/* ==========================================================================
   Indie Theme - cream paper, ink text, terracotta accent
   ========================================================================== */
[data-theme="indie"] {
  color-scheme: light;
  --bg-primary: #f1ece1;
  --bg-secondary: #e8e1d1;
  --bg-surface: #faf6ec;
  --bg-surface-subtle: #efe8d7;
  --bg-translucent: rgba(241, 236, 225, 0.85);

  --text-primary: #211d16;
  --text-secondary: #5c5546;
  --text-tertiary: #6e6e73;

  --accent-blue: #a94a26;
  --accent-blue-hover: #bc5630;
  --accent-blue-subtle: rgba(169, 74, 38, 0.12);

  --hairline-border: 1px solid rgba(33, 29, 22, 0.1);
  --hairline-border-hover: 1px solid rgba(33, 29, 22, 0.2);
  --hairline-divider: 1px solid rgba(33, 29, 22, 0.07);
}

[data-theme="indie"] body {
  transition: background-color 0.15s ease, color 0.15s ease;
}

[data-theme="indie"] ::-webkit-scrollbar-track {
  background: #e8e1d1;
}
[data-theme="indie"] ::-webkit-scrollbar-thumb {
  background: #c9c0aa;
}
[data-theme="indie"] ::-webkit-scrollbar-thumb:hover {
  background: #a89e83;
}
[data-theme="indie"] * {
  scrollbar-color: #c9c0aa #e8e1d1;
}

[data-theme="indie"] .segmented-control {
  background: #e3dac6;
}
[data-theme="indie"] .seg-btn.active {
  background: #fffdf6;
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(33, 29, 22, 0.14);
}
[data-theme="indie"] .meta-chip {
  background: rgba(33, 29, 22, 0.05);
}
[data-theme="indie"] .sim-output-badge {
  background: rgba(33, 29, 22, 0.04);
}
[data-theme="indie"] .apple-select,
[data-theme="indie"] .modal-form input[type="text"],
[data-theme="indie"] .modal-form input[type="number"],
[data-theme="indie"] .modal-form input[type="date"],
[data-theme="indie"] .modal-form input[type="time"],
[data-theme="indie"] .apple-textarea {
  background: #fffdf8;
}
[data-theme="indie"] .modal-surface .apple-select,
[data-theme="indie"] .modal-form input[type="text"],
[data-theme="indie"] .modal-form input[type="number"],
[data-theme="indie"] .modal-form input[type="date"],
[data-theme="indie"] .modal-form input[type="time"],
[data-theme="indie"] .apple-textarea,
[data-theme="indie"] .components-config-block,
[data-theme="indie"] .import-preview-box {
  background: #f1ebdb;
}
[data-theme="indie"] .modal-surface {
  background: #faf6ec;
}
[data-theme="indie"] .sound-track-row {
  background: #f1ebdb;
}
[data-theme="indie"] .sound-track-row:hover {
  border-color: rgba(33, 29, 22, 0.16);
}
[data-theme="indie"] .toast-item {
  background: #fffdf8;
  box-shadow: 0 8px 32px rgba(33, 29, 22, 0.16);
}
[data-theme="indie"] .mobile-nav {
  background: rgba(241, 236, 225, 0.92);
}

[data-theme="indie"] .timer-circle-track {
  stroke: #ddd3bd;
}
[data-theme="indie"] .apple-slider,
[data-theme="indie"] .course-progress-bar {
  background: #ddd3bd;
}
[data-theme="indie"] .apple-slider::-webkit-slider-thumb {
  border-color: rgba(33, 29, 22, 0.12);
  box-shadow: 0 1px 4px rgba(33, 29, 22, 0.2);
}
[data-theme="indie"] .apple-slider::-moz-range-thumb {
  border-color: rgba(33, 29, 22, 0.12);
  box-shadow: 0 1px 4px rgba(33, 29, 22, 0.2);
}

