2a6d;
    --input-bg: #1a0029;
    --input-border: #4a2066;
    --section-divider: #4a2066;
    --focus-shadow: 0 0 0 2px rgba(255, 42, 109, 0.45), 0 0 12px rgba(5, 217, 232, 0.15);
    --panel-shadow-soft: 0 2px 12px rgba(255, 42, 109, 0.15);
    --sidebar-edge-shadow: -5px 0 20px rgba(255, 42, 109, 0.12);
    --shell-bg: #0a0014;
    --surface-overlay: rgba(255, 42, 109, 0.08);
    --surface-overlay-strong: rgba(0, 0, 0, 0.32);
    --surface-border-subtle: rgba(5, 217, 232, 0.1);
    --backdrop-scrim: rgba(10, 0, 20, 0.65);
    --fab-shadow: 0 4px 20px rgba(255, 42, 109, 0.35);
    --glitch-color: #05d9e8;
    --glitch-color-rgb: 5, 217, 232;
    --switch-border: #ff2a6d;
    --switch-surface-glow: rgba(255, 42, 109, 0.18);
    --switch-track-bg: #2a0038;
    --switch-track-border: #ff2a6d;
    --switch-track-checked-bg: #ff2a6d;
    --switch-track-checked-glow: rgba(255, 42, 109, 0.5);
    --switch-thumb-bg: #05d9e8;
    --switch-thumb-glow: rgba(5, 217, 232, 0.6);
    --switch-thumb-checked-bg: #05d9e8;
    --switch-thumb-checked-glow: rgba(5, 217, 232, 0.85);
    --theme-secondary: #f7f048;
    --theme-secondary-rgb: 247, 240, 72;
    --theme-display-font: 'Orbitron', 'Courier New', sans-serif;
    --theme-radius: 0;
    --text-primary: var(--text-color);
    --text-secondary: var(--text-muted);
    --muted-color: var(--text-muted);
    --border-color: var(--input-border);
    --bg-darkest: var(--input-bg);
    --bg-darker: var(--button-bg);
    color-scheme: dark;
}

/* Wild West — vintage saloon: cream, sage, dusty rose */
body.theme-wildwest {
    --main-bg-color: #f2e6c5;
    --secondary-bg: #f2e6c5;
    --nav-bg: #8bb69d;
    --utility-tab-bg: #7fab91;
    --text-color: #1a1a1a;
    --text-muted: #6b5e4f;
    --text-on-accent: #ffffff;
    --text-on-category: #ffffff;
    --placeholder-color: rgba(107, 94, 79, 0.55);
    --accent-color: #d67c7c;
    --accent-color-rgb: 214, 124, 124;
    --accent-hover: #c46969;
    --accent-tint: rgba(214, 124, 124, 0.14);
    --accent-tint-hover: rgba(214, 124, 124, 0.2);
    --accent-tint-strong: rgba(214, 124, 124, 0.28);
    --accent-tint-subtle: rgba(214, 124, 124, 0.08);
    --surface-hover: rgba(214, 124, 124, 0.08);
    --success-color: #6b8f6e;
    --status-success: #8bb69d;
    --error-text: #b84233;
    --error-bg: rgba(196, 77, 58, 0.1);
    --error-border: rgba(196, 77, 58, 0.35);
    --error-text-soft: #c46969;
    --destructive-color: #b84233;
    --destructive-hover: #962f22;
    --action-copy-color: #d67c7c;
    --action-copy-hover: #c46969;
    --action-download-color: #6b8f6e;
    --action-download-hover: #8bb69d;
    --status-banner-bg: rgba(214, 124, 124, 0.12);
    --status-banner-border: rgba(214, 124, 124, 0.35);
    --status-banner-text: #1a1a1a;
    --favorite-color: #d67c7c;
    --favorite-color-rgb: 214, 124, 124;
    --preview-active-bg: rgba(255, 255, 255, 0.65);
    --preview-active-text: #1a1a1a;
    --preview-active-border: rgba(214, 124, 124, 0.35);
    --tooltip-bg: rgba(26, 26, 26, 0.92);
    --tooltip-text: #f2e6c5;
    --button-bg: #fff8ea;
    --button-hover-bg: #fffdf5;
    --button-active-bg: #d67c7c;
    --input-bg: #fffdf8;
    --input-border: #c4b5a0;
    --section-divider: #d4c4a8;
    --focus-shadow: 0 0 0 2px rgba(214, 124, 124, 0.45);
    --panel-shadow-soft: 0 1px 4px rgba(26, 26, 26, 0.08);
    --sidebar-edge-shadow: -2px 0 8px rgba(26, 26, 26, 0.06);
    --shell-bg: #ebe3cc;
    --surface-overlay: rgba(214, 124, 124, 0.06);
    --surface-overlay-strong: rgba(26, 26, 26, 0.06);
    --surface-border-subtle: rgba(139, 182, 157, 0.35);
    --backdrop-scrim: rgba(26, 26, 26, 0.45);
    --fab-shadow: 0 2px 10px rgba(26, 26, 26, 0.15);
    --glitch-color: #1a1a1a;
    --glitch-color-rgb: 26, 26, 26;
    --switch-border: #d67c7c;
    --switch-surface-glow: rgba(214, 124, 124, 0.18);
    --switch-track-bg: #fff8ea;
    --switch-track-border: #d67c7c;
    --switch-track-checked-bg: #d67c7c;
    --switch-track-checked-glow: rgba(214, 124, 124, 0.35);
    --switch-thumb-bg: #8bb69d;
    --switch-thumb-glow: rgba(139, 182, 157, 0.45);
    --switch-thumb-checked-bg: #ffffff;
    --switch-thumb-checked-glow: rgba(214, 124, 124, 0.4);
    --theme-secondary: #8bb69d;
    --theme-secondary-rgb: 139, 182, 157;
    --theme-cream: #f2e6c5;
    --theme-cream-rgb: 242, 230, 197;
    --theme-charcoal: #1a1a1a;
    --theme-charcoal-rgb: 26, 26, 26;
    --theme-display-font: 'Rye', Georgia, serif;
    --theme-ui-font: 'Roboto Condensed', 'Arial Narrow', sans-serif;
    --theme-body-font: 'Bitter', Georgia, serif;
    --theme-radius: 2px;
    --text-primary: var(--text-color);
    --text-secondary: var(--text-muted);
    --muted-color: var(--text-muted);
    --border-color: var(--input-border);
    --bg-darkest: var(--input-bg);
    --bg-darker: var(--button-bg);
    color-scheme: light;
}

/*
 * Accessible — WCAG 2.1 Level AA high-contrast light theme.
 * Contrast pairs verified at 4.5:1+ for normal text and 3:1+ for UI borders.
 * See docs/THEMES.md and themes-atmosphere.css (body.theme-accessible).
 */
body.theme-accessible {
    --main-bg-color: #ffffff;
    --secondary-bg: #ffffff;
    --nav-bg: #f5f5f5;
    --utility-tab-bg: #eeeeee;
    --text-color: #000000;
    --text-muted: #595959;
    --text-on-accent: #ffffff;
    --text-on-category: #ffffff;
    --placeholder-color: #595959;
    --accent-color: #004080;
    --accent-color-rgb: 0, 64, 128;
    --accent-hover: #002d5c;
    --accent-tint: rgba(0, 64, 128, 0.1);
    --accent-tint-hover: rgba(0, 64, 128, 0.14);
    --accent-tint-strong: rgba(0, 64, 128, 0.2);
    --accent-tint-subtle: rgba(0, 64, 128, 0.06);
    --surface-hover: rgba(0, 0, 0, 0.06);
    --success-color: #006400;
    --status-success: #006400;
    --error-text: #cc0000;
    --error-bg: rgba(204, 0, 0, 0.08);
    --error-border: #cc0000;
    --error-text-soft: #990000;
    --destructive-color: #cc0000;
    --destructive-hover: #990000;
    --action-copy-color: #004080;
    --action-copy-hover: #002d5c;
    --action-download-color: #006400;
    --action-download-hover: #004d00;
    --status-banner-bg: rgba(0, 100, 0, 0.1);
    --status-banner-border: #006400;
    --status-banner-text: #004d00;
    --favorite-color: #6d4c00;
    --favorite-color-rgb: 109, 76, 0;
    --preview-active-bg: rgba(255, 255, 255, 0.25);
    --preview-active-text: #ffffff;
    --preview-active-border: rgba(255, 255, 255, 0.5);
    --tooltip-bg: #000000;
    --tooltip-text: #ffffff;
    --button-bg: #f0f0f0;
    --button-hover-bg: #e0e0e0;
    --button-active-bg: #004080;
    --input-bg: #ffffff;
    --input-border: #555555;
    --section-divider: #555555;
    --focus-shadow: 0 0 0 3px #004080;
    --panel-shadow-soft: none;
    --sidebar-edge-shadow: none;
    --shell-bg: #ffffff;
    --surface-overlay: rgba(0, 0, 0, 0.06);
    --surface-overlay-strong: rgba(0, 0, 0, 0.1);
    --surface-border-subtle: rgba(0, 0, 0, 0.2);
    --backdrop-scrim: rgba(0, 0, 0, 0.65);
    --fab-shadow: none;
    --glitch-color: #000000;
    --glitch-color-rgb: 0, 0, 0;
    --switch-border: #004080;
    --switch-surface-glow: transparent;
    --switch-track-bg: #ffffff;
    --switch-track-border: #004080;
    --switch-track-checked-bg: #004080;
    --switch-track-checked-glow: transparent;
    --switch-thumb-bg: #ffffff;
    --switch-thumb-glow: transparent;
    --switch-thumb-checked-bg: #ffffff;
    --switch-thumb-checked-glow: transparent;
    --theme-display-font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --theme-ui-font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --theme-mono-font: Consolas, 'Courier New', monospace;
    --theme-radius: 2px;
    --focus-ring-color: #004080;
    --focus-ring-offset: 2px;
    /* WCAG AA category fills (white label text on active cards) */
    --case-color: #303f9f;
    --case-color-rgb: 48, 63, 159;
    --cipher-color: #00695c;
    --cipher-color-rgb: 0, 105, 92;
    --concealment-color: #33691e;
    --concealment-color-rgb: 51, 105, 30;
    --encoding-color: #4527a0;
    --encoding-color-rgb: 69, 39, 160;
    --format-color: #bf360c;
    --format-color-rgb: 191, 54, 12;
    --signwriting-color: #4e342e;
    --signwriting-color-rgb: 78, 52, 46;
    --special-color: #2e7d32;
    --special-color-rgb: 46, 125, 50;
    --symbol-color: #6d4c00;
    --symbol-color-rgb: 109, 76, 0;
    --technical-color: #00838f;
    --technical-color-rgb: 0, 131, 143;
    --unicode-color: #1565c0;
    --unicode-color-rgb: 21, 101, 192;
    --visual-color: #c62828;
    --visual-color-rgb: 198, 40, 40;
    --randomizer-color: #ad1457;
    --randomizer-color-rgb: 173, 20, 87;
    --randomizer-button-bg: var(--button-bg);
    --randomizer-button-text: var(--text-color);
    --randomizer-button-border: var(--input-border);
    --randomizer-button-preview-bg: var(--input-bg);
    --randomizer-button-preview-text: var(--text-color);
    --randomizer-button-preview-border: var(--input-border);
    --randomizer-button-active-bg: var(--randomizer-color);
    --randomizer-button-active-text: #ffffff;
    --randomizer-button-active-preview-bg: rgba(0, 0, 0, 0.28);
    --randomizer-button-active-preview-text: rgba(255, 255, 255, 0.96);
    --randomizer-button-active-preview-border: rgba(255, 255, 255, 0.35);
    --custom-spelling-color: #bf360c;
    --custom-spelling-color-rgb: 191, 54, 12;
    --translate-color: #4527a0;
    --translate-color-rgb: 69, 39, 160;
    --text-primary: var(--text-color);
    --text-secondary: var(--text-muted);
    --muted-color: var(--text-muted);
    --border-color: var(--input-border);
    --bg-darkest: var(--input-bg);
    --bg-darker: var(--button-bg);
    color-scheme: light;
}

body.theme-light .app-logo h1,
body.light-theme .app-logo h1 {
    text-shadow: 0 0 4px rgba(var(--glitch-color-rgb), 0.35), 0 0 8px rgba(var(--glitch-color-rgb), 0.25);
    border-color: rgba(var(--glitch-color-rgb), 0.35);
    background: rgba(var(--glitch-color-rgb), 0.06);
}

body.theme-light .app-nav .tab-buttons button.active,
body.light-theme .app-nav .tab-buttons button.active {
    color: var(--accent-color);
}

body.theme-accessible .app-nav .tab-buttons button.active,
body.theme-accessible .utility-tab-btn.active {
    color: var(--accent-color);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.app-main,
.app-utility,
.utility-panel-body,
.tab-content,
.input-section,
.output-section,
.decode-section {
    color: var(--text-color);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-color);
}

small, .hint, .help-text {
    color: var(--text-muted);
}

a {
    color: var(--accent-color);
}

a:hover {
    color: var(--accent-hover);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--shell-bg);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    padding: 0;
    margin: 0;
    min-height: 100vh;
    height: 100vh;
    overflow: hidden;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "liga" 1, "calt" 1; /* Enable ligatures */
}

/* ========================================
   STANDARD UI COMPONENT TEMPLATES
   
   Reusable components for consistent design
   across the entire application.
   ======================================== */

/* Section Header with Icon and Description
   Usage:
   <div class="section-header-card">
     <div class="section-header-card-title">
       <i class="fas fa-icon"></i>
       <h3>Title Here</h3>
     </div>
     <p class="section-header-card-description">
       Description text that explains what this section does.
     </p>
   </div>
*/
.section-header-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 12px 16px;
    background: var(--secondary-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    margin-bottom: 16px;
}

.section-header-card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: fit-content;
    flex-shrink: 0;
}

.section-header-card-title i {
    font-size: 1.3rem;
    color: var(--accent-color);
}

.section-header-card-title h3,
.section-header-card-title h4 {
    margin: 0;
    color: var(--accent-color);
    font-size: 1.1rem;
    white-space: nowrap;
}

.section-header-card-description {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    padding-top: 2px;
}

/* Responsive stacking for section header cards */

/* Icon + Title Inline (simpler variant)
   Usage:
   <div class="title-with-icon">
     <i class="fas fa-icon"></i>
     <h3>Title</h3>
     <small>optional subtitle</small>
   </div>
*/
.title-with-icon {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.title-with-icon i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.title-with-icon h3,
.title-with-icon h4 {
    margin: 0;
    color: var(--accent-color);
}

.title-with-icon small {
    font-size: 0.75em;
    font-weight: normal;
    color: var(--text-muted);
    background-color: var(--accent-tint);
    padding: 2px 8px;
    border-radius: 4px;
}

/* Info Box - For disclaimers, tips, warnings
   Usage:
   <div class="info-box">
     <i class="fas fa-info-circle"></i>
     <span>Your message here</span>
   </div>
   
   Add class modifiers: .info-box-warning, .info-box-success, .info-box-danger
*/
.info-box {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--input-border);
    background: var(--accent-tint);
    border-left: 3px solid var(--accent-color);
    border-radius: 6px;
    margin: 12px 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.info-box i {
    color: var(--accent-color);
    margin-top: 2px;
    flex-shrink: 0;
}

.info-box-warning {
    background: rgba(255, 183, 77, 0.1);
    border-left-color: var(--format-color);
}

.info-box-warning i {
    color: var(--format-color);
}

.info-box-success {
    background: rgba(102, 187, 106, 0.1);
    border-left-color: var(--special-color);
}

.info-box-success i {
    color: var(--special-color);
}

.info-box-danger {
    background: rgba(239, 83, 80, 0.1);
    border-left-color: var(--visual-color);
}

.info-box-danger i {
    color: var(--visual-color);
}

/* Card Container - Standard content card
   Usage:
   <div class="card">
     <div class="card-header">
       <h4>Card Title</h4>
       <button>Action</button>
     </div>
     <div class="card-body">
       Content goes here
     </div>
     <div class="card-footer">
       Footer content (optional)
     </div>
   </div>
*/
.card {
    background: var(--main-bg-color);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 16px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--input-border);
    background: var(--secondary-bg);
}