[data-theme="indie"] .pill-btn-secondary {
  background-color: rgba(33, 29, 22, 0.05);
}
[data-theme="indie"] .pill-btn-secondary:hover {
  background-color: rgba(33, 29, 22, 0.09);
  border-color: rgba(33, 29, 22, 0.2);
}
[data-theme="indie"] .chip-btn:hover {
  border-color: rgba(33, 29, 22, 0.25);
}
[data-theme="indie"] .chip-btn.active {
  background: #211d16;
  color: #faf6ec;
  border-color: #211d16;
}
[data-theme="indie"] .btn-card-glyph:hover {
  background: rgba(33, 29, 22, 0.06);
}
[data-theme="indie"] .modal-close-btn:hover {
  background: rgba(33, 29, 22, 0.06);
}
[data-theme="indie"] .apple-course-card:hover {
  border-color: rgba(33, 29, 22, 0.2);
}
[data-theme="indie"] .deadline-row-item:hover {
  background: rgba(33, 29, 22, 0.02);
}
[data-theme="indie"] .apple-checkbox {
  border-color: rgba(33, 29, 22, 0.3);
}
[data-theme="indie"] .nav-link:hover {
  border-color: rgba(33, 29, 22, 0.25);
}
[data-theme="indie"] .footer-year-track {
  background: #ddd3bd;
}
[data-theme="indie"] .keep-composer {
  background: #f1ebdb;
}
[data-theme="indie"] .keep-card {
  background: #f1ebdb;
}
[data-theme="indie"] .keep-card:hover {
  border-color: rgba(33, 29, 22, 0.2);
}
[data-theme="indie"] .todo-row {
  background: #f1ebdb;
}
[data-theme="indie"] .todo-circle {
  border-color: rgba(33, 29, 22, 0.3);
}
[data-theme="indie"] .credit-link {
  background: #f1ebdb;
}
[data-theme="indie"] .credit-link:hover {
  border-color: rgba(33, 29, 22, 0.2);
}

/* ==========================================================================
   Moss Theme - warm sand paper, ink text, moss-green accent
   ========================================================================== */
[data-theme="moss"] {
  color-scheme: light;
  --bg-primary: #ece6d5;
  --bg-secondary: #e0d7bf;
  --bg-surface: #f4efe0;
  --bg-surface-subtle: #e9e2cd;
  --bg-translucent: rgba(236, 230, 213, 0.85);

  --text-primary: #22241b;
  --text-secondary: #5a5b4c;
  --text-tertiary: #6e6e73;

  --accent-blue: #4a6741;
  --accent-blue-hover: #587a4e;
  --accent-blue-subtle: rgba(74, 103, 65, 0.12);

  --hairline-border: 1px solid rgba(34, 36, 27, 0.1);
  --hairline-border-hover: 1px solid rgba(34, 36, 27, 0.2);
  --hairline-divider: 1px solid rgba(34, 36, 27, 0.07);
}

[data-theme="moss"] body {
  transition: background-color 0.15s ease, color 0.15s ease;
}

[data-theme="moss"] ::-webkit-scrollbar-track {
  background: #e0d7bf;
}
[data-theme="moss"] ::-webkit-scrollbar-thumb {
  background: #c2b795;
}
[data-theme="moss"] ::-webkit-scrollbar-thumb:hover {
  background: #a2987a;
}
[data-theme="moss"] * {
  scrollbar-color: #c2b795 #e0d7bf;
}

[data-theme="moss"] .segmented-control {
  background: #dcd2b6;
}
[data-theme="moss"] .seg-btn.active {
  background: #faf6e9;
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(34, 36, 27, 0.14);
}
[data-theme="moss"] .meta-chip {
  background: rgba(34, 36, 27, 0.05);
}
[data-theme="moss"] .sim-output-badge {
  background: rgba(34, 36, 27, 0.04);
}
[data-theme="moss"] .apple-select,
[data-theme="moss"] .modal-form input[type="text"],
[data-theme="moss"] .modal-form input[type="number"],
[data-theme="moss"] .modal-form input[type="date"],
[data-theme="moss"] .modal-form input[type="time"],
[data-theme="moss"] .apple-textarea {
  background: #fdfaf1;
}
[data-theme="moss"] .modal-surface .apple-select,
[data-theme="moss"] .modal-form input[type="text"],
[data-theme="moss"] .modal-form input[type="number"],
[data-theme="moss"] .modal-form input[type="date"],
[data-theme="moss"] .modal-form input[type="time"],
[data-theme="moss"] .apple-textarea,
[data-theme="moss"] .components-config-block,
[data-theme="moss"] .import-preview-box {
  background: #ece5cf;
}
[data-theme="moss"] .modal-surface {
  background: #f4efe0;
}
[data-theme="moss"] .sound-track-row {
  background: #ece5cf;
}
[data-theme="moss"] .sound-track-row:hover {
  border-color: rgba(34, 36, 27, 0.16);
}
[data-theme="moss"] .toast-item {
  background: #fdfaf1;
  box-shadow: 0 8px 32px rgba(34, 36, 27, 0.16);
}
[data-theme="moss"] .mobile-nav {
  background: rgba(236, 230, 213, 0.92);
}

[data-theme="moss"] .timer-circle-track {
  stroke: #d5cbaa;
}
[data-theme="moss"] .apple-slider,
[data-theme="moss"] .course-progress-bar {
  background: #d5cbaa;
}
[data-theme="moss"] .apple-slider::-webkit-slider-thumb {
  border-color: rgba(34, 36, 27, 0.12);
  box-shadow: 0 1px 4px rgba(34, 36, 27, 0.2);
}
[data-theme="moss"] .apple-slider::-moz-range-thumb {
  border-color: rgba(34, 36, 27, 0.12);
  box-shadow: 0 1px 4px rgba(34, 36, 27, 0.2);
}

[data-theme="moss"] .pill-btn-secondary {
  background-color: rgba(34, 36, 27, 0.05);
}
[data-theme="moss"] .pill-btn-secondary:hover {
  background-color: rgba(34, 36, 27, 0.09);
  border-color: rgba(34, 36, 27, 0.2);
}
[data-theme="moss"] .chip-btn:hover {
  border-color: rgba(34, 36, 27, 0.25);
}
[data-theme="moss"] .chip-btn.active {
  background: #22241b;
  color: #f4efe0;
  border-color: #22241b;
}
[data-theme="moss"] .btn-card-glyph:hover {
  background: rgba(34, 36, 27, 0.06);
}
[data-theme="moss"] .modal-close-btn:hover {
  background: rgba(34, 36, 27, 0.06);
}
[data-theme="moss"] .apple-course-card:hover {
  border-color: rgba(34, 36, 27, 0.2);
}
[data-theme="moss"] .deadline-row-item:hover {
  background: rgba(34, 36, 27, 0.02);
}
[data-theme="moss"] .apple-checkbox {
  border-color: rgba(34, 36, 27, 0.3);
}
[data-theme="moss"] .nav-link:hover {
  border-color: rgba(34, 36, 27, 0.25);
}
[data-theme="moss"] .footer-year-track {
  background: #d5cbaa;
}
[data-theme="moss"] .keep-composer {
  background: #ece5cf;
}
[data-theme="moss"] .keep-card {
  background: #ece5cf;
}
[data-theme="moss"] .keep-card:hover {
  border-color: rgba(34, 36, 27, 0.2);
}
[data-theme="moss"] .todo-row {
  background: #ece5cf;
}
[data-theme="moss"] .todo-circle {
  border-color: rgba(34, 36, 27, 0.3);
}
[data-theme="moss"] .credit-link {
  background: #ece5cf;
}
[data-theme="moss"] .credit-link:hover {
  border-color: rgba(34, 36, 27, 0.2);
}