.card-header h3,
.card-header h4 {
    margin: 0;
    color: var(--accent-color);
    font-size: 1rem;
}

.card-body {
    padding: 16px;
}

.card-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--input-border);
    background: var(--secondary-bg);
}

/* Button Group - Standard action buttons
   Usage:
   <div class="button-group">
     <button class="btn">Primary Action</button>
     <button class="btn btn-secondary">Secondary</button>
   </div>
*/
.button-group {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.button-group .btn {
    flex: 0 1 auto;
}

/* Spacing utilities (tool templates) */
.u-mb-8 { margin-bottom: 8px; }
.u-mb-16 { margin-bottom: 16px; }
.u-mt-16 { margin-top: 16px; }

/* Textarea + absolutely positioned .copy-button */
.textarea-copy-wrap {
    position: relative;
}

/* Tokenizer token grid */
.token-tiles.tokenizer-tiles {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.token-chip.token-chip--tokenizer {
    background: var(--button-bg);
    border: 1px solid var(--input-border);
    padding: 6px 8px;
    border-radius: 6px;
    font-family: 'Fira Code', monospace;
}

.token-chip__idx {
    opacity: 0.75;
    margin-right: 6px;
}

.token-chip__id {
    opacity: 0.6;
    margin-left: 6px;
}

/* Fuzzer case list */
.fuzzer-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.fuzzer-case-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.fuzzer-case-index {
    opacity: 0.7;
    min-width: 32px;
}

.fuzzer-case-textarea {
    flex: 1;
    min-height: 46px;
}

/* Transform picker dropdown (Splitter, Decoder, etc.) */
select.transform-select {
    width: auto;
    max-width: min(100%, 320px);
    min-width: min(200px, 100%);
}

/* Decoder: method select beside label (override full-width select defaults) */
select.decoder-method-select {
    margin-left: 15px;
    padding: 5px 10px;
    border-radius: 6px;
}

/* Tokenade text payload block label */
.tokenade-field-label {
    display: block;
    width: 100%;
    margin-bottom: 15px;
}

.tokenade-field-label input[type="text"] {
    width: 100%;
}


/* Button variants */
.btn-secondary {
    background: transparent;
    border: 1px solid var(--input-border);
}

.btn-secondary:hover {
    background: var(--button-bg);
}

.btn-primary {
    background: var(--accent-color);
    color: var(--text-on-accent);
    border-color: var(--accent-color);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

/* ========================================
   STANDARD FORM INPUT STYLES
   
   These base styles apply to ALL form inputs
   across the entire application. Only add
   specific overrides when truly needed.
   
   Benefits:
   - Consistent styling everywhere
   - Easy to maintain and test
   - No need to chase down individual inputs
   - Responsive by default
   ======================================== */

/* Standard text input, number input, and select styles */
input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"] {
    width: 100%;
    max-width: 100%;
    min-width: 0; /* Allow shrinking below content width */
    padding: 8px 10px;
    background: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.9rem;
    line-height: 1.4;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

select {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 8px 28px 8px 10px;
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.9rem;
    line-height: 1.4;
    transition: all 0.2s ease;
    box-sizing: border-box;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    appearance: none;
    -webkit-appearance: none;
    background-repeat: no-repeat;
    background-position: right 8px center;
}

body.theme-dark select,
body.dark-theme select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23e0e0e0' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

body.theme-light select,
body.light-theme select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235c6573' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

/* Option elements inherit text color */
select option {
    background: var(--input-bg);
    color: var(--text-color);
    padding: 4px 8px;
}

/* Safety net: Ensure ALL form controls respect container width */
input, select, textarea, button {
    max-width: 100%;
    box-sizing: border-box;
}

/* Focus states for all inputs */
input[type="text"]:focus,
input[type="number"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--focus-shadow);
}

input[type="text"]::placeholder,
input[type="number"]::placeholder,
input[type="email"]::placeholder,
input[type="password"]::placeholder,
textarea::placeholder {
    color: var(--placeholder-color);
}

/* Disabled state */
input[type="text"]:disabled,
input[type="number"]:disabled,
input[type="email"]:disabled,
input[type="password"]:disabled,
select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Standard textarea styles */
textarea {
    width: 100%;
    max-width: 100%;
    padding: 12px;
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    font-family: 'Fira Code', 'Courier New', monospace;
    resize: vertical;
    min-height: 100px;
    line-height: 1.4;
    font-size: 14px;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--focus-shadow);
}

/* Standard button styles */
button,
.btn {
    padding: 8px 16px;
    background: var(--button-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-sizing: border-box;
    white-space: nowrap;
}

button:hover,
.btn:hover {
    background: var(--button-hover-bg);
    border-color: var(--accent-color);
}

button:active,
.btn:active {
    transform: translateY(1px);
}

button:focus-visible,
.btn:focus-visible {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--focus-shadow);
}

button:disabled,
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Standard label styles */
label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 500;
    box-sizing: border-box;
    word-wrap: break-word;
}

label small {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: normal;
    margin-top: -2px;
}

.container,
.app-root {
    width: 100%;
    height: 100vh;
    max-width: none;
    margin: 0;
    padding: 0;
    background-color: var(--shell-bg);
    border-radius: 0;
    box-shadow: none;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.app-topbar,
header.app-topbar {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    gap: 8px;
    min-height: var(--topbar-height);
    height: auto;
    margin-bottom: 0;
    padding: 0 12px;
    border-bottom: 1px solid var(--input-border);
    background: var(--secondary-bg);
}

.app-topbar .app-logo,
.app-topbar .logo {
    min-width: 0;
    flex: 0 1 auto;
    overflow: hidden;
}

.app-logo h1,
.app-topbar .logo h1 {
    display: inline-block;
    width: fit-content;
    max-width: 100%;
    font-size: clamp(0.68rem, 2.8vw, 0.95rem);
    letter-spacing: 1.5px;
    padding: 6px 8px;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    animation: none;
    text-shadow: 0 0 4px var(--glitch-color), 0 0 8px rgba(var(--glitch-color-rgb), 0.5);
    box-sizing: border-box;
}

.app-logo::before,
.app-logo::after,
.app-logo h1::before,
.app-logo h1::after,
.app-topbar .logo::before,
.app-topbar .logo::after,
.app-topbar .logo h1::before,
.app-topbar .logo h1::after {
    display: none !important;
    content: none !important;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.topbar-utility-btn {
    display: none;
    background: var(--button-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    padding: 8px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    font-size: 1rem;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.topbar-utility-btn:hover {
    background: var(--button-hover-bg);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.topbar-utility-btn[aria-expanded="true"] {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(var(--accent-color-rgb), 0.1);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.settings-theme-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 0;
}

.settings-theme-select {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-color);
    padding: 8px 28px 8px 10px;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    background-color: var(--input-bg);
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
    min-height: 38px;
    width: 100%;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}

.settings-theme-select:hover,
.settings-theme-select:focus {
    color: var(--text-color);
    border-color: var(--accent-color);
    background-color: var(--button-hover-bg);
    outline: none;
    box-shadow: var(--focus-shadow);
}

body.theme-light .settings-theme-select,
body.light-theme .settings-theme-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235c6573' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

@media (max-width: 768px) {
    body.theme-cyberpunk .app-topbar .logo h1,
    body.theme-pliny .app-topbar .logo h1,
    body.theme-bt6 .app-topbar .logo h1 {
        letter-spacing: 0.06em;
        font-size: clamp(0.62rem, 3.2vw, 0.75rem);
        padding: 4px 6px;
    }
}

@media (max-width: 480px) {
    body.theme-cyberpunk .app-topbar .logo h1 {
        letter-spacing: 0.04em;
        font-size: 0.62rem;
    }

    body.theme-wildwest .app-topbar .logo h1 {
        font-size: 0.72rem;
    }
}

.app-shell {
    flex: 1;
    display: grid;
    grid-template-columns: var(--nav-width) minmax(0, 1fr) var(--utility-width);
    min-height: 0;
    overflow: hidden;
}

.app-nav {
    background: var(--nav-bg);
    border-right: 1px solid var(--input-border);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px 6px;
}

.app-main {
    overflow-y: auto;
    overflow-x: hidden;
    min-width: 0;
    padding: 16px 20px 24px;
    background: var(--main-bg-color);
}

.tool-content-container {
    max-width: 1100px;
}

.app-utility {
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: var(--secondary-bg);
    border-left: 1px solid var(--input-border);
    overflow: hidden;
    container-type: inline-size;
}

.utility-tab-bar {
    display: flex;
    flex-wrap: nowrap;
    gap: 0;
    border-bottom: 1px solid var(--input-border);
    background: var(--utility-tab-bg);
    flex-shrink: 0;
    overflow: hidden;
}

.utility-tab-btn {
    flex: 1 1 0;
    min-width: 0;
    border: none;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: var(--text-muted);
    font-size: clamp(0.52rem, 2.4cqi, 0.68rem);
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: none;
    padding: 10px 4px;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
    white-space: normal;
    line-height: 1.15;
    text-align: center;
    overflow-wrap: anywhere;
    touch-action: manipulation;
}

.utility-tab-btn:hover {
    color: var(--text-color);
    background: var(--surface-hover);
}

.utility-tab-btn.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    background: rgba(var(--accent-color-rgb), 0.08);
}

.utility-backdrop {
    display: none;
    position: fixed;
    inset: var(--topbar-height) 0 0 0;
    z-index: 110;
    background: var(--backdrop-scrim);
}

.utility-panels {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.utility-panel {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.utility-panel-toolbar {
    display: flex;
    justify-content: flex-end;
    padding: 8px 12px 0;
    flex-shrink: 0;
}

.utility-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    min-height: 0;
}

.utility-panel-body.copy-history-content,
.utility-panel-body.glitch-token-content,
.utility-panel-body.end-sequence-content,
.utility-panel-body.unicode-panel-content {
    padding: 12px;
}

header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 10px;
}

.logo {
    text-align: left;
}

.logo h1 {
    display: inline-block;
    width: fit-content;
    max-width: 100%;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--glitch-color);
    text-shadow: 0 0 5px var(--glitch-color), 0 0 10px rgba(var(--glitch-color-rgb), 0.8);
    background: rgba(var(--glitch-color-rgb), 0.12);
    padding: var(--spacing-sm);
    border: 1px solid rgba(var(--glitch-color-rgb), 0.3);
    position: relative;
    overflow: hidden;
    animation: glitch 3s infinite;
    box-sizing: border-box;
}

/* Glitch animation */
@keyframes glitch {
    0% {
        text-shadow: 0 0 5px #00ff00, 0 0 10px rgba(0, 255, 0, 0.8);
        transform: translateX(0);
    }
    5% {
        text-shadow: -2px 0 #ff00ff, 2px 0 #00ffff;
        transform: translateX(2px);
    }
    10% {
        text-shadow: 2px 0 #ff00ff, -2px 0 #00ffff;
        transform: translateX(-2px);
    }
    15% {
        text-shadow: 0 0 5px #00ff00, 0 0 10px rgba(0, 255, 0, 0.8);
        transform: translateX(0);
    }
    85% {
        text-shadow: 0 0 5px #00ff00, 0 0 10px rgba(0, 255, 0, 0.8);
        transform: translateX(0);
    }
    90% {
        text-shadow: 1px 0 #ff00ff, -1px 0 #00ffff;
        transform: translateX(1px);
    }
    95% {
        text-shadow: -1px 0 #ff00ff, 1px 0 #00ffff;
        transform: translateX(-1px);
    }
    100% {
        text-shadow: 0 0 5px #00ff00, 0 0 10px rgba(0, 255, 0, 0.8);
        transform: translateX(0);
    }
}

/* Logo scanline pseudo disabled — see .app-logo h1::before rule above */
.logo h1::before {
    display: none;
    content: none;
}

.theme-toggle {
    margin-left: 20px;
}

.theme-button {
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    padding: 8px;
    cursor: pointer;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.theme-button:hover {
    background: var(--button-bg);
    transform: rotate(15deg);
}

h1, h2, h3, h4, h5 {
    font-family: 'Courier New', monospace;
    color: var(--text-color);
    margin-bottom: 15px;
}

/* Tabs styling — vertical nav in desktop shell */
.tabs {
    margin-top: 0;
}

.app-nav .tab-buttons {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
    margin-bottom: 0;
}

.app-nav .tab-buttons button {
    width: 100%;
    justify-content: flex-start;
    border-radius: 6px;
    border: none;
    border-left: 3px solid transparent;
    padding: 10px 12px;
    font-size: 0.82rem;
    background: transparent;
}

.app-nav .tab-buttons button i {
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}

.app-nav .tab-buttons button .nav-label {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.app-nav .tab-buttons button.active {
    background: rgba(var(--accent-color-rgb), 0.15);
    color: var(--accent-color);
    border-left-color: var(--accent-color);
    font-weight: 600;
}

.app-nav .tab-buttons button:hover:not(.active) {
    background: var(--surface-hover);
    border-color: transparent;
    color: var(--text-color);
}

.tab-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.tab-buttons button {
    background-color: var(--button-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.tab-buttons button i {
    font-size: 14px;
}

.tab-buttons button.active {
    background-color: var(--accent-color);
    color: var(--text-on-accent);
    border-color: var(--accent-color);
    font-weight: 500;
}

.tab-buttons button:hover:not(.active) {
    background-color: var(--button-hover-bg);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Mobile-only: compact tool picker (tab bar hidden ≤768px) */
.tab-tool-select {
    display: none;
    margin-bottom: 16px;
}

.tab-tool-select label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.mobile-tool-dropdown {
    width: 100%;
    min-height: 44px;
    padding: 10px 36px 10px 12px;
    font-size: 0.95rem;
    border-radius: 6px;
    border: 1px solid var(--input-border);
    background-color: var(--input-bg);
    color: var(--text-color);
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

body.dark-theme .mobile-tool-dropdown,
body.theme-dark .mobile-tool-dropdown {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23b0b0b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

body.light-theme .mobile-tool-dropdown,
body.theme-light .mobile-tool-dropdown {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235c6573' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

.transform-button.active {
    background-color: var(--accent-color);
    color: var(--text-on-accent);
    border-color: var(--accent-color);
}

.transform-button:hover:not(.active) {
    background-color: var(--button-hover-bg);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.tab-content {
    padding: 20px 0;
}

/* Input and output sections */
.input-section,
.output-section,
.decode-section {
    background: var(--main-bg-color);
    border-radius: 4px;
    padding: 16px;
    margin-bottom: 16px;
}

.input-container,
.output-container {
    position: relative;
}
.fuzzer-list .fuzzer-case-row { position: relative; }
.fuzzer-list .fuzzer-case-row .copy-button { position: static; }

.section-header {
    margin-bottom: 15px;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.section-title h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    margin: 0;
}

.section-title small {
    font-size: 0.85em;
    font-weight: normal;
    color: var(--text-muted);
    background-color: var(--accent-tint);
    padding: 4px 10px;
    border-radius: 4px;
}

.section-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
}

.section-header h3 small {
    font-size: 0.7em;
    font-weight: normal;
    color: var(--text-muted);
    background-color: var(--accent-tint);
    padding: 2px 8px;
    border-radius: 12px;
}

.section-header p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9em;
}

.decoded-message {
    margin-top: 8px;
    padding: 12px;
    background: var(--button-bg);
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    position: relative;
}

.decode-method {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--text-muted);
    font-size: 0.9em;
}

.decode-method strong {
    color: var(--accent-color);
}

.decode-priority {
    font-size: 0.8em;
    background-color: rgba(var(--accent-color-rgb), 0.1);
    padding: 2px 8px;
    border-radius: 12px;
    color: var(--accent-color);
}

.decode-result {
    margin-bottom: 12px;
    word-break: break-all;
    white-space: pre-wrap;
    line-height: 1.5;
}

.decode-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.use-as-input-button {
    background-color: rgba(var(--accent-color-rgb), 0.1);
    color: var(--accent-color);
    border: none;
    border-radius: 4px;
    padding: 5px 10px;
    font-size: 0.8em;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s ease;
}

.use-as-input-button:hover {
    background-color: rgba(var(--accent-color-rgb), 0.2);
}

/* Special styling for encoded message textarea - only overrides */
.output-section textarea {
    background-color: var(--secondary-bg);
    color: var(--accent-color);
    border: 1px solid rgba(100, 181, 246, 0.3);
    letter-spacing: 0.5px;
    line-height: 1.5;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
    padding: 14px;
    font-weight: 500;
}

/* Emoji Library Styling */
.emoji-library {
    margin: 12px 0;
    background-color: var(--main-bg-color);
    border-radius: 6px;
    padding: 12px;
    border: 1px solid var(--input-border);
    box-shadow: none;
}

.emoji-library-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--input-border);
    padding: 10px 12px;
    background: var(--secondary-bg);
    border-radius: 6px 6px 0 0;
    box-shadow: none;
    position: relative;
    overflow: hidden;
}

.emoji-library-header:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-color);
}

.emoji-library-title {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.emoji-library-title h3 {
    margin: 0;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.emoji-library-title h3 i {
    color: var(--special-color);
}

.emoji-library-title i {
    margin-right: 8px;
    color: var(--accent-color);
}

.emoji-library-subtitle {
    font-size: 0.8rem;
    font-weight: normal;
    color: var(--text-color);
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    background-color: var(--surface-overlay);
    border-radius: 4px;
    max-width: fit-content;
}

.emoji-library-subtitle i {
    color: var(--encoding-color);
}

.emoji-search {
    position: relative;
    width: 220px;
}

/* Emoji search input - only unique override for icon padding */
.emoji-search input {
    padding-left: 32px; /* Space for search icon */
}

.emoji-search i {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-color);
    opacity: 0.5;
}

.emoji-library {
    display: block !important;
    margin-top: 24px;
    margin-bottom: 24px;
    border-radius: 10px;
    background-color: var(--secondary-bg);
    padding: 0;
    box-shadow: none;
    position: relative;
    overflow: hidden;
}

.emoji-library:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-color);
    z-index: 1;
}

.emoji-grid-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    border-radius: 0;
    background-color: transparent;
    padding: 0;
    margin: 0;
    border: none;
}

.emoji-grid-note {
    background: rgba(102, 187, 106, 0.05);
    padding: 10px 15px;
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-left: 2px solid var(--special-color);
    box-shadow: none !important;
    max-width: 500px;
    width: 100%;
    border-bottom: none !important;
    border-top: none !important;
    border-right: none !important;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.emoji-header {
    padding: 15px 20px;
    margin-bottom: 15px;
    text-align: center;
    border-bottom: 1px solid var(--input-border);
    background: rgba(66, 165, 245, 0.03);
}

.emoji-header h3 {
    font-size: 1.3rem;
    margin: 0 0 8px 0;
    color: var(--text-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.emoji-header h3 i {
    color: var(--special-color);
    font-size: 1.2rem;
}

.emoji-subtitle {
    font-size: 0.85rem;
    color: var(--text-color);
    opacity: 0.85;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.emoji-grid-note i, .emoji-subtitle i {
    color: var(--special-color);
    font-size: 0.9rem;
    opacity: 0.9;
}

.emoji-count {
    font-size: 0.75rem;
    color: var(--text-color);
    text-align: center;
    padding: 4px 8px;
    margin-top: 8px;
    border-radius: 12px;
    background: rgba(66, 165, 245, 0.05);
    display: inline-block;
    margin-left: auto;
    margin-right: auto;
    font-weight: 500;
    box-shadow: none;
    border: 1px solid rgba(66, 165, 245, 0.15);
    opacity: 0.9;
}

/* Emoji grid with increased specificity to avoid !important */
.emoji-library .emoji-grid,
#emoji-grid-container .emoji-grid,
.emoji-grid-container .emoji-grid,
.emoji-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
    grid-auto-rows: 42px;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: 6px;
    border: 1px solid var(--input-border);
    background-color: var(--secondary-bg);
    box-shadow: none;
    transition: all 0.2s ease;
    margin-bottom: 10px;
    width: 100%;
    max-height: none;
    overflow: visible;
    max-width: 100%;
    font-family: 'Segoe UI Emoji', 'Segoe UI Symbol', 'Apple Color Emoji',
                'Noto Color Emoji', 'Android Emoji', 'EmojiOne Color',
                'Twemoji Mozilla', sans-serif;
    /* Improve emoji rendering */
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

.emoji-category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
    width: 100%;
    justify-content: center;
}

.emoji-category-tab {
    padding: 6px 12px;
    background: var(--button-bg);
    border: 1px solid var(--input-border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: max-content; /* Fit content but allow wrapping */
    white-space: nowrap;
    flex-shrink: 1; /* Allow shrinking if needed */
}

.emoji-category-tab.active,
.emoji-category-tab:hover {
    background: var(--accent-color);
    color: var(--text-on-accent);
}

/* Emoji grid container with increased specificity */
.emoji-library #emoji-grid-container,
.emoji-library .emoji-grid-container,
#emoji-grid-container,
.emoji-grid-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    background-color: transparent;
    padding: 0;
    margin: 0;
    border: none;
    box-shadow: none;
    overflow: visible;
    min-height: 0;
    max-width: 100%;
    border-bottom: none;
    border-top: none;
}

.emoji-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 1.5rem;
    background-color: var(--button-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
    position: relative;
    overflow: hidden;
    line-height: 1;
}

.emoji-button:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-color);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.emoji-button:hover {
    background-color: var(--button-hover-bg);
    border-color: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.emoji-button:hover:before {
    opacity: 1;
}

.emoji-button:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    background: var(--button-bg);
    border-color: var(--accent-color);
    transform: scale(0.98);
}

/* Emoji Library Footer */
.emoji-library-footer {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--input-border);
}

.selected-emoji-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.selected-emoji {
    font-size: 1.5rem;
    padding: 4px 8px;
    background-color: var(--secondary-bg);
    border-radius: 6px;
    border: 1px solid var(--input-border);
}

.selected-emoji-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

.emoji-button.selected {
    background-color: var(--accent-color);
    color: var(--text-on-accent);
    border-color: var(--accent-color);
}

.emoji-category-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.emoji-category-tab {
    padding: 6px 12px;
    background-color: var(--button-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 0.8rem;
    cursor: pointer;
    white-space: nowrap;
}

.emoji-category-tab.active {
    background-color: var(--accent-color);
    color: var(--text-on-accent);
    border-color: var(--accent-color);
}

/* Button focus and active states handled in standard styles above */

/* Invisible Text Button */
.invisible-button {
    width: 100%;
    margin-top: 12px;
    padding: 12px;
    background-color: var(--secondary-bg);
    border: 2px dashed var(--accent-color);
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    position: relative;
}

.invisible-button .carrier-content {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.invisible-button .carrier-emoji {
    font-size: 1.5rem;
    margin-right: 12px;
}

.invisible-button:hover {
    background-color: rgba(var(--accent-color-rgb), 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.invisible-button.active {
    background-color: var(--accent-color);
    color: var(--text-on-accent);
    border-style: solid;
}

/* Base button styles defined in standard form styles above */

/* Emoji grid */


/* Transform layout */
.transform-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 16px;
    position: relative;
}

.transform-section {
    background: var(--main-bg-color);
    border-radius: 8px;
    padding: 16px;
    border: 1px solid var(--input-border);
}

/* Transform filter bar (search + category filters) */
.transform-filter-bar {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 16px;
    padding: 14px 16px;
    border-radius: 10px;
    border: 1px solid var(--input-border);
    background: color-mix(in srgb, var(--button-bg) 65%, var(--main-bg-color));
}

.transform-search-wrap {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    padding: 0 14px;
    min-height: 42px;
    border-radius: 8px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    box-sizing: border-box;
}

.transform-search-icon {
    color: var(--text-color);
    opacity: 0.45;
    flex-shrink: 0;
    font-size: 0.9rem;
}

.transform-search-wrap input[type="search"] {
    flex: 1;
    min-width: 0;
    height: 40px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-color);
    font: inherit;
    font-size: 0.92rem;
    outline: none;
    line-height: 1.4;
}

.transform-search-wrap input[type="search"]::placeholder {
    color: var(--text-color);
    opacity: 0.4;
}

.transform-search-wrap input[type="search"]::-webkit-search-cancel-button {
    -webkit-appearance: none;
}

.transform-filter-clear {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: var(--button-bg);
    color: var(--text-color);
    opacity: 0.7;
    cursor: pointer;
    border-radius: 6px;
    flex-shrink: 0;
}

.transform-filter-clear:hover {
    opacity: 1;
    background: var(--button-hover-bg);
}

.transform-category-filters {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.transform-filter-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-color);
    opacity: 0.5;
}

.transform-category-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.category-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 0.8rem;
    font-weight: 500;
    line-height: 1.2;
    border-radius: 999px;
    border: 1px solid var(--input-border);
    background: var(--main-bg-color);
    color: var(--text-color);
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
    text-transform: capitalize;
    box-shadow: none;
}

.category-chip::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--chip-accent, var(--accent-color));
    flex-shrink: 0;
    opacity: 0.9;
}

.category-chip.category-chip-all::before {
    background: var(--accent-color);
}

.category-chip:hover {
    border-color: color-mix(in srgb, var(--chip-accent, var(--accent-color)) 45%, var(--input-border));
    background: var(--button-hover-bg);
}

.category-chip.active-filter {
    background: var(--chip-accent, var(--accent-color));
    border-color: var(--chip-accent, var(--accent-color));
    color: var(--text-on-accent);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

.category-chip.active-filter::before {
    background: var(--text-on-accent);
    opacity: 0.9;
}

.category-chip.transform-category-case { --chip-accent: var(--case-color); }
.category-chip.transform-category-cipher { --chip-accent: var(--cipher-color); }
.category-chip.transform-category-concealment { --chip-accent: var(--concealment-color); }
.category-chip.transform-category-encoding { --chip-accent: var(--encoding-color); }
.category-chip.transform-category-format { --chip-accent: var(--format-color); }
.category-chip.transform-category-signwriting { --chip-accent: var(--signwriting-color); }
.category-chip.transform-category-special { --chip-accent: var(--special-color); }
.category-chip.transform-category-symbol { --chip-accent: var(--symbol-color); }
.category-chip.transform-category-technical { --chip-accent: var(--technical-color); }
.category-chip.transform-category-unicode { --chip-accent: var(--unicode-color); }
.category-chip.transform-category-visual { --chip-accent: var(--visual-color); }
.category-chip.transform-category-randomizer { --chip-accent: var(--randomizer-color); }
.category-chip.transform-category-custom_spelling { --chip-accent: var(--custom-spelling-color); }

.transform-filter-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 16px;
    text-align: center;
    color: var(--text-color);
    opacity: 0.8;
    border: 1px dashed var(--input-border);
    border-radius: 8px;
}

.transform-filter-empty i {
    font-size: 1.25rem;
    opacity: 0.6;
}

/* Legacy alias — category filter chips reuse legend-item styles */
.transform-category-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--input-border);
}

.transform-category-legend > div {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.legend-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    margin-right: 8px;
    opacity: 0.7;
}

.legend-item {
    font-size: 0.8rem;
    padding: 4px 8px;
    border-radius: 4px;
    border-left-width: 4px;
    border-left-style: solid;
    background-color: var(--button-bg);
    transition: all 0.2s ease;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    text-transform: capitalize;
}

.legend-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    background-color: var(--button-hover-bg);
}

.legend-item.active-filter,
.legend-item.active-category {
    background-color: var(--accent-color);
    color: var(--text-on-accent);
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.legend-item.transform-category-case {
    border-left-color: var(--case-color);
}

.legend-item.transform-category-cipher {
    border-left-color: var(--cipher-color);
}

.legend-item.transform-category-concealment {
    border-left-color: var(--concealment-color);
}

.legend-item.transform-category-encoding {
    border-left-color: var(--encoding-color);
}

.legend-item.transform-category-format {
    border-left-color: var(--format-color);
}

.legend-item.transform-category-signwriting {
    border-left-color: var(--signwriting-color);
}

.legend-item.transform-category-special {
    border-left-color: var(--special-color);
}

.legend-item.transform-category-symbol {
    border-left-color: var(--symbol-color);
}

.legend-item.transform-category-technical {
    border-left-color: var(--technical-color);
}

.legend-item.transform-category-unicode {
    border-left-color: var(--unicode-color);
}

.legend-item.transform-category-visual {
    border-left-color: var(--visual-color);
}

.legend-item.transform-category-randomizer {
    border-left-color: var(--randomizer-color);
}

.legend-item.transform-category-custom_spelling {
    border-left-color: var(--custom-spelling-color);
}

.transform-section:focus-within {
    border-color: var(--accent-color);
    box-shadow: var(--focus-shadow);
}

.input-section,
.transform-section,
.output-section {
    background: var(--main-bg-color);
    border-radius: 6px;
    padding: 16px;
}

.transform-section h4 {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
}

.transform-categories {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.transform-category-section {
    background: var(--secondary-bg);
    border-radius: 8px;
    padding: 16px;
    box-shadow: var(--panel-shadow-soft);
    transition: all 0.3s ease;
    position: relative;
    border-left: none;
}

.highlight-section {
    background-color: rgba(var(--accent-color-rgb), 0.1);
    box-shadow: 0 0 12px rgba(var(--accent-color-rgb), 0.3);
    animation: pulse 1s ease-in-out;
}

@keyframes pulse {
    0% { background-color: rgba(var(--accent-color-rgb), 0.1); }
    50% { background-color: rgba(var(--accent-color-rgb), 0.2); }
    100% { background-color: rgba(var(--accent-color-rgb), 0.1); }
}

.category-title {
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--input-border);
    font-size: 1.1rem;
    font-weight: 500;
    padding-left: 8px;
    text-transform: capitalize;
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-order-controls {
    display: flex;
    gap: 4px;
    margin-left: auto;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.category-title:hover .category-order-controls {
    opacity: 1;
}

.category-move-btn {
    background: var(--button-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    padding: 4px 6px;
    cursor: pointer;
    color: var(--text-color);
    font-size: 0.75rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
}

.category-move-btn:hover {
    background: var(--button-hover-bg);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: scale(1.1);
}

.category-move-btn:active {
    transform: scale(0.95);
}

.last-used-section {
    background: rgba(var(--accent-color-rgb), 0.05);
}

.last-used-section .category-title {
    color: var(--accent-color);
    border-left-color: var(--accent-color);
}

.last-used-section .transform-buttons .transform-button-group,
.favorites-section .transform-buttons .transform-button-group {
    min-width: 0;
}

.legend-item {
    position: relative;
}

.category-title.transform-category-case {
    border-left-color: var(--case-color);
}

.category-title.transform-category-cipher {
    border-left-color: var(--cipher-color);
}

.category-title.transform-category-concealment {
    border-left-color: var(--concealment-color);
}

.category-title.transform-category-encoding {
    border-left-color: var(--encoding-color);
}

.category-title.transform-category-format {
    border-left-color: var(--format-color);
}

.category-title.transform-category-signwriting {
    border-left-color: var(--signwriting-color);
}

.category-title.transform-category-special {
    border-left-color: var(--special-color);
}

.category-title.transform-category-symbol {
    border-left-color: var(--symbol-color);
}

.category-title.transform-category-technical {
    border-left-color: var(--technical-color);
}

.category-title.transform-category-unicode {
    border-left-color: var(--unicode-color);
}

.category-title.transform-category-visual {
    border-left-color: var(--visual-color);
}

.category-title.transform-category-randomizer {
    border-left-color: var(--randomizer-color);
}

.category-title.transform-category-custom_spelling {
    border-left-color: var(--custom-spelling-color);
}

.category-title.transform-category-translate {
    border-left-color: var(--translate-color);
    text-transform: none;
    margin-bottom: 10px;
    padding-bottom: 6px;
}

.translate-inline-section {
    padding: 14px 16px;
}

.translate-inline-section .translate-powered-by {
    font-size: 0.65rem;
    font-weight: 400;
    opacity: 0.8;
    margin-left: 6px;
    color: var(--accent-color);
}

.translate-inline-section .pc-error {
    margin-bottom: 8px;
}

.pc-error {
    color: var(--error-text);
    font-size: 0.85rem;
    padding: 8px 10px;
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    border-radius: 4px;
}