/* ==========================================================================
   Tangerine Theme - Claude-style warm paper, ink text, tangerine accent
   ========================================================================== */
[data-theme="tangerine"] {
  color-scheme: light;
  --bg-primary: #f4f1ea;
  --bg-secondary: #e9e3d3;
  --bg-surface: #fdfcf7;
  --bg-surface-subtle: #efe9d8;
  --bg-translucent: rgba(244, 241, 234, 0.85);

  --text-primary: #2a2521;
  --text-secondary: #6b6259;
  --text-tertiary: #8a8175;

  --accent-blue: #c96f4a;
  --accent-blue-hover: #d87f5c;
  --accent-blue-subtle: rgba(201, 111, 74, 0.13);

  --hairline-border: 1px solid rgba(42, 37, 33, 0.1);
  --hairline-border-hover: 1px solid rgba(42, 37, 33, 0.2);
  --hairline-divider: 1px solid rgba(42, 37, 33, 0.07);
}

[data-theme="tangerine"] body {
  transition: background-color 0.15s ease, color 0.15s ease;
}

[data-theme="tangerine"] ::-webkit-scrollbar-track {
  background: #e9e3d3;
}
[data-theme="tangerine"] ::-webkit-scrollbar-thumb {
  background: #cfc3a8;
}
[data-theme="tangerine"] ::-webkit-scrollbar-thumb:hover {
  background: #b3a586;
}
[data-theme="tangerine"] * {
  scrollbar-color: #cfc3a8 #e9e3d3;
}

[data-theme="tangerine"] .segmented-control {
  background: #e3dac4;
}
[data-theme="tangerine"] .seg-btn.active {
  background: #fffdf6;
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(42, 37, 33, 0.14);
}
[data-theme="tangerine"] .meta-chip {
  background: rgba(42, 37, 33, 0.05);
}
[data-theme="tangerine"] .sim-output-badge {
  background: rgba(42, 37, 33, 0.04);
}
[data-theme="tangerine"] .apple-select,
[data-theme="tangerine"] .modal-form input[type="text"],
[data-theme="tangerine"] .modal-form input[type="number"],
[data-theme="tangerine"] .modal-form input[type="date"],
[data-theme="tangerine"] .modal-form input[type="time"],
[data-theme="tangerine"] .apple-textarea {
  background: #fffdf8;
}
[data-theme="tangerine"] .modal-surface .apple-select,
[data-theme="tangerine"] .modal-form input[type="text"],
[data-theme="tangerine"] .modal-form input[type="number"],
[data-theme="tangerine"] .modal-form input[type="date"],
[data-theme="tangerine"] .modal-form input[type="time"],
[data-theme="tangerine"] .apple-textarea,
[data-theme="tangerine"] .components-config-block,
[data-theme="tangerine"] .import-preview-box {
  background: #f2ecdc;
}
[data-theme="tangerine"] .modal-surface {
  background: #fdfcf7;
}
[data-theme="tangerine"] .sound-track-row {
  background: #f2ecdc;
}
[data-theme="tangerine"] .sound-track-row:hover {
  border-color: rgba(42, 37, 33, 0.16);
}
[data-theme="tangerine"] .toast-item {
  background: #fffdf8;
  box-shadow: 0 8px 32px rgba(42, 37, 33, 0.16);
}
[data-theme="tangerine"] .mobile-nav {
  background: rgba(244, 241, 234, 0.92);
}

[data-theme="tangerine"] .timer-circle-track {
  stroke: #ddd2b8;
}
[data-theme="tangerine"] .apple-slider,
[data-theme="tangerine"] .course-progress-bar {
  background: #ddd2b8;
}
[data-theme="tangerine"] .apple-slider::-webkit-slider-thumb {
  border-color: rgba(42, 37, 33, 0.12);
  box-shadow: 0 1px 4px rgba(42, 37, 33, 0.2);
}
[data-theme="tangerine"] .apple-slider::-moz-range-thumb {
  border-color: rgba(42, 37, 33, 0.12);
  box-shadow: 0 1px 4px rgba(42, 37, 33, 0.2);
}