.translate-loading {
    font-size: 0.85rem;
    margin-bottom: 8px;
    opacity: 0.9;
}

.translate-model-picker {
    margin-bottom: 10px;
}

/* Shared OpenRouter model dropdown (all AI tools) */
.openrouter-model-picker {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    margin-bottom: 10px;
}

.openrouter-model-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}

.openrouter-model-row {
    display: flex;
    align-items: stretch;
    gap: 8px;
}

.openrouter-model-select,
.translate-model-select {
    flex: 1;
    min-width: 0;
    width: 100%;
    padding: 6px 28px 6px 10px;
    font-size: 0.8rem;
    border-radius: 4px;
    border: 1px solid var(--input-border);
    background-color: var(--input-bg);
    color: var(--text-color);
    box-sizing: border-box;
}

.openrouter-model-refresh {
    flex-shrink: 0;
    width: 36px;
    min-height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    background: var(--button-bg);
    color: var(--text-muted);
    cursor: pointer;
}

.openrouter-model-refresh:hover:not(:disabled) {
    color: var(--accent-color);
    border-color: var(--accent-color);
    background: var(--button-hover-bg);
}

.openrouter-model-refresh:disabled {
    opacity: 0.6;
    cursor: wait;
}

.openrouter-model-hint {
    display: block;
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.35;
}

.openrouter-model-hint-error {
    color: var(--error-text);
}

.openrouter-model-hint-router {
    color: var(--accent-color);
}

.openrouter-models-section {
    margin-bottom: 12px;
}

.openrouter-models-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 8px 0;
    align-items: center;
}

.openrouter-models-search {
    flex: 1 1 160px;
    min-width: 0;
    padding: 6px 10px;
    font-size: 0.8rem;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    background: var(--input-bg);
    color: var(--text-color);
}

.openrouter-models-action {
    padding: 6px 10px;
    font-size: 0.75rem;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    background: var(--button-bg);
    color: var(--text-color);
    cursor: pointer;
}

.openrouter-models-action:hover:not(:disabled) {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.openrouter-models-action:disabled {
    opacity: 0.6;
    cursor: wait;
}

.openrouter-models-summary {
    display: block;
    margin-bottom: 8px;
    font-size: 0.72rem;
    color: var(--text-muted);
}

.openrouter-models-list {
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    background: var(--input-bg);
    padding: 4px;
}

.openrouter-model-toggle-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.78rem;
    color: var(--text-color);
}

.openrouter-model-toggle-row:hover {
    background: var(--surface-hover);
}

.openrouter-model-toggle-row.is-virtual-router {
    background: var(--accent-tint-subtle);
    border: 1px solid var(--accent-tint);
    margin-bottom: 4px;
}

.openrouter-model-toggle-row input[type="checkbox"] {
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--accent-color);
}

.openrouter-model-toggle-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.openrouter-model-toggle-name {
    line-height: 1.3;
}

.openrouter-model-toggle-summary {
    color: var(--text-muted);
    font-size: 0.68rem;
    line-height: 1.35;
}

.translate-subsection {
    margin-bottom: 10px;
}

.translate-subsection:last-child {
    margin-bottom: 0;
}

.translate-subsection-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-color);
    opacity: 0.88;
    margin-bottom: 6px;
}

button.translate-custom-label-btn {
    width: 100%;
    margin: 0 0 6px 0;
    padding: 6px 8px;
    font: inherit;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    text-align: left;
    color: var(--text-color);
    opacity: 0.88;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    box-sizing: border-box;
    transition: background 0.15s ease, border-color 0.15s ease;
}

button.translate-custom-label-btn:hover {
    opacity: 1;
    background: rgba(var(--translate-color-rgb), 0.08);
    border-color: var(--input-border);
}

button.translate-custom-label-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(var(--translate-color-rgb), 0.35);
}

.translate-custom-toggle-end {
    margin-left: auto;
    padding: 2px 8px;
    font-size: 0.75rem;
    border-radius: 4px;
    border: 1px solid var(--input-border);
    background: var(--button-bg);
    color: var(--text-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

button.translate-custom-label-btn:hover .translate-custom-toggle-end {
    background: var(--button-hover-bg);
    border-color: var(--translate-color);
    color: var(--translate-color);
}

.translate-lang-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
}

.translate-lang-card {
    min-width: 0;
}

.translate-lang-btn {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 6px 20px;
    min-height: 58px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--input-border);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
    box-sizing: border-box;
    background: var(--button-bg);
    border-left: 3px solid rgba(var(--translate-color-rgb), 0.45);
}

.translate-lang-btn:hover:not(:disabled) {
    background: var(--button-hover-bg);
    border-left-color: var(--translate-color);
    box-shadow: none;
}

.translate-lang-btn:disabled {
    opacity: 0.55;
    cursor: wait;
}

.translate-lang-exotic {
    background: var(--button-bg);
    border-left-color: rgba(var(--translate-color-rgb), 0.65);
}

.translate-lang-custom {
    position: relative;
    padding-right: 20px;
}

.translate-lang-favorite.favorite-icon {
    right: 6px;
    bottom: 5px;
    font-size: 0.72rem;
}

.translate-custom-flag {
    color: var(--translate-color);
    font-size: 1.1rem;
}

.translate-flag {
    font-size: 1.05rem;
    line-height: 1;
}

.translate-name {
    line-height: 1.2;
    text-align: center;
}

.translate-remove {
    position: absolute;
    top: 2px;
    right: 4px;
    font-size: 1rem;
    line-height: 1;
    opacity: 0.55;
    cursor: pointer;
    padding: 0 2px;
}

.translate-remove:hover {
    opacity: 1;
    color: var(--error-text);
}

.translate-add-form {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
    align-items: center;
}

.translate-add-form input {
    flex: 1;
    min-width: 160px;
    padding: 6px 10px;
    font-size: 0.8rem;
    border-radius: 4px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text-color);
}

.translate-add-btn {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 4px;
    border: 1px solid var(--input-border);
    background: var(--button-bg);
    color: var(--text-color);
    cursor: pointer;
}

.translate-add-btn:hover:not(:disabled) {
    background: var(--button-hover-bg);
    border-color: var(--translate-color);
}

.translate-empty-custom {
    margin-top: 2px;
    opacity: 0.72;
    font-size: 0.8rem;
}

.transform-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(118px, 1fr));
    gap: 8px;
    margin-bottom: 16px;
    width: 100%;
    box-sizing: border-box;
}


.transform-button-group {
    min-width: 0;
    container-type: inline-size;
    container-name: transform-card;
}

/* Under-card actions (Options / Favorite) — visible only in Accessible theme */
.transform-card-actions {
    display: none;
}

#category-randomizer .transform-buttons {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
}

#category-randomizer .transform-buttons .transform-button-group {
    grid-column: 1 / -1;
    width: 100%;
    min-width: 0;
}

#category-randomizer .transform-buttons .transform-button {
    width: 100%;
    min-width: 0;
}

#category-randomizer .transform-buttons .transform-button .transform-preview {
    max-width: none;
}

/* Carrier styling */
.carrier-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}

.carrier-emoji {
    font-size: 1.5rem;
    line-height: 1;
    display: block;
    margin-bottom: 2px;
}

.carrier-name {
    font-size: 0.85rem;
    font-weight: 500;
}

/* Preview styling — scales with card width; wraps long encoded output */
.transform-preview {
    margin-top: auto;
    width: 100%;
    max-width: 100%;
    font-size: clamp(0.55rem, 6.8cqi, 0.84rem);
    font-family: 'Fira Code', monospace;
    padding: 4px 5px;
    background-color: var(--surface-overlay-strong);
    border-radius: 3px;
    white-space: normal;
    word-break: break-all;
    overflow-wrap: anywhere;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-height: 1.25;
    min-height: calc(2 * 1.25em + 8px);
    border: 1px solid var(--surface-border-subtle);
    opacity: 0.85;
    transition: all 0.2s ease;
}

.preview-label {
    color: var(--accent-color);
    opacity: 0.8;
    font-weight: 500;
    display: block;
    margin-bottom: 2px;
}

.preview-ellipsis {
    color: var(--accent-color);
    font-weight: bold;
}

/* Encoded preview styling */
.encoded-preview {
    display: block;
    padding: 6px 8px;
    background-color: var(--surface-overlay-strong);
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    word-break: break-all;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: 0.5px;
    margin-top: 4px;
    color: var(--accent-color);
    border: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 0.85rem;
}

.transform-button kbd {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--surface-overlay-strong);
    border-radius: 3px;
}

/* Slide-out sidebars — one width on desktop; full width on small screens (see 768px media) */
.app-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--sidebar-width);
    max-width: min(100%, 90vw);
    height: 100vh;
    background-color: var(--secondary-bg);
    border-left: 1px solid var(--input-border);
    box-shadow: var(--sidebar-edge-shadow);
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    z-index: 100;
}

.app-sidebar.active {
    transform: translateX(0);
}

/* Advanced settings above other slide-outs when stacked */
.unicode-options-panel {
    z-index: 200;
}

/* Sidebar header + actions (copy history, glitch, end sequences, advanced settings) */
.app-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--input-border);
    background-color: var(--button-bg);
}

.app-sidebar-header h3 {
    font-size: 1.2rem;
    margin: 0;
    color: var(--accent-color);
}

.end-sequence-header h3 {
    color: var(--visual-color);
}

.unicode-panel-header {
    position: relative;
    z-index: 300;
    pointer-events: auto;
    touch-action: manipulation;
}

.unicode-panel-header h3 {
    font-size: 1.2rem;
}

.app-sidebar-header .header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.app-sidebar-header .clear-history-button,
.app-sidebar-header .close-button {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 5px;
    transition: color 0.2s;
}

.app-sidebar-header .clear-history-button:hover,
.app-sidebar-header .close-button:hover {
    color: var(--accent-color);
}

.app-sidebar-header .clear-history-button:hover {
    color: var(--destructive-color);
}

.end-sequence-header .close-button:hover {
    color: var(--destructive-hover);
}

/* Scrollable body */
.app-sidebar-body {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
}

.glitch-token-content,
.end-sequence-content {
    display: flex;
    flex-direction: column;
}

.glitch-token-filters {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--input-border);
}

.filter-group {
    margin-bottom: 12px;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--text-color);
    font-weight: 500;
}

.filter-group select,
.filter-group input {
    width: 100%;
    padding: 8px;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 0.9rem;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.glitch-token-list {
    flex: 1;
    overflow-y: auto;
}

.no-tokens {
    padding: 20px;
    text-align: center;
    color: var(--text-color);
    opacity: 0.7;
}

.token-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.token-card {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    padding: 12px;
    transition: all 0.2s ease;
}

.token-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* End sequences sidebar */
.end-sequence-lede {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.9;
    margin: 0 0 16px;
    line-height: 1.45;
}

.endsequence-category {
    margin-bottom: 20px;
}

.endsequence-category h4 {
    font-size: 0.95rem;
    margin: 0 0 10px;
    color: var(--visual-color);
    border-bottom: 1px solid var(--input-border);
    padding-bottom: 6px;
}

.endsequence-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

button.endsequence-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
    margin: 0;
    padding: 8px 10px;
    text-align: left;
    font: inherit;
    color: inherit;
    cursor: pointer;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

button.endsequence-item:hover {
    background: var(--button-bg);
    border-color: rgba(var(--visual-color-rgb), 0.45);
}

button.endsequence-item:focus {
    outline: none;
}

button.endsequence-item:focus-visible {
    outline: 2px solid var(--visual-color);
    outline-offset: 2px;
}

.endsequence-label {
    flex: 1;
    word-break: break-word;
    white-space: pre-wrap;
    font-size: 0.85rem;
    pointer-events: none;
}

.endsequence-copy-affordance {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: 2px 0 0 4px;
    opacity: 0.55;
    color: var(--visual-color);
    pointer-events: none;
}

button.endsequence-item:hover .endsequence-copy-affordance {
    opacity: 0.95;
}

/* Anti-Classifier tool */
.anticlassifier-section .ac-lede {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 8px 0 0;
    padding-left: 14px;
    line-height: 1.45;
}

.ac-response {
    white-space: pre-wrap;
    word-break: break-word;
    font-family: inherit;
    font-size: 0.9rem;
    margin: 0;
    padding: 12px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    max-height: 60vh;
    overflow-y: auto;
}

.ac-output-wrap {
    margin-top: 16px;
}

.token-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.token-text {
    font-family: 'Fira Code', monospace;
    font-size: 1rem;
    color: var(--text-color);
    word-break: break-all;
    flex: 1;
    margin-right: 10px;
}

.copy-token-button {
    background: var(--button-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--text-color);
    cursor: pointer;
    padding: 6px 10px;
    font-size: 0.9rem;
    transition: all 0.2s;
    flex-shrink: 0;
}

.copy-token-button:hover {
    background-color: var(--accent-color);
    color: var(--text-on-accent);
    border-color: var(--accent-color);
}

.token-card-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.token-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    width: fit-content;
}

.badge-unspeakable {
    background-color: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
    border: 1px solid #ff6b6b;
}

.badge-polysemantic {
    background-color: rgba(255, 193, 7, 0.2);
    color: #ffc107;
    border: 1px solid #ffc107;
}

.badge-glitched_spelling {
    background-color: rgba(156, 39, 176, 0.2);
    color: #9c27b0;
    border: 1px solid #9c27b0;
}

.badge-context_corruptor {
    background-color: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: 1px solid #f44336;
}

.badge-loop_inducer {
    background-color: rgba(255, 0, 0, 0.3);
    color: #ff0000;
    border: 1px solid #ff0000;
    font-weight: 700;
}

.badge-identity_disruptor {
    background-color: rgba(255, 152, 0, 0.2);
    color: #ff9800;
    border: 1px solid #ff9800;
}

.badge-fragment {
    background-color: rgba(158, 158, 158, 0.2);
    color: #9e9e9e;
    border: 1px solid #9e9e9e;
}

.badge-unreachable {
    background-color: rgba(96, 125, 139, 0.2);
    color: #607d8b;
    border: 1px solid #607d8b;
}

.token-id,
.token-origin,
.token-output,
.token-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.token-id {
    font-family: 'Fira Code', monospace;
}

.token-output {
    font-style: italic;
}

.token-note {
    margin-top: 4px;
    padding-top: 6px;
    border-top: 1px solid var(--input-border);
    font-size: 0.8rem;
}

.no-history {
    padding: 20px;
    text-align: center;
    color: var(--text-color);
    opacity: 0.7;
}

.history-items {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.history-item {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-left: 3px solid var(--accent-color);
    border-radius: 4px;
    padding: 10px;
    transition: all 0.2s ease;
}

.history-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.history-item-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.85rem;
}

.history-source {
    font-weight: bold;
    color: var(--accent-color);
}

.history-time {
    color: var(--text-color);
    opacity: 0.7;
}

.history-content {
    background-color: var(--main-bg-color);
    padding: 10px;
    border-radius: 4px;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 150px;
    overflow-y: auto;
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--text-color);
}

.history-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 8px;
}

.copy-again-button,
.remove-history-button {
    background-color: var(--button-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    padding: 5px 10px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-again-button:hover {
    background-color: var(--button-hover-bg);
    color: var(--accent-color);
}

.remove-history-button:hover {
    background-color: var(--destructive-color);
    border-color: var(--destructive-color);
    color: var(--text-on-accent);
}

.history-button {
    background: none;
    color: var(--text-color);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-right: 8px;
    transition: all 0.2s ease;
}

.history-button:hover {
    background-color: var(--button-hover-bg);
    color: var(--accent-color);
}



.transform-name {
    font-weight: 500;
    color: var(--text-color);
}

.transform-category-case .transform-preview {
    color: rgba(var(--case-color-rgb), 0.9);
}

.transform-category-cipher .transform-preview {
    color: rgba(var(--cipher-color-rgb), 0.9);
}

.transform-category-concealment .transform-preview {
    color: rgba(var(--concealment-color-rgb), 0.9);
}

.transform-category-encoding .transform-preview {
    color: rgba(var(--encoding-color-rgb), 0.9);
}

.transform-category-format .transform-preview {
    color: rgba(var(--format-color-rgb), 0.9);
}