[data-theme="tangerine"] .pill-btn-secondary {
  background-color: rgba(42, 37, 33, 0.05);
}
[data-theme="tangerine"] .pill-btn-secondary:hover {
  background-color: rgba(42, 37, 33, 0.09);
  border-color: rgba(42, 37, 33, 0.2);
}
[data-theme="tangerine"] .pill-btn-primary {
  box-shadow: 0 2px 14px rgba(201, 111, 74, 0.35);
}
[data-theme="tangerine"] .chip-btn:hover {
  border-color: rgba(42, 37, 33, 0.25);
}
[data-theme="tangerine"] .chip-btn.active {
  background: #2a2521;
  color: #fdfcf7;
  border-color: #2a2521;
}
[data-theme="tangerine"] .btn-card-glyph:hover {
  background: rgba(42, 37, 33, 0.06);
}
[data-theme="tangerine"] .modal-close-btn:hover {
  background: rgba(42, 37, 33, 0.06);
}
[data-theme="tangerine"] .apple-course-card:hover {
  border-color: rgba(42, 37, 33, 0.2);
}
[data-theme="tangerine"] .deadline-row-item:hover {
  background: rgba(42, 37, 33, 0.02);
}
[data-theme="tangerine"] .apple-checkbox {
  border-color: rgba(42, 37, 33, 0.3);
}
[data-theme="tangerine"] .nav-link:hover {
  border-color: rgba(42, 37, 33, 0.25);
}
[data-theme="tangerine"] .footer-year-track {
  background: #ddd2b8;
}
[data-theme="tangerine"] .keep-composer {
  background: #f2ecdc;
}
[data-theme="tangerine"] .keep-card {
  background: #f2ecdc;
}
[data-theme="tangerine"] .keep-card:hover {
  border-color: rgba(42, 37, 33, 0.2);
}
[data-theme="tangerine"] .todo-row {
  background: #f2ecdc;
}
[data-theme="tangerine"] .todo-circle {
  border-color: rgba(42, 37, 33, 0.3);
}
[data-theme="tangerine"] .credit-link {
  background: #f2ecdc;
}
[data-theme="tangerine"] .credit-link:hover {
  border-color: rgba(42, 37, 33, 0.2);
}

/* ==========================================================================
   Ghost Theme - monochrome dark, white accent, no color at all
   ========================================================================== */
[data-theme="ghost"] {
  color-scheme: dark;
  --bg-primary: #000000;
  --bg-secondary: #0a0a0c;
  --bg-surface: #101014;
  --bg-surface-subtle: #17171b;
  --bg-translucent: rgba(0, 0, 0, 0.85);

  --text-primary: #ffffff;
  --text-secondary: #c9c9ce;
  --text-tertiary: #8e8e93;

  --accent-blue: #ffffff;
  --accent-blue-hover: #ffffff;
  --accent-blue-subtle: rgba(255, 255, 255, 0.14);

  --hairline-border: 1px solid rgba(255, 255, 255, 0.14);
  --hairline-border-hover: 1px solid rgba(255, 255, 255, 0.24);
  --hairline-divider: 1px solid rgba(255, 255, 255, 0.09);
}

[data-theme="ghost"] .pill-btn-primary {
  color: #000000;
}

[data-theme="ghost"] .apple-checkbox:checked::after {
  border-color: #000000;
}

[data-theme="ghost"] .todo-circle.done svg {
  stroke: #000000;
}

/* ==========================================================================
   Colorblind Theme - high-contrast dark, Okabe-Ito safe palette
   (blue / orange / vermillion / bluish-green: no red-vs-green signalling,
   plus underlines + striped bars so urgency never relies on hue alone)
   ========================================================================== */
[data-theme="colorblind"] {
  color-scheme: dark;
  --bg-primary: #000000;
  --bg-secondary: #0b0b0e;
  --bg-surface: #141419;
  --bg-surface-subtle: #1d1d24;
  --bg-translucent: rgba(0, 0, 0, 0.88);

  --text-primary: #ffffff;
  --text-secondary: #d8d8de;
  --text-tertiary: #b3b3bb;

  --accent-blue: #66aaff;
  --accent-blue-hover: #85bbff;
  --accent-blue-subtle: rgba(102, 170, 255, 0.16);

  --hairline-border: 1px solid rgba(255, 255, 255, 0.22);
  --hairline-border-hover: 1px solid rgba(255, 255, 255, 0.4);
  --hairline-divider: 1px solid rgba(255, 255, 255, 0.14);
}

/* Solid interactive blue that keeps white text readable */
[data-theme="colorblind"] .pill-btn-primary {
  background-color: #005fcc;
  color: #ffffff;
}
[data-theme="colorblind"] .pill-btn-primary:hover {
  background-color: #006fe6;
}
[data-theme="colorblind"] .apple-checkbox:checked {
  background: #005fcc;
  border-color: #005fcc;
}
[data-theme="colorblind"] .todo-circle.done {
  background: #005fcc;
  border-color: #005fcc;
}
[data-theme="colorblind"] .cal-day-today .cal-day-num {
  background: #005fcc;
  color: #ffffff;
}

/* Warning = orange (never yellow-green ambiguity) */
[data-theme="colorblind"] .grade-warn,
[data-theme="colorblind"] .panic-widget.warn .panic-digits {
  color: #E69F00;
  background: rgba(230, 159, 0, 0.14);
}
[data-theme="colorblind"] .panic-widget.warn .panic-digits {
  background: transparent;
}
[data-theme="colorblind"] .deadline-urgency-bar.warning {
  background: #E69F00;
}
[data-theme="colorblind"] .toast-icon.warn {
  background: rgba(230, 159, 0, 0.16);
  color: #E69F00;
}

/* Danger = vermillion (never pure red) + underline cue */
[data-theme="colorblind"] .grade-fail,
[data-theme="colorblind"] .timer-digits-urgent,
[data-theme="colorblind"] .panic-widget.danger .panic-digits {
  color: #E8702A;
}
[data-theme="colorblind"] .grade-fail {
  background: rgba(232, 112, 42, 0.14);
  text-decoration: underline;
  text-underline-offset: 2px;
}
[data-theme="colorblind"] .timer-digits-urgent {
  text-decoration: underline;
  text-underline-offset: 3px;
}
[data-theme="colorblind"] .panic-widget.danger .panic-digits {
  background: transparent;
}
[data-theme="colorblind"] .deadline-urgency-bar.danger {
  background: repeating-linear-gradient(45deg, #E8702A 0 6px, rgba(232, 112, 42, 0.25) 6px 12px);
}
[data-theme="colorblind"] .cal-chip-deadline {
  color: #E8702A;
  background: rgba(232, 112, 42, 0.14);
}
[data-theme="colorblind"] .cal-agenda-tag.deadline {
  color: #E8702A;
  background: rgba(232, 112, 42, 0.14);
}
[data-theme="colorblind"] .btn-remove-row:hover {
  color: #E8702A;
}

/* Success = bluish-green (distinct from vermillion for deuteranopia) */
[data-theme="colorblind"] .grade-secured,
[data-theme="colorblind"] .grade-pass {
  color: #00c389;
  background: rgba(0, 195, 137, 0.12);
}
[data-theme="colorblind"] .toast-icon.success {
  background: rgba(0, 195, 137, 0.14);
  color: #00c389;
}
[data-theme="colorblind"] .todo-circle.done svg {
  stroke: #ffffff;
}

/* Stronger focus ring for low vision */
[data-theme="colorblind"] :focus-visible {
  outline: 3px solid var(--accent-blue);
  outline-offset: 3px;
}

/* ==========================================================================
   Light Theme (toggled via :is([data-theme="light"], [data-theme="colorblind-light"]) on <html>)
   ========================================================================== */
:is([data-theme="light"], [data-theme="colorblind-light"]) {
  color-scheme: light;
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-surface: #ffffff;
  --bg-surface-subtle: #f5f5f7;
  --bg-translucent: rgba(255, 255, 255, 0.82);