.transform-category-signwriting .transform-preview {
    color: rgba(var(--signwriting-color-rgb), 0.9);
    font-family: 'Noto Sans SignWriting', 'Fira Code', monospace;
    line-height: 1.6;
    letter-spacing: 0.05em;
    -webkit-line-clamp: 2;
    font-size: clamp(0.48rem, 5.8cqi, 0.68rem);
}

.transform-category-special .transform-preview {
    color: rgba(var(--special-color-rgb), 0.9);
}

.transform-category-symbol .transform-preview {
    color: rgba(var(--symbol-color-rgb), 0.9);
}

.transform-category-technical .transform-preview {
    color: rgba(var(--technical-color-rgb), 0.9);
}

.transform-category-unicode .transform-preview {
    color: rgba(var(--unicode-color-rgb), 0.9);
}

.transform-category-visual .transform-preview {
    color: rgba(var(--visual-color-rgb), 0.9);
}

.transform-category-randomizer .transform-preview {
    color: rgba(var(--randomizer-color-rgb), 0.95);
    text-shadow: 0 0 8px rgba(var(--randomizer-color-rgb), 0.35);
}

.transform-category-custom_spelling .transform-preview {
    color: rgba(var(--custom-spelling-color-rgb), 0.9);
}

.transform-category-translate .transform-preview {
    color: rgba(var(--translate-color-rgb), 0.9);
}

.output-container.signwriting-output textarea {
    font-family: 'Noto Sans SignWriting', 'Fira Code', 'Courier New', monospace;
    line-height: 2;
    letter-spacing: 0.1em;
}

.transform-button:hover .transform-preview {
    background-color: var(--surface-overlay-strong);
    opacity: 1;
}

.transform-button.active .transform-preview {
    background-color: var(--preview-active-bg);
    color: var(--preview-active-text);
    border-color: var(--preview-active-border);
}

.transform-button {
    padding: 8px 6px;
    height: auto;
    border-radius: 4px;
    font-size: 0.8rem;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    width: 100%;
    min-width: 0;
    font-weight: 500;
    text-align: center;
    border: 1px solid var(--input-border);
    background: var(--button-bg);
    color: var(--text-color);
    transition: all 0.2s ease;
    overflow: hidden;
    min-height: 88px;
}

.transform-button-name {
    display: -webkit-box;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    line-height: 1.25;
    font-size: clamp(0.65rem, 7.2cqi, 0.88rem);
    overflow-wrap: anywhere;
    word-break: break-word;
    hyphens: auto;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    padding: 0 14px;
    flex-shrink: 0;
}

[class*="transform-category-"] {
    background: var(--button-bg);
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
    border-left: 3px solid transparent;
}

.transform-category-case { border-left-color: rgba(var(--case-color-rgb), 0.45); }
.transform-category-case:hover { background: var(--button-hover-bg); border-left-color: var(--case-color); }
.transform-category-case.active { background: var(--case-color); border-color: var(--case-color); border-left-color: var(--case-color); box-shadow: none; }

.transform-category-cipher { border-left-color: rgba(var(--cipher-color-rgb), 0.45); }
.transform-category-cipher:hover { background: var(--button-hover-bg); border-left-color: var(--cipher-color); }
.transform-category-cipher.active { background: var(--cipher-color); border-color: var(--cipher-color); border-left-color: var(--cipher-color); box-shadow: none; }

.transform-category-concealment { border-left-color: rgba(var(--concealment-color-rgb), 0.45); }
.transform-category-concealment:hover { background: var(--button-hover-bg); border-left-color: var(--concealment-color); }
.transform-category-concealment.active { background: var(--concealment-color); border-color: var(--concealment-color); border-left-color: var(--concealment-color); box-shadow: none; }

.transform-category-encoding { border-left-color: rgba(var(--encoding-color-rgb), 0.45); }
.transform-category-encoding:hover { background: var(--button-hover-bg); border-left-color: var(--encoding-color); }
.transform-category-encoding.active { background: var(--encoding-color); border-color: var(--encoding-color); border-left-color: var(--encoding-color); box-shadow: none; }

.transform-category-format { border-left-color: rgba(var(--format-color-rgb), 0.45); }
.transform-category-format:hover { background: var(--button-hover-bg); border-left-color: var(--format-color); }
.transform-category-format.active { background: var(--format-color); border-color: var(--format-color); border-left-color: var(--format-color); box-shadow: none; }

.transform-category-signwriting { border-left-color: rgba(var(--signwriting-color-rgb), 0.45); }
.transform-category-signwriting:hover { background: var(--button-hover-bg); border-left-color: var(--signwriting-color); }
.transform-category-signwriting.active { background: var(--signwriting-color); border-color: var(--signwriting-color); border-left-color: var(--signwriting-color); box-shadow: none; }

.transform-category-special { border-left-color: rgba(var(--special-color-rgb), 0.45); }
.transform-category-special:hover { background: var(--button-hover-bg); border-left-color: var(--special-color); }
.transform-category-special.active { background: var(--special-color); border-color: var(--special-color); border-left-color: var(--special-color); box-shadow: none; }

.transform-category-symbol { border-left-color: rgba(var(--symbol-color-rgb), 0.45); }
.transform-category-symbol:hover { background: var(--button-hover-bg); border-left-color: var(--symbol-color); }
.transform-category-symbol.active { background: var(--symbol-color); border-color: var(--symbol-color); border-left-color: var(--symbol-color); box-shadow: none; }

.transform-category-technical { border-left-color: rgba(var(--technical-color-rgb), 0.45); }
.transform-category-technical:hover { background: var(--button-hover-bg); border-left-color: var(--technical-color); }
.transform-category-technical.active { background: var(--technical-color); border-color: var(--technical-color); border-left-color: var(--technical-color); box-shadow: none; }

.transform-category-unicode { border-left-color: rgba(var(--unicode-color-rgb), 0.45); }
.transform-category-unicode:hover { background: var(--button-hover-bg); border-left-color: var(--unicode-color); }
.transform-category-unicode.active { background: var(--unicode-color); border-color: var(--unicode-color); border-left-color: var(--unicode-color); box-shadow: none; }

.transform-category-visual { border-left-color: rgba(var(--visual-color-rgb), 0.45); }
.transform-category-visual:hover { background: var(--button-hover-bg); border-left-color: var(--visual-color); }
.transform-category-visual.active { background: var(--visual-color); border-color: var(--visual-color); border-left-color: var(--visual-color); box-shadow: none; }

.transform-category-randomizer { border-left-color: rgba(var(--randomizer-color-rgb), 0.45); }
.transform-category-randomizer:hover { background: var(--button-hover-bg); border-left-color: var(--randomizer-color); }
.transform-category-randomizer.active { background: var(--randomizer-color); border-color: var(--randomizer-color); border-left-color: var(--randomizer-color); box-shadow: none; }

.transform-category-custom_spelling { border-left-color: rgba(var(--custom-spelling-color-rgb), 0.45); }
.transform-category-custom_spelling:hover { background: var(--button-hover-bg); border-left-color: var(--custom-spelling-color); }
.transform-category-custom_spelling.active { background: var(--custom-spelling-color); border-color: var(--custom-spelling-color); border-left-color: var(--custom-spelling-color); box-shadow: none; }

.transform-category-translate { border-left-color: rgba(var(--translate-color-rgb), 0.45); }
.transform-category-translate:hover { background: var(--button-hover-bg); border-left-color: var(--translate-color); }
.transform-category-translate.active { background: var(--translate-color); border-color: var(--translate-color); border-left-color: var(--translate-color); box-shadow: none; }

.transform-button:before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px solid transparent;
    border-radius: 6px;
    transition: all 0.2s ease;
    pointer-events: none;
}

.transform-button:hover {
    background: var(--button-hover-bg);
    border-color: var(--accent-color);
}

.transform-button:hover:before {
    border-color: var(--accent-color);
    opacity: 0.4;
}

.transform-button.active {
    background: var(--button-active-bg);
    color: var(--text-on-accent);
    border-color: var(--button-active-bg);
    box-shadow: none;
}

.transform-button.active:before {
    border-color: var(--accent-color);
    opacity: 1;
}

/* Category-specific active states */
[class*="transform-category-"].active {
    color: var(--text-on-category);
}

[class*="transform-category-"].active .transform-button-name,
[class*="transform-category-"].active .transform-preview {
    color: var(--text-on-category);
}

[class*="transform-category-"].active .transform-preview {
    background-color: var(--preview-active-bg);
    color: var(--preview-active-text);
    border-color: var(--preview-active-border);
}

/* Add a subtle indicator for clickable buttons */
.transform-button:after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent-color);
    opacity: 0;
    transition: all 0.2s ease;
}

.transform-button.active:after {
    opacity: 0.8;
    width: 30px;
}

/* Favorite icon styling */
.favorite-icon {
    position: absolute;
    right: 8px;
    bottom: 8px;
    font-size: 0.8rem;
    opacity: 0.5;
    transition: all 0.2s ease;
    cursor: pointer;
    z-index: 12;
    color: var(--text-color);
}

.favorite-icon:hover {
    opacity: 1;
    transform: scale(1.2);
    color: var(--favorite-color);
}

.favorite-icon.favorited {
    opacity: 1;
    color: var(--favorite-color);
}

.favorite-icon.favorited:hover {
    transform: scale(1.3);
    filter: brightness(1.15);
}

/* Per-transform options (gear) */
.transform-options-gear {
    position: absolute;
    left: 8px;
    bottom: 8px;
    font-size: 0.85rem;
    opacity: 0.75;
    transition: opacity 0.2s ease, transform 0.2s ease, color 0.2s ease;
    cursor: pointer;
    z-index: 12;
    color: var(--accent-color);
}

.transform-options-gear:hover {
    opacity: 1;
    color: var(--accent-color);
    transform: scale(1.15);
}

body.transform-options-modal-open {
    overflow: hidden;
}

.transform-options-backdrop {
    position: fixed;
    inset: 0;
    z-index: 12000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
    background: var(--backdrop-scrim);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}

@media (min-width: 600px) {
    .transform-options-backdrop {
        align-items: center;
        padding: 16px;
    }
}

.transform-options-panel {
    width: 100%;
    max-width: 420px;
    max-height: min(88vh, 640px);
    display: flex;
    flex-direction: column;
    background: var(--main-bg-color);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    border-radius: 12px 12px 0 0;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.35);
    overflow: hidden;
}

@media (min-width: 600px) {
    .transform-options-panel {
        border-radius: 12px;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    }
}

.transform-options-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--input-border);
    flex-shrink: 0;
}

.transform-options-panel-header h3 {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 600;
}

.transform-options-close {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.transform-options-close:hover {
    background: var(--button-hover-bg);
}

.transform-options-panel-body {
    padding: 12px 16px 8px;
    overflow-y: auto;
    flex: 1;
    -webkit-overflow-scrolling: touch;
}

.transform-options-field {
    margin-bottom: 14px;
}

.transform-options-field label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-color);
}

.transform-options-checkbox {
    width: 22px;
    height: 22px;
    min-width: 22px;
    min-height: 22px;
    cursor: pointer;
    accent-color: var(--accent-color);
}

.transform-options-select {
    width: 100%;
    max-width: 100%;
    padding: 12px 28px 12px 14px;
    font-size: 1rem;
    border-radius: 8px;
    border: 1px solid var(--input-border);
    background-color: var(--button-bg);
    color: var(--text-color);
    min-height: 48px;
}

.transform-options-text,
.transform-options-number {
    width: 100%;
    box-sizing: border-box;
    padding: 12px 14px;
    font-size: 1rem;
    border-radius: 8px;
    border: 1px solid var(--input-border);
    background: var(--button-bg);
    color: var(--text-color);
    min-height: 48px;
}

.transform-options-number {
    -moz-appearance: textfield;
    appearance: textfield;
}

.transform-options-number::-webkit-outer-spin-button,
.transform-options-number::-webkit-inner-spin-button {
    -webkit-appearance: none;
    appearance: none;
    margin: 0;
}

.transform-options-panel-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
    padding: 12px 16px 16px;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--input-border);
    flex-shrink: 0;
}

.transform-options-btn {
    min-height: 44px;
    min-width: 88px;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--input-border);
    background: var(--button-bg);
    color: var(--text-color);
}

.transform-options-btn-primary {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--text-on-accent);
}

.transform-options-btn-primary:hover {
    filter: brightness(1.08);
}

.transform-options-btn-secondary:hover {
    background: var(--button-hover-bg);
}

.transform-category-section.favorites-section,
.transform-category-section.last-used-section {
    border: 2px dashed;
}

.favorites-section {
    background: rgba(var(--favorite-color-rgb), 0.06);
}

.transform-category-section.favorites-section {
    border-color: var(--favorite-color);
}

.transform-category-section.last-used-section {
    border-color: var(--accent-color);
}

.favorites-section .category-title {
    color: var(--favorite-color);
    border-left-color: var(--favorite-color);
}

/* Output section */
.output-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 16px;
    padding: 16px;
    background: var(--main-bg-color);
    border-radius: 6px;
    border: 1px solid var(--accent-color);
    box-shadow: 0 2px 12px rgba(100, 181, 246, 0.15);
}

.output-heading h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--success-color);
    margin-bottom: 8px;
    font-size: 1rem;
}

.output-heading h4 small {
    color: var(--accent-color);
    font-size: 0.8rem;
    margin-left: 8px;
    font-weight: normal;
    opacity: 0.8;
}

.output-instructions {
    font-size: 0.85rem;
    color: var(--text-color);
    opacity: 0.7;
    padding: 6px;
    border-radius: 4px;
    background: var(--surface-overlay-strong);
    margin-top: 8px;
}

.output-instructions i {
    color: var(--accent-color);
    margin-right: 6px;
}

.output-container {
    position: relative;
}

.copy-button {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 6px;
    background: var(--button-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--text-color);
    opacity: 0.8;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.copy-button:hover {
    background: var(--button-hover-bg);
    border-color: var(--accent-color);
    color: var(--accent-color);
    opacity: 1;
}

.copy-button:active {
    transform: translateY(1px);
}

/* Classy secondary action buttons (Copy All / Download) */
.action-button {
    background: var(--button-bg);
    border: 1px solid var(--input-border);
    color: var(--text-color);
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: border-color .15s ease, color .15s ease, box-shadow .15s ease;
}
.action-button i { margin-right: 6px; opacity: .9; }
.action-button:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 0 1px rgba(100, 181, 246, 0.15) inset, 0 0 12px rgba(100, 181, 246, 0.12);
}
.action-button:active { transform: translateY(1px); }

.decoded-message {
    position: relative;
    padding: 12px;
    background: var(--input-bg);
    border-radius: 4px;
    margin-top: 12px;
    border: 1px solid var(--input-border);
    font-family: 'Fira Code', monospace;
    word-break: break-word;
}

/* Copy button hover styling is defined above */

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    color: var(--accent-color);
    font-weight: 500;
}

.form-group label i {
    font-size: 1.1rem;
}

/* Section dividers */
.section-divider {
    border-top: 1px solid var(--section-divider);
    margin: 30px 0;
}

/* GitHub link */
.actions {
    display: flex;
    gap: 8px;
}

.theme-button,
.github-button {
    background: var(--button-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    padding: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    text-decoration: none;
    width: 32px;
    height: 32px;
}

.theme-button:hover,
.github-button:hover {
    background: var(--button-hover-bg);
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

.github-link:hover {
    background-color: var(--button-hover-bg);
    color: var(--button-hover-text);
}

/* Responsive adjustments */


/* Special styling for randomizer section */
.randomizer-special {
    background: rgba(88, 28, 135, 0.18);
    border: 2px solid rgba(186, 104, 200, 0.35);
    border-radius: 14px;
    padding: 22px;
    margin: 18px 0;
    position: relative;
    box-shadow: 0 12px 28px rgba(0,0,0,.35) inset, 0 8px 24px rgba(88,28,135,.18);
}

.randomizer-special::before {
    content: '🎲';
    position: absolute;
    top: -10px;
    right: 20px;
    font-size: 24px;
    background: var(--bg-color);
    padding: 0 10px;
}

.randomizer-description {
    color: rgba(156, 39, 176, 0.9);
    font-style: italic;
    margin-bottom: 15px;
    text-align: center;
}

.randomizer-info {
    margin-top: 20px;
    padding: 16px 16px 12px 16px;
    background: rgba(123, 31, 162, 0.16);
    border-radius: 12px;
    border-left: 4px solid var(--randomizer-color);
}

.randomizer-info h5 {
    color: var(--randomizer-color);
    margin-bottom: 10px;
}

.randomizer-info ul {
    margin-left: 20px;
    color: var(--text-color);
}

.randomizer-info li {
    margin-bottom: 5px;
}

.randomizer-info p {
    margin-top: 10px;
    color: rgba(200, 170, 255, 0.9);
    font-style: italic;
}

.randomizer-button {
    background: var(--randomizer-button-bg);
    color: var(--randomizer-button-text);
    font-weight: 800;
    position: relative;
    overflow: hidden;
    border: 2px solid var(--randomizer-button-border);
    padding: var(--spacing-md) var(--spacing-lg);
    letter-spacing: .3px;
    justify-content: center;
    text-align: center;
    width: 100%;
    min-width: 0;
}

.transform-button.transform-category-randomizer.randomizer-button {
    background: var(--randomizer-button-bg);
    color: var(--randomizer-button-text);
    border-color: var(--randomizer-button-border);
}

.transform-button.transform-category-randomizer.randomizer-button:hover {
    background: var(--randomizer-button-bg);
    color: var(--randomizer-button-text);
    border-left-color: var(--randomizer-color);
    filter: brightness(1.08);
}

.transform-button.transform-category-randomizer.randomizer-button.active {
    background: var(--randomizer-button-active-bg);
    border-color: var(--randomizer-button-active-bg);
    border-left-color: var(--randomizer-button-active-bg);
    color: var(--randomizer-button-active-text);
}

.transform-button.randomizer-button .transform-preview,
.transform-category-randomizer.randomizer-button .transform-preview {
    color: var(--randomizer-button-preview-text);
    background-color: var(--randomizer-button-preview-bg);
    border-color: var(--randomizer-button-preview-border);
    text-shadow: none;
    opacity: 1;
}

.transform-button.transform-category-randomizer.randomizer-button.active .transform-preview {
    color: var(--randomizer-button-active-preview-text, var(--randomizer-button-preview-text));
    background-color: var(--randomizer-button-active-preview-bg, var(--randomizer-button-preview-bg));
    border-color: var(--randomizer-button-active-preview-border, var(--randomizer-button-preview-border));
}

.transform-button.randomizer-button .favorite-icon {
    color: var(--randomizer-button-text);
    opacity: 0.88;
}

.transform-button.randomizer-button .favorite-icon.favorited {
    color: var(--favorite-color);
    opacity: 1;
}

.randomizer-button::after {
    display: none;
}

/* Randomizer chaos animations */
.randomizer-special { position: relative; }
.chaos-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: visible;
    z-index: 10;
}
.chaos-particle {
    position: absolute;
    bottom: 8px;
    font-size: 16px;
    opacity: 0.95;
    animation: floatUpChaos 1.1s ease-out forwards;
    filter: drop-shadow(0 2px 2px rgba(0,0,0,0.2));
    z-index: 11;
}

@keyframes floatUpChaos {
    0% { transform: translateY(10px) scale(0.8) rotate(0deg); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(-90px) scale(1.15) rotate(15deg); opacity: 0; }
}

.shake-once {
    animation: shakeChaos 420ms cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shakeChaos {
    10%, 90% { transform: translate3d(-1px, 0, 0); }
    20%, 80% { transform: translate3d(2px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
    40%, 60% { transform: translate3d(4px, 0, 0); }
}

.randomizer-glow {
    animation: glowChaos 1.2s ease-in-out;
}

@keyframes glowChaos {
    0% { box-shadow: 0 0 0 rgba(156,39,176,0); }
    30% { box-shadow: 0 0 18px rgba(156,39,176,0.6); }
    100% { box-shadow: 0 0 0 rgba(156,39,176,0); }
}

/* Steganography split layout */
.steg-split-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 16px;
}

.steg-advanced-sidebar {
    position: sticky;
    top: 8px;
    height: max-content;
    background: var(--main-bg-color);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    padding: 12px;
}

.steg-adv-panel label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 8px;
}

/* Steg panel inputs - only unique overrides */
.steg-adv-panel select, 
.steg-adv-panel input[type=number] {
    padding: 6px 8px; /* Slightly smaller padding */
}

.steg-note {
    display: block;
    margin-top: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
}


/* Unicode / Advanced Settings: shell + header close (touch-friendly) */
.unicode-panel-header .close-button {
    background: transparent;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 8px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.2s ease;
    border-radius: 4px;
    pointer-events: auto;
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    user-select: none;
    z-index: 301;
    position: relative;
}

.unicode-panel-header .close-button:hover {
    background: var(--button-hover-bg);
    color: var(--accent-color);
}

.unicode-panel-header .close-button:active {
    transform: scale(0.95);
}
.apply-status { color: var(--status-success); opacity: .9; }
.apply-steg-options.applied { border-color: var(--success-color); box-shadow: 0 0 12px rgba(var(--glitch-color-rgb), .25) inset, 0 0 16px rgba(var(--glitch-color-rgb), .15); }

/* API Key Settings */
.settings-section { margin-bottom: 12px; }
.settings-section h4 { color: var(--accent-color); margin: 0 0 6px 0; font-size: 0.85rem; }
.settings-hint { color: var(--text-muted); display: block; margin-bottom: 8px; font-size: 0.75rem; }
.settings-divider { border: none; border-top: 1px solid var(--input-border); margin: 14px 0; }
.api-key-input-row { display: flex; gap: 6px; margin-bottom: 8px; }
.api-key-input {
    flex: 1;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-color);
    padding: 6px 10px;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
    letter-spacing: 1px;
}
.api-key-input:focus { border-color: var(--accent-color); outline: none; }
.api-key-toggle {
    background: var(--button-bg);
    border: 1px solid var(--input-border);
    color: var(--text-muted);
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
}
.api-key-toggle:hover { border-color: var(--accent-color); color: var(--text-color); }
.api-key-actions { display: flex; gap: 8px; align-items: center; }
.api-key-save, .api-key-clear {
    background: var(--button-bg);
    border: 1px solid var(--input-border);
    color: var(--text-color);
    padding: 5px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
}
.api-key-save:hover { border-color: var(--success-color); color: var(--success-color); }
.api-key-clear:hover { border-color: var(--error-text); color: var(--error-text); }

/* Decoder Language Detection */
.decoder-lang-banner {
    background: rgba(var(--favorite-color-rgb), 0.07);
    border: 1px solid rgba(var(--favorite-color-rgb), 0.25);
    border-radius: 8px;
    padding: 10px 14px;
    margin: 8px 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}
.decoder-lang-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    font-size: 0.9rem;
}
.decoder-lang-info i { font-size: 1.1rem; }
.lang-confidence { color: var(--text-muted); font-style: italic; }
.decoder-translate-btn {
    background: var(--button-bg);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
    transition: all 0.2s;
}
.decoder-translate-btn:hover:not(:disabled) {
    background: var(--accent-tint);
    box-shadow: 0 0 10px rgba(var(--accent-color-rgb), 0.15);
}
.decoder-translate-btn:disabled { opacity: 0.6; cursor: wait; }
.decoder-translate-error {
    width: 100%;
    color: var(--error-text);
    font-size: 0.8rem;
    margin-top: 4px;
}

/* Fluid UX: reduce scroll fatigue during repeated actions */
html {
    scroll-behavior: smooth;
}

/* Tokenade presets: responsive grid */
.tokenade-presets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 108px), 1fr));
    gap: 8px;
    margin: 8px 0 12px 0;
}

.tokenade-presets > label {
    margin-right: 4px;
}

.tokenade-presets .transform-button {
    width: 100%;
    min-width: 0;
    min-height: 36px;
    padding: 6px 8px;
    line-height: 1.25;
    text-align: center;
    white-space: normal;
}

/* Tokenade structured controls */
.tokenade-controls {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 8px;
}

.tokenade-field-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.tokenade-field-name {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    line-height: 1.25;
    color: var(--text-muted);
}

.tokenade-field-hint {
    display: block;
    margin: 0;
    font-size: 0.74rem;
    font-weight: 400;
    line-height: 1.3;
    color: var(--text-muted);
    opacity: 0.85;
}

.tokenade-sliders.options-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    margin: 0;
}

.tokenade-sliders .slider-block {
    min-width: 0;
}

.tokenade-toggles.options-grid {
    grid-template-columns: 1fr;
    gap: 8px;
    margin: 0;
}

.tokenade-toggles .switch {
    align-self: stretch;
    max-height: none;
    min-height: 38px;
    margin-left: 0;
    width: 100%;
}

.tokenade-toggles .switch span {
    flex: 1;
    min-width: 0;
    line-height: 1.35;
}

.tokenade-separator-row .segmented {
    width: 100%;
    box-sizing: border-box;
}

.tokenade-separator-row .segmented-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

@media (min-width: 520px) {
    .tokenade-sliders.options-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .tokenade-toggles.options-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 720px) {
    .tokenade-toggles.options-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.tokenade-carrier-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}

.tokenade-carrier-toggle {
    align-self: stretch;
    max-height: none;
    margin-left: 0;
    width: 100%;
}

.tokenade-carrier-fields.options-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    margin: 0;
}

.tokenade-carrier-fields label {
    min-width: 0;
}

@media (min-width: 520px) {
    .tokenade-carrier-fields.options-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: end;
    }
}

.tokenade-text-options.options-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    margin: 12px 0;
}

.tokenade-text-options .switch {
    align-self: stretch;
    max-height: none;
    margin-left: 0;
    width: 100%;
}

@media (min-width: 520px) {
    .tokenade-text-options.options-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .tokenade-text-options.options-grid > label:first-child {
        grid-column: 1 / -1;
    }
}

/* Hacker style controls */
.hacker-controls {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
    align-items: end;
}
/* Range sliders — use in .slider-block (PromptCraft, Anti-Classifier, Tokenade) */
.slider-block {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 6px;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text-muted);
}

.options-grid label.slider-block {
    gap: 6px;
}

.slider-block input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    margin: 4px 0 2px;
    background: transparent;
    cursor: pointer;
    border: none;
    outline: none;
}

.slider-block input[type="range"]::-webkit-slider-runnable-track {
    height: 6px;
    border-radius: 4px;
    background: rgba(var(--accent-color-rgb), 0.22);
    border: 1px solid var(--input-border);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.slider-block input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    margin-top: -5px;
    background: var(--accent-color);
    border-radius: 50%;
    border: 2px solid var(--secondary-bg);
    box-shadow:
        0 0 10px rgba(var(--accent-color-rgb), 0.45),
        0 1px 3px rgba(0, 0, 0, 0.35);
    cursor: pointer;
}

.slider-block input[type="range"]:focus-visible::-webkit-slider-thumb {
    box-shadow:
        0 0 0 3px rgba(var(--accent-color-rgb), 0.35),
        0 0 10px rgba(var(--accent-color-rgb), 0.45),
        0 1px 3px rgba(0, 0, 0, 0.35);
}

.slider-block input[type="range"]::-moz-range-track {
    height: 6px;
    border-radius: 4px;
    background: rgba(var(--accent-color-rgb), 0.22);
    border: 1px solid var(--input-border);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.slider-block input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--accent-color);
    border-radius: 50%;
    border: 2px solid var(--secondary-bg);
    box-shadow:
        0 0 10px rgba(var(--accent-color-rgb), 0.45),
        0 1px 3px rgba(0, 0, 0, 0.35);
    cursor: pointer;
}

.slider-block input[type="range"]:focus-visible::-moz-range-thumb {
    box-shadow:
        0 0 0 3px rgba(var(--accent-color-rgb), 0.35),
        0 0 10px rgba(var(--accent-color-rgb), 0.45),
        0 1px 3px rgba(0, 0, 0, 0.35);
}

.slider-value {
    align-self: flex-end;
    margin-top: 2px;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--accent-color);
}
.segmented {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    padding: 8px;
    background: var(--main-bg-color);
    border: 1px solid var(--input-border);
    border-radius: 6px;
}
.segmented-label {
    opacity: .7;
    margin-right: 0;
    flex: 0 0 auto;
    font-size: 0.8rem;
    font-weight: 600;
}
.segmented-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    flex: 1 1 auto;
    min-width: 0;
}
.segmented button {
    background: var(--button-bg);
    border: 1px solid var(--input-border);
    color: var(--text-color);
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
}
.segmented button.active {
    background: var(--accent-color);
    color: var(--text-on-accent);
    border-color: var(--accent-color);
}
.switch {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 8px 10px;
    background: var(--main-bg-color);
    border: 1px solid var(--input-border);
    border-radius: var(--theme-radius, 6px);
    margin-left: 6px;
    box-sizing: border-box;
}

.switch span {
    opacity: 0.92;
    color: var(--text-color);
}

.switch.neon {
    border-color: var(--switch-border);
    box-shadow:
        0 0 0 1px var(--switch-surface-glow) inset,
        0 0 10px var(--switch-surface-glow);
}

.switch.neon input[type="checkbox"] {
    appearance: none;
    width: 36px;
    height: 20px;
    border-radius: 12px;
    position: relative;
    flex-shrink: 0;
    background: var(--switch-track-bg);
    border: 1px solid var(--switch-track-border);
    outline: none;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
}

.switch.neon input[type="checkbox"]:after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--switch-thumb-bg);
    transition: transform 0.2s, background 0.2s, box-shadow 0.2s;
    box-shadow: 0 0 6px var(--switch-thumb-glow);
}

.switch.neon input[type="checkbox"]:checked {
    background: var(--switch-track-checked-bg);
    box-shadow: 0 0 12px var(--switch-track-checked-glow);
}

.switch.neon input[type="checkbox"]:checked:after {
    transform: translateX(16px);
    background: var(--switch-thumb-checked-bg);
    box-shadow: 0 0 12px var(--switch-thumb-checked-glow);
}

.switch.neon input[type="checkbox"]:focus-visible {
    box-shadow: var(--focus-shadow);
}

/* Tokenade section visual parity with transform cards */
.token-bomb-section {
    background: var(--main-bg-color);
    border-radius: 8px;
    padding: 16px;
    border: 1px solid var(--input-border);
    margin-bottom: 16px;
}
.token-bomb-section .section-header { margin-bottom: 10px; }
.token-bomb-section .output-instructions { margin-top: 8px; }

/* Tokenade disclaimer styling */
.tokenade-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: 10px 0 12px 0;
    padding: 10px 12px;
    border: 1px solid var(--status-banner-border);
    background: var(--status-banner-bg);
    color: var(--status-banner-text);
    border-radius: 6px;
    font-size: 0.95rem;
    line-height: 1.35;
}
.tokenade-disclaimer i { color: var(--status-banner-text); margin-top: 2px; }

/* Presets row polish — see grid rules above */

/* Quick picks panel */
.carrier-quick-grid { 
    background: var(--secondary-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    padding: 10px;
    width: 100%;
    box-sizing: border-box;
}
.carrier-quick-grid .emoji-grid { 
    border: none !important; 
    background: transparent !important; 
    padding: 6px !important;
    grid-template-columns: repeat(auto-fill, minmax(32px, 1fr)) !important;
    grid-auto-rows: 32px !important;
    width: 100% !important;
}
.tokenade-carrier-options { margin-top: 8px; }
.carrier-quick-grid .emoji-button { 
    width: 32px; height: 32px; font-size: 18px;
}

/* Tokenade slider/toggle spacing */
.tokenade-sliders .slider-block,
.tokenade-toggles .switch,
.tokenade-separator-row .segmented {
    margin-bottom: 0;
}

/* Reduce extra whitespace at bottom of tab cards */
.tab-content .transform-layout > *:last-child { margin-bottom: 0; }

/* Keep the transform input visible while scrolling */
.transform-layout .input-section {
    position: sticky;
    top: 8px;
    z-index: 20;
    background: var(--secondary-bg);
    border: 1px solid var(--input-border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* Tool action toolbar — primary generate / copy / download rows */
.tool-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin: 10px 0 12px 0;
}

.tool-toolbar .action-button,
.tool-toolbar .transform-button {
    white-space: nowrap;
}