  --text-primary: #1d1d1f;
  --text-secondary: #515154;
  --text-tertiary: #6e6e73;

  --hairline-border: 1px solid rgba(0, 0, 0, 0.08);
  --hairline-border-hover: 1px solid rgba(0, 0, 0, 0.18);
  --hairline-divider: 1px solid rgba(0, 0, 0, 0.06);
}

:is([data-theme="light"], [data-theme="colorblind-light"]) body {
  transition: background-color 0.15s ease, color 0.15s ease;
}

/* Scrollbar */
:is([data-theme="light"], [data-theme="colorblind-light"]) ::-webkit-scrollbar-track {
  background: #ececee;
}
:is([data-theme="light"], [data-theme="colorblind-light"]) ::-webkit-scrollbar-thumb {
  background: #c7c7cc;
}
:is([data-theme="light"], [data-theme="colorblind-light"]) ::-webkit-scrollbar-thumb:hover {
  background: #aeaeb2;
}
:is([data-theme="light"], [data-theme="colorblind-light"]) * {
  scrollbar-color: #c7c7cc #ececee;
}

/* Surfaces that use hardcoded dark fills */
:is([data-theme="light"], [data-theme="colorblind-light"]) .segmented-control {
  background: #e8e8ed;
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .seg-btn.active {
  background: #ffffff;
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .meta-chip {
  background: rgba(0, 0, 0, 0.05);
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .sim-output-badge {
  background: rgba(0, 0, 0, 0.04);
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .apple-select,
:is([data-theme="light"], [data-theme="colorblind-light"]) .modal-form input[type="text"],
:is([data-theme="light"], [data-theme="colorblind-light"]) .modal-form input[type="number"],
:is([data-theme="light"], [data-theme="colorblind-light"]) .modal-form input[type="date"],
:is([data-theme="light"], [data-theme="colorblind-light"]) .modal-form input[type="time"],
:is([data-theme="light"], [data-theme="colorblind-light"]) .apple-textarea {
  background: #ffffff;
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .modal-surface .apple-select,
:is([data-theme="light"], [data-theme="colorblind-light"]) .modal-form input[type="text"],
:is([data-theme="light"], [data-theme="colorblind-light"]) .modal-form input[type="number"],
:is([data-theme="light"], [data-theme="colorblind-light"]) .modal-form input[type="date"],
:is([data-theme="light"], [data-theme="colorblind-light"]) .modal-form input[type="time"],
:is([data-theme="light"], [data-theme="colorblind-light"]) .apple-textarea,
:is([data-theme="light"], [data-theme="colorblind-light"]) .components-config-block,
:is([data-theme="light"], [data-theme="colorblind-light"]) .import-preview-box {
  background: #f5f5f7;
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .modal-surface {
  background: #ffffff;
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .sound-track-row {
  background: #f5f5f7;
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .sound-track-row:hover {
  border-color: rgba(0, 0, 0, 0.16);
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .toast-item {
  background: #ffffff;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .mobile-nav {
  background: rgba(251, 251, 253, 0.92);
}

/* Tracks, sliders, progress */
:is([data-theme="light"], [data-theme="colorblind-light"]) .timer-circle-track {
  stroke: #e5e5ea;
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .apple-slider,
:is([data-theme="light"], [data-theme="colorblind-light"]) .course-progress-bar {
  background: #e5e5ea;
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .apple-slider::-webkit-slider-thumb {
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .apple-slider::-moz-range-thumb {
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