.tool-toolbar .action-button.copy {
    border-color: var(--accent-color);
    color: var(--action-copy-color);
}

.tool-toolbar .action-button.copy:hover {
    color: var(--action-copy-hover);
    box-shadow: 0 0 0 1px rgba(var(--accent-color-rgb), 0.2) inset, 0 0 14px rgba(var(--accent-color-rgb), 0.18);
}

.tool-toolbar .action-button.download {
    border-color: var(--success-color);
    color: var(--action-download-color);
}

.tool-toolbar .action-button.download:hover {
    color: var(--action-download-hover);
    box-shadow: 0 0 0 1px rgba(var(--success-color), 0.2) inset, 0 0 14px rgba(var(--success-color), 0.18);
}

/* Primary “generate” actions — not transform-grid category tiles */
.tool-toolbar .transform-button.tool-primary-btn {
    flex: 1;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    width: auto;
    min-width: 200px;
    min-height: 44px;
    height: auto;
    padding: 10px 20px;
    gap: 10px;
    background: var(--accent-color);
    color: var(--text-on-accent);
    border: 1px solid var(--accent-color);
    font-weight: 600;
}

.tool-toolbar .transform-button.tool-primary-btn:before,
.tool-toolbar .transform-button.tool-primary-btn:after {
    display: none;
}

.tool-toolbar .transform-button.tool-primary-btn i {
    opacity: 0.95;
}

.tool-toolbar .transform-button.tool-primary-btn:hover:not(:disabled) {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: var(--text-on-accent);
    box-shadow: none;
}

.tool-toolbar .transform-button.tool-primary-btn:disabled {
    opacity: 0.65;
    cursor: wait;
    filter: none;
}

/* Bijection / PromptCraft / Anti-Classifier — shared card shell + section chrome */
.bijection-section.transform-section,
.promptcraft-section.transform-section,
.anticlassifier-section.transform-section {
    background: var(--secondary-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    padding: 16px;
    box-shadow: var(--panel-shadow-soft);
}

.bijection-section .section-header h3,
.promptcraft-section .section-header h3,
.anticlassifier-section .section-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 4px;
    border-left: 4px solid var(--accent-color);
    padding-left: 10px;
}

.bijection-section .section-header h3 small,
.promptcraft-section .section-header h3 small,
.anticlassifier-section .section-header h3 small {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-muted);
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid var(--input-border);
    background: var(--main-bg-color);
}

.bijection-section .input-section,
.promptcraft-section .input-section,
.anticlassifier-section .input-section {
    position: static;
    top: auto;
    z-index: auto;
    background: var(--main-bg-color);
    border: 1px solid var(--input-border);
    border-radius: 6px;
    margin-bottom: 12px;
    box-shadow: none;
}

.bijection-section .bj-lede {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 8px 0 0;
    padding-left: 14px;
    line-height: 1.45;
}

.bijection-section .bj-lede a {
    color: var(--accent-color);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.lexeme-analysis-card {
    margin: 0 0 14px 0;
    padding: 14px;
    border: 1px solid var(--input-border);
    border-radius: 8px;
    background: var(--main-bg-color);
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
}

.lexeme-analysis-header {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 12px;
}

.lexeme-analysis-header h4 {
    margin: 2px 0 6px 0;
    font-size: 1rem;
}

.lexeme-analysis-header p {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.5;
}

.lexeme-analysis-kicker {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-color);
}

.lexeme-neutralize-btn {
    align-self: center;
}

.lexeme-analysis-list {
    display: grid;
    gap: 10px;
}

.lexeme-analysis-item {
    border: 1px solid var(--input-border);
    border-radius: 8px;
    background: var(--surface-hover);
    padding: 12px;
}

.lexeme-analysis-item-top {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 8px;
}

.lexeme-analysis-term-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.lexeme-term {
    font-size: 0.95rem;
    font-weight: 700;
}

.lexeme-chip {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid var(--input-border);
    background: var(--secondary-bg);
    color: var(--text-muted);
    font-size: 0.74rem;
    line-height: 1.4;
}

.lexeme-analysis-domain {
    color: var(--text-muted);
    font-size: 0.82rem;
    text-align: right;
}

.lexeme-analysis-rationale {
    margin: 0 0 10px 0;
    line-height: 1.45;
    color: var(--text-color);
}

.lexeme-analysis-rewrites {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.lexeme-rewrite-btn {
    padding: 7px 10px;
    border-radius: 999px;
    border: 1px solid rgba(25, 118, 210, 0.35);
    background: rgba(25, 118, 210, 0.08);
    color: var(--text-color);
    font: inherit;
    font-size: 0.82rem;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.lexeme-rewrite-btn:hover {
    transform: translateY(-1px);
    background: rgba(25, 118, 210, 0.14);
    box-shadow: 0 4px 10px rgba(25, 118, 210, 0.14);
}

@media (max-width: 720px) {
    .lexeme-analysis-header,
    .lexeme-analysis-item-top {
        flex-direction: column;
    }

    .lexeme-analysis-domain {
        text-align: left;
    }

    .lexeme-neutralize-btn {
        width: 100%;
    }
}

.bijection-section .bij-options.options-grid {
    margin-top: 0;
    margin-bottom: 8px;
    grid-template-columns: 1fr;
    gap: 12px;
}

.bijection-section .bij-options.options-grid label.bij-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.bijection-section .bij-field-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-height: 2.35rem;
}

.bijection-section .bij-field-name {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.25;
}

.bijection-section .bij-field-hint {
    display: block;
    margin: 0;
    font-size: 0.78rem;
    font-weight: 400;
    line-height: 1.3;
    color: var(--text-muted);
}

.bijection-section .bij-toggles.options-grid {
    margin-top: 0;
    margin-bottom: 12px;
    grid-template-columns: 1fr;
    gap: 8px;
}

.bijection-section .bij-options.options-grid label,
.bijection-section .bij-toggles.options-grid label {
    min-width: 0;
}

.bijection-section .bij-toggles .switch {
    align-self: stretch;
    max-height: none;
    min-height: 38px;
    margin-left: 0;
    width: 100%;
}

.bijection-section .bij-toggles .switch span {
    flex: 1;
    min-width: 0;
    line-height: 1.35;
}

@media (min-width: 520px) {
    .bijection-section .bij-options.options-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: end;
    }

    .bijection-section .bij-options.options-grid > .bij-field-type {
        grid-column: 1 / -1;
    }

    .bijection-section .bij-field-narrow .bij-field-text {
        min-height: 2.35rem;
    }
}

@media (min-width: 720px) {
    .bijection-section .bij-toggles.options-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .bijection-section .tool-toolbar .transform-button.tool-primary-btn {
        flex: 1 1 100%;
        min-width: 0;
    }
}

@media (max-width: 768px) {
    .bijection-section.transform-section {
        padding: 12px;
    }

    .bijection-section .section-header h3 {
        font-size: 0.95rem;
    }

    .bijection-section .bj-lede {
        padding-left: 0;
        font-size: 0.85rem;
    }

    .bijection-section .tool-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .bijection-section .tool-toolbar .transform-button.tool-primary-btn,
    .bijection-section .tool-toolbar .action-button {
        width: 100%;
    }

    .bijection-section .bj-mapping-head {
        flex-direction: column;
        align-items: stretch;
    }

    .bijection-section .bj-mapping-head .action-button {
        width: 100%;
        justify-content: center;
    }

    .bijection-section .bj-result-header {
        gap: 6px;
    }

    .bijection-section .bj-result-meta {
        flex: 1 1 100%;
    }

    .bijection-section .bj-copy-btn {
        margin-left: auto;
    }
}

.bijection-section .bj-count {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-color);
    font-family: 'Courier New', monospace;
    margin-left: 4px;
}

.bijection-section .bj-mapping-panel {
    margin: 16px 0 0;
    padding: 12px;
    border-radius: 6px;
    border: 1px solid var(--input-border);
    background: var(--main-bg-color);
}

.bijection-section .bj-mapping-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 10px;
}

.bijection-section .bj-mapping-head h4 {
    margin: 0;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-color);
}

.bijection-section .bj-mapping-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 200px;
    overflow-y: auto;
    padding: 4px 0;
}

.bijection-section .bj-map-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--input-border);
    background: var(--secondary-bg);
    font-size: 0.85rem;
}

.bijection-section .bj-map-key { font-family: ui-monospace, monospace; font-weight: 600; }
.bijection-section .bj-map-val { font-family: ui-monospace, monospace; opacity: 0.95; }
.bijection-section .bj-map-arrow { opacity: 0.45; font-size: 0.8rem; }

.bijection-section .bj-output-title {
    margin: 16px 0 10px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-color);
}

.bijection-section .bj-results {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bijection-section .bj-result-card,
.pc-result-card {
    background: var(--main-bg-color);
    border: 1px solid var(--input-border);
    border-radius: 6px;
    padding: 12px;
}

.bijection-section .bj-result-header {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--input-border);
}

.bijection-section .bj-result-num,
.pc-result-num {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-color);
    font-family: 'Courier New', monospace;
}

.bijection-section .bj-result-meta {
    flex: 1;
    font-size: 0.75rem;
    color: var(--text-muted);
    min-width: 0;
}

.bijection-section .bj-copy-btn {
    margin-left: auto;
    background: transparent;
    border: 1px solid var(--input-border);
    color: var(--text-muted);
    border-radius: 6px;
    padding: 6px 10px;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.bijection-section .bj-copy-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.bijection-section .bj-prompt-text {
    width: 100%;
    min-height: 120px;
    font-family: 'Fira Code', ui-monospace, monospace;
    font-size: 0.82rem;
    line-height: 1.45;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--text-color);
    padding: 8px;
    resize: vertical;
}

.bijection-section .bj-encoded {
    margin: 8px 0 0;
    font-size: 0.82rem;
    word-break: break-word;
    color: var(--text-muted);
}

.pc-controls {
    margin-top: 4px;
}

.pc-strategies {
    margin-bottom: 12px;
}

.pc-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.pc-strategy-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pc-strategy-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 96px;
    flex: 1 1 calc(33.333% - 8px);
    max-width: calc(33.333% - 6px);
    padding: 10px 8px;
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
    line-height: 1.2;
    color: var(--text-color);
    background-color: var(--button-bg);
    border: 1px solid var(--input-border);
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.pc-strategy-btn i {
    font-size: 1rem;
    opacity: 0.9;
}

.pc-strategy-btn:hover:not(.active) {
    background-color: var(--button-hover-bg);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.pc-strategy-btn:hover:not(.active) i {
    color: var(--accent-color);
}

.pc-strategy-btn.active {
    background-color: var(--accent-color);
    color: var(--text-on-accent);
    border-color: var(--accent-color);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(var(--accent-color-rgb), 0.35);
}

.pc-strategy-btn.active i {
    color: var(--text-on-accent);
    opacity: 1;
}

.pc-strategy-btn:focus {
    outline: none;
    box-shadow: var(--focus-shadow);
}

.pc-strategy-btn.active:focus {
    box-shadow: 0 0 0 2px rgba(var(--accent-color-rgb), 0.5), 0 2px 8px rgba(var(--accent-color-rgb), 0.35);
}

.pc-custom-instruction {
    margin-bottom: 12px;
}

.pc-custom-instruction textarea {
    width: 100%;
    margin-top: 6px;
}

.pc-options.options-grid {
    margin-top: 4px;
}

.pc-results {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 8px;
}

.pc-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--input-border);
}

.pc-result-text {
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--text-color);
}

.pc-empty-state {
    text-align: center;
    padding: 24px 16px;
    color: var(--text-muted);
    border: 1px dashed var(--input-border);
    border-radius: 8px;
    margin-top: 12px;
    background: var(--surface-overlay);
}

.pc-empty-state i {
    font-size: 2rem;
    margin-bottom: 8px;
    opacity: 0.5;
    color: var(--accent-color);
}

@media (max-width: 768px) {
    .pc-strategy-btn {
        flex: 1 1 calc(50% - 4px);
        max-width: calc(50% - 4px);
    }
}

@media (max-width: 480px) {
    .pc-strategy-btn {
        flex: 1 1 100%;
        max-width: 100%;
    }
}

/* Message Splitter — encapsulation + JSON/XML field panels share chrome */
.encapsulation-section,
.json-fields-section,
.xml-attributes-section {
    margin-top: 16px;
    padding: 16px;
    background: var(--main-bg-color);
    border: 1px solid var(--input-border);
    border-radius: 8px;
}

.encapsulation-section .section-header,
.json-fields-section .section-header,
.xml-attributes-section .section-header {
    margin-bottom: 16px;
}

.encapsulation-section .section-header h4,
.json-fields-section .section-header h4,
.xml-attributes-section .section-header h4 {
    margin-bottom: 4px;
    margin-top: 0;
    color: var(--accent-color);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.encapsulation-section .section-header p,
.json-fields-section .section-header p,
.xml-attributes-section .section-header p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9em;
}

.encapsulation-presets {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.field-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
    align-items: center;
}

.field-row input {
    flex: 1;
    padding: 8px;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 0.9rem;
}

.field-row input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.remove-field-button,
.add-field-button {
    background-color: var(--button-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--text-color);
    cursor: pointer;
    padding: 8px 12px;
    font-size: 0.9rem;
    transition: all 0.2s;
    white-space: nowrap;
}

.remove-field-button:hover {
    background-color: var(--destructive-color);
    border-color: var(--destructive-color);
    color: var(--text-on-accent);
}

.add-field-button:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--text-on-accent);
}

.add-field-button {
    margin-top: 12px;
}

.encapsulation-presets small {
    color: var(--text-muted);
    font-weight: 500;
    margin-right: 4px;
}

.preset-btn {
    padding: 6px 12px;
    background: var(--button-bg);
    border: 1px solid var(--input-border);
    border-radius: 6px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
}

.preset-btn:hover {
    background: var(--button-hover-bg);
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

.preset-btn:active {
    transform: translateY(0);
}

.split-messages-container {
    margin-top: 16px;
}

.split-messages-container .output-heading {
    margin-bottom: 12px;
}

.split-messages-container .output-heading h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    margin-bottom: 0;
}

.split-messages-container .output-heading h4 small {
    font-size: 0.7em;
    font-weight: normal;
    color: var(--text-muted);
    background-color: var(--accent-tint);
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
}

.split-messages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}

.split-message-card {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    padding: 12px;
    transition: all 0.2s ease;
    position: relative;
}

.split-message-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 2px 8px rgba(100, 181, 246, 0.1);
    transform: translateY(-2px);
}

.split-message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--input-border);
}

.message-number {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    font-family: 'Fira Code', monospace;
}

.copy-button-small {
    padding: 4px 8px;
    background: var(--button-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--accent-color);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.copy-button-small:hover {
    background: var(--accent-color);
    color: var(--text-on-accent);
    transform: scale(1.05);
}

.copy-button-small i {
    font-size: 0.85rem;
}

.split-message-content {
    font-family: 'Fira Code', monospace;
    font-size: 0.95rem;
    color: var(--text-color);
    word-break: break-all;
    line-height: 1.5;
    min-height: 40px;
    padding: 8px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

/* Ensure consistent spacing with other tabs */
.tab-content .transform-layout .transform-section {
    margin-bottom: 16px;
}

.tab-content .transform-layout .transform-section:last-child {
    margin-bottom: 0;
}

/* Options grid styling (used across multiple tabs) */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
    margin: 16px 0;
}

/* Options grid label overrides */
.options-grid label.switch {
    flex-direction: row;
    gap: 8px;
}

.label-with-tooltip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.tooltip-icon {
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s ease, color 0.2s ease;
    position: relative;
    display: inline-block;
    margin-left: 4px;
    z-index: 999;
}

.tooltip-icon:hover {
    opacity: 1;
    color: var(--accent-color);
    z-index: 999;
}

.tooltip-icon:active {
    transform: scale(0.95);
}

/* Custom click-based tooltip */
.custom-tooltip {
    position: fixed;
    padding: 8px 12px;
    background: var(--tooltip-bg);
    color: var(--tooltip-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.8rem;
    line-height: 1.4;
    border-radius: 6px;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    max-width: 280px;
    min-width: 200px;
    text-align: left;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(100, 181, 246, 0.2);
    transition: opacity 0.2s ease, visibility 0.2s ease;
    word-wrap: break-word;
    white-space: normal;
}

.custom-tooltip::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: rgba(20, 20, 25, 0.98);
    filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.2));
}

.custom-tooltip.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Position tooltip icons properly */
.tooltip-icon[data-tooltip] {
    position: relative;
}

/* Options grid inputs inherit from standard form styles */

.options-grid .switch {
    margin-bottom: 0;
    margin-left: 6px;
    margin-top: auto;
    padding: 6px 8px;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    height: fit-content;
    min-height: 38px;
    max-height: 38px;
    align-self: flex-end;
}

/* Transform chain styling */
.transform-chain {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.transform-chain-inline {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.transform-chain-item {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

/* Transform chain select inherits .transform-select sizing */
.transform-chain-item .transform-select {
    min-width: min(200px, 100%);
}


.transform-arrow {
    color: var(--accent-color);
    font-size: 1rem;
    opacity: 0.7;
    margin: 0 4px;
}

.remove-transform-inline-btn {
    padding: 4px 6px;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem;
    opacity: 0.6;
}

.remove-transform-inline-btn:hover {
    background: var(--error-bg);
    color: var(--destructive-color);
    opacity: 1;
}

.add-transform-inline-btn {
    padding: 8px 12px;
    background: var(--button-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--accent-color);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 38px;
}

.add-transform-inline-btn:hover {
    background: var(--button-hover-bg);
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

.add-transform-inline-btn i {
    font-size: 0.9rem;
}

.splitter-copy-option {
    margin-left: 0;
}


/* Universal Decoder - Alternatives Section */
.alternatives-section {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.alternatives-header {
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alternatives-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.alternative-item {
    padding: 0.75rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.alternative-method {
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.alternative-preview {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.input-header, .output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.input-header label, .output-header label {
    font-weight: 500;
    color: var(--text-color);
}
/* ========================================
   MEDIA QUERIES
   All responsive styles consolidated at end of file
   ======================================== */

/* Desktop: auto-fill grid handles column count */
@media (min-width: 769px) {
    .transform-buttons {
        grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
    }

    .translate-lang-grid-inline .translate-lang-card {
        flex: 0 0 calc((100% - 32px) / 5);
        min-width: 0;
    }

    .translate-lang-grid-inline .translate-lang-btn {
        width: 100%;
    }

    .utility-tab-bar {
        flex-wrap: wrap;
    }

    .utility-tab-btn {
        flex: 1 1 50%;
        max-width: 50%;
        font-size: 0.68rem;
        padding: 10px 6px;
    }
}

/* Tablets and below (768px) */
@media (max-width: 768px) {
    body {
        height: auto;
        min-height: 100vh;
        overflow: auto;
    }

    .app-root {
        height: auto;
        min-height: 100vh;
    }

    .app-shell {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr;
    }

    .app-nav {
        display: none;
    }

    .app-main {
        padding: 12px;
        min-height: 0;
    }

    .topbar-utility-btn,
    .utility-backdrop {
        display: flex;
    }

    .utility-backdrop {
        display: block;
    }

    .app-utility {
        position: fixed;
        top: var(--topbar-height);
        right: 0;
        bottom: 0;
        width: min(100%, var(--sidebar-width));
        max-width: 100%;
        height: auto;
        min-height: 0;
        max-height: none;
        z-index: 120;
        transform: translateX(100%);
        transition: transform 0.28s ease;
        box-shadow: var(--sidebar-edge-shadow);
        border-left: 1px solid var(--input-border);
        border-top: none;
        pointer-events: none;
        visibility: hidden;
        isolation: isolate;
        container-type: inline-size;
    }

    .app-utility.utility-open {
        transform: translateX(0);
        pointer-events: auto;
        visibility: visible;
        z-index: 130;
    }

    .utility-tab-btn {
        font-size: clamp(0.48rem, 10cqi, 0.72rem);
        padding: 8px 2px;
    }

    body.theme-bt6 .utility-tab-btn,
    body.theme-pliny .utility-tab-btn,
    body.theme-wildwest .utility-tab-btn {
        letter-spacing: 0.04em;
        font-size: clamp(0.46rem, 9.5cqi, 0.62rem);
    }

    .section-header-card {
        flex-direction: column;
        gap: 10px;
    }
    
    .section-header-card-title {
        width: 100%;
    }
    
    .section-header-card-description {
        padding-top: 0;
    }
    
    .emoji-grid {
        grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    }
    
    .emoji-button {
        min-width: 50px;
        height: 50px;
    }
    
    .tab-buttons {
        display: none;
    }

    /* Legacy horizontal tab bar (if present outside app-nav) */
    .tabs > .tab-buttons {
        display: none;
    }
    
    .tab-tool-select {
        display: block;
    }
    
    .section-title {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .section-title h3 {
        width: 100%;
    }
    
    .section-title small {
        width: 100%;
        text-align: left;
    }
    
    .transform-chain-item .transform-select {
        min-width: 100%; /* Full width on smaller screens */
    }
    
    .split-messages-grid {
        grid-template-columns: 1fr;
    }
    
    .encapsulation-presets {
        gap: var(--spacing-xs);
    }
    
    .preset-btn {
        padding: 5px 10px;
        font-size: 0.85rem;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .transform-chain-inline {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .transform-arrow {
        transform: rotate(90deg);
        margin: 4px 0;
    }
    
    .tool-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .tool-toolbar button,
    .tool-toolbar .switch {
        width: 100%;
    }
    
    /* Transform buttons — tighter min cell on tablets */
    .transform-buttons {
        grid-template-columns: repeat(auto-fill, minmax(104px, 1fr));
        gap: 8px;
    }

    /* Translation (AI) language tiles: 2 columns on phones/tablets (grid is more reliable than flex here) */
    .translate-lang-grid.translate-lang-grid-inline {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .translate-lang-grid-inline .translate-lang-card {
        width: 100%;
        min-width: 0;
        max-width: none;
    }

    .translate-lang-grid-inline .translate-lang-btn {
        flex: none;
        width: 100%;
        min-width: 0;
        max-width: none;
        white-space: normal;
    }

    .app-sidebar {
        width: 100%;
        max-width: 100%;
    }

    .unicode-options-panel {
        z-index: 300;
    }
}

/* Medium screens (900px) */
@media (max-width: 900px) {
    .steg-split-layout { 
        grid-template-columns: 1fr; 
    }
    .steg-advanced-sidebar { 
        position: relative; 
        top: 0; 
    }
}

@media (max-width: 576px) {
    .button-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .button-group .btn {
        width: 100%;
    }
    
    body {
        padding: 0;
        height: auto;
        overflow: auto;
    }
    
    header.app-topbar {
        gap: 6px;
        padding: 0 8px;
    }

    .app-logo h1,
    .logo h1 {
        font-size: clamp(0.62rem, 3.5vw, 0.78rem);
        padding: 4px 6px;
        letter-spacing: 0.08em;
    }

    .topbar-actions,
    .actions {
        gap: 4px;
        flex-shrink: 0;
    }

    .github-button,
    .topbar-utility-btn {
        width: 32px;
        height: 32px;
        min-width: 32px;
        padding: 6px;
        flex-shrink: 0;
    }
    
    /* Transform buttons — compact cells on small phones */
    .transform-buttons {
        grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
        gap: var(--spacing-xs);
    }

    .transform-button-name {
        font-size: clamp(0.58rem, 6.8cqi, 0.8rem);
        padding: 0 12px;
    }

    .transform-preview {
        font-size: clamp(0.5rem, 6.2cqi, 0.78rem);
        -webkit-line-clamp: 3;
    }
    .options-grid {
        grid-template-columns: 1fr;
        gap: 10px;
        margin: var(--spacing-sm) 0;
    }
    
    /* Hacker controls single column */
    .hacker-controls {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .unicode-panel-header .close-button {
        min-width: 48px;
        min-height: 48px;
        padding: 12px;
        font-size: 1.4rem;
        z-index: 302;
        position: relative;
        pointer-events: auto;
        touch-action: manipulation;
        background: var(--button-bg);
        border: 1px solid var(--input-border);
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    }
    
    .unicode-panel-header .close-button:active {
        background: var(--button-active-bg);
        transform: scale(0.9);
    }
    
    /* Emoji grid more compact */
    .emoji-library .emoji-grid,
    #emoji-grid-container .emoji-grid,
    .emoji-grid-container .emoji-grid,
    .emoji-grid {
        grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
        grid-auto-rows: 38px;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm);
    }
    
    .emoji-button {
        font-size: 1.3rem;
    }
    
    /* Emoji category tabs smaller and flexible */
    .emoji-category-tab {
        padding: 5px var(--spacing-sm);
        font-size: 0.75rem;
        min-width: auto; /* Remove fixed width */
        flex: 1 1 auto; /* Allow flexible sizing */
    }
    
    /* Output heading smaller */
    .output-heading h4 {
        font-size: 0.9rem;
    }
    
    .output-heading h4 small {
        font-size: 0.7rem;
        padding: 2px var(--spacing-xs);
    }
    
    /* Tokenizer tiles more compact */
    .token-tiles {
        gap: var(--spacing-xs);
    }
    
    .token-chip {
        padding: var(--spacing-xs) var(--spacing-xs);
        font-size: 0.85rem;
    }
    
    /* Transform button preview text */
    .transform-preview {
        max-width: 100%;
    }
    
    /* Category section padding */
    .transform-category-section {
        padding: var(--spacing-sm);
    }
    
    .category-title {
        font-size: 1rem;
        padding-left: var(--spacing-xs);
    }
    
    /* Tokenade carrier options single column (inherits tokenade-carrier-fields rules) */
    
    /* Carrier quick grid emojis smaller */
    .carrier-quick-grid .emoji-grid {
        grid-template-columns: repeat(auto-fill, minmax(28px, 1fr));
        grid-auto-rows: 28px;
        gap: 3px;
    }
    
    .carrier-quick-grid .emoji-button {
        min-width: 28px;
        height: 28px;
        font-size: 1rem;
    }
    
    /* Additional mobile-specific rules */
    /* Smaller inputs and selects on very small screens */
    input[type="number"],
    input[type="text"],
    input[type="email"],
    input[type="password"],
    select {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 14px;
    }
    
    /* Compact section headers */
    .section-header h3 {
        font-size: 1rem;
    }
    
    .section-header h3 small {
        font-size: 0.65em;
        padding: 2px var(--spacing-xs);
    }
    
    /* Smaller textareas */
    textarea {
        padding: 10px;
        font-size: 13px;
        min-height: 80px;
    }
    
    /* Encapsulation presets wrap better */
    .encapsulation-presets {
        gap: var(--spacing-xs);
    }
    
    .preset-btn {
        padding: 5px var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    /* Transform section padding */
    .transform-section {
        padding: var(--spacing-sm);
    }
    
    .input-section,
    .output-section,
    .decode-section {
        padding: var(--spacing-sm);
    }
    
    /* Token bomb controls more compact */
    .token-bomb-section {
        padding: var(--spacing-sm);
    }
    
    .tokenade-presets .transform-button {
        padding: var(--spacing-xs) var(--spacing-xs);
        font-size: 0.75rem;
    }
    
    /* Smaller segmented buttons */
    .segmented button {
        padding: 5px var(--spacing-sm);
        font-size: 0.85rem;
    }
    
    /* Category filter bar */
    .transform-filter-bar {
        padding: 12px;
        gap: 12px;
    }

    .transform-search-wrap {
        min-height: 38px;
        padding: 0 12px;
    }

    .transform-search-wrap input[type="search"] {
        height: 36px;
        font-size: 0.88rem;
    }

    .transform-category-chips {
        gap: 5px;
    }

    .category-chip {
        font-size: 0.75rem;
        padding: 5px 10px;
    }

    .transform-category-legend {
        gap: var(--spacing-xs);
    }
    
    /* Transform chain items stack vertically */
    .transform-chain-item .transform-select {
        min-width: 100%;
        width: 100%;
    }
    
    /* Split messages grid single column */
    .split-messages-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    /* Switch controls full width */
    .switch {
        width: 100%;
        justify-content: space-between;
    }
    
    /* Randomizer section adjustments */
    .randomizer-special {
        padding: var(--spacing-md);
    }
    
    .randomizer-info {
        padding: var(--spacing-sm);
    }
    
    .randomizer-info ul {
        margin-left: var(--spacing-md);
    }
}

/* Custom Spelling Alphabet tool */
.spelling-alphabet-layout .sa-empty-state {
    padding: var(--spacing-md);
    border: 1px dashed var(--input-border);
    border-radius: 8px;
    color: var(--text-muted);
}

.sa-saved-list {
    display: grid;
    gap: var(--spacing-md);
}

.sa-saved-card {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--spacing-md);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    background: var(--secondary-bg);
}

.sa-saved-card h4 {
    margin: 0 0 var(--spacing-sm);
    color: var(--accent-color);
}

.sa-saved-preview,
.sa-saved-card p {
    margin: 0 0 var(--spacing-xs);
    color: var(--text-muted);
}

.sa-saved-card-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.sa-delete-btn {
    color: var(--destructive-color);
}

.sa-meta-grid {
    margin-bottom: var(--spacing-md);
}

.sa-generate-row {
    margin-bottom: var(--spacing-md);
}

.sa-hint {
    margin-top: var(--spacing-sm);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.sa-error {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 6px;
    border: 1px solid var(--error-border);
    background: var(--error-bg);
    color: var(--error-text-soft);
}

.sa-progress {
    margin-bottom: var(--spacing-md);
    color: var(--text-muted);
}

.sa-letter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-sm);
}

.sa-letter-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sa-letter-label {
    font-weight: 700;
    color: var(--custom-spelling-color);
}

.sa-letter-field input {
    text-transform: uppercase;
}

.sa-live-preview {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 8px;
    background: rgba(var(--custom-spelling-color-rgb), 0.08);
    border: 1px solid rgba(var(--custom-spelling-color-rgb), 0.25);
}

/* Codes tool (QR + barcodes) */
.codes-layout .codes-mode-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.codes-mode-btn {
    flex: 1;
    max-width: 220px;
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-color);
    cursor: pointer;
    font-size: 0.95rem;
    transition: border-color 0.15s, background 0.15s;
}

.codes-mode-btn:hover {
    border-color: var(--accent-color);
}

.codes-mode-btn.active {
    border-color: var(--accent-color);
    background: rgba(var(--accent-color-rgb, 99, 102, 241), 0.12);
    font-weight: 600;
}

.codes-options-grid {
    margin-bottom: var(--spacing-md);
}

.codes-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    align-self: end;
}

.codes-error {
    margin: var(--spacing-sm) 0;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    background: rgba(220, 53, 69, 0.12);
    border: 1px solid rgba(220, 53, 69, 0.35);
    color: #dc3545;
}

.codes-output-card {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-secondary);
}

.codes-preview-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
    background: #fff;
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
}

.codes-preview-image {
    max-width: 100%;
    height: auto;
}

.codes-upload-zone {
    margin-bottom: var(--spacing-md);
}

.codes-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    text-align: center;
    transition: border-color 0.15s, background 0.15s;
}

.codes-upload-label:hover {
    border-color: var(--accent-color);
    background: rgba(var(--accent-color-rgb, 99, 102, 241), 0.06);
}

.codes-upload-label input[type="file"] {
    display: none;
}

.codes-upload-label i {
    font-size: 2rem;
    color: var(--accent-color);
}

.codes-hint {
    margin-top: var(--spacing-sm);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.codes-loading {
    padding: var(--spacing-md);
    color: var(--text-muted);
}

.codes-decode-preview {
    margin: var(--spacing-md) 0;
    text-align: center;
}

.codes-decode-preview img {
    max-width: 100%;
    max-height: 280px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.codes-decode-result {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-secondary);
}

.codes-decode-meta {
    margin-bottom: var(--spacing-sm);
    color: var(--text-muted);
    font-size: 0.9rem;
}


/* Multi-provider AI settings — one row per provider, each with its own key */
.ai-provider-row {
    border: 1px solid var(--border-color, rgba(128, 128, 128, 0.25));
    border-radius: 6px;
    padding: 10px;
    margin-bottom: 10px;
}

.ai-provider-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.ai-provider-head strong {
    flex: 1;
}