/* Buttons & interactive hovers */
:is([data-theme="light"], [data-theme="colorblind-light"]) .pill-btn-secondary {
  background-color: rgba(0, 0, 0, 0.05);
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .pill-btn-secondary:hover {
  background-color: rgba(0, 0, 0, 0.09);
  border-color: rgba(0, 0, 0, 0.2);
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .chip-btn:hover {
  border-color: rgba(0, 0, 0, 0.25);
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .chip-btn.active {
  background: #1d1d1f;
  color: #ffffff;
  border-color: #1d1d1f;
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .btn-card-glyph:hover {
  background: rgba(0, 0, 0, 0.06);
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .modal-close-btn:hover {
  background: rgba(0, 0, 0, 0.06);
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .apple-course-card:hover {
  border-color: rgba(0, 0, 0, 0.2);
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .deadline-row-item:hover {
  background: rgba(0, 0, 0, 0.02);
}
:is([data-theme="light"], [data-theme="colorblind-light"]) .apple-checkbox {
  border-color: rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Colorblind Light - same red-green-safe logic on a bright base
   (surfaces inherited from the Light rules above via :is(); colors below
   are darkened for contrast on white)
   ========================================================================== */
[data-theme="colorblind-light"] {
  color-scheme: light;
  --bg-primary: #f5f5f7;
  --bg-secondary: #ececee;
  --bg-surface: #ffffff;
  --bg-surface-subtle: #f5f5f7;
  --bg-translucent: rgba(251, 251, 253, 0.82);

  --text-primary: #111114;
  --text-secondary: #3d3d45;
  --text-tertiary: #5a5a63;

  --accent-blue: #005fcc;
  --accent-blue-hover: #004fb3;
  --accent-blue-subtle: rgba(0, 95, 204, 0.1);

  --hairline-border: 1px solid rgba(0, 0, 0, 0.16);
  --hairline-border-hover: 1px solid rgba(0, 0, 0, 0.32);
  --hairline-divider: 1px solid rgba(0, 0, 0, 0.09);
}

[data-theme="colorblind-light"] .grade-warn,
[data-theme="colorblind-light"] .panic-widget.warn .panic-digits {
  color: #8a5a00;
  background: rgba(138, 90, 0, 0.1);
}
[data-theme="colorblind-light"] .panic-widget.warn .panic-digits {
  background: transparent;
}
[data-theme="colorblind-light"] .deadline-urgency-bar.warning {
  background: #b87a00;
}
[data-theme="colorblind-light"] .toast-icon.warn {
  background: rgba(138, 90, 0, 0.12);
  color: #8a5a00;
}

[data-theme="colorblind-light"] .grade-fail,
[data-theme="colorblind-light"] .timer-digits-urgent,
[data-theme="colorblind-light"] .panic-widget.danger .panic-digits {
  color: #b33a00;
}
[data-theme="colorblind-light"] .grade-fail {
  background: rgba(179, 58, 0, 0.08);
  text-decoration: underline;
  text-underline-offset: 2px;
}
[data-theme="colorblind-light"] .timer-digits-urgent {
  text-decoration: underline;
  text-underline-offset: 3px;
}
[data-theme="colorblind-light"] .panic-widget.danger .panic-digits {
  background: transparent;
}
[data-theme="colorblind-light"] .deadline-urgency-bar.danger {
  background: repeating-linear-gradient(45deg, #c1440e 0 6px, rgba(193, 68, 14, 0.25) 6px 12px);
}
[data-theme="colorblind-light"] .cal-chip-deadline {
  color: #b33a00;
  background: rgba(179, 58, 0, 0.08);
}
[data-theme="colorblind-light"] .cal-agenda-tag.deadline {
  color: #b33a00;
  background: rgba(179, 58, 0, 0.08);
}
[data-theme="colorblind-light"] .btn-remove-row:hover {
  color: #b33a00;
}

[data-theme="colorblind-light"] .grade-secured,
[data-theme="colorblind-light"] .grade-pass {
  color: #00755a;
  background: rgba(0, 117, 90, 0.08);
}
[data-theme="colorblind-light"] .toast-icon.success {
  background: rgba(0, 117, 90, 0.1);
  color: #00755a;
}

[data-theme="colorblind-light"] :focus-visible {
  outline: 3px solid var(--accent-blue);
  outline-offset: 3px;
}

/* ==========================================================================
   Tritan - blue-yellow safe (tritanopia): no blue/yellow signalling at all.
   Neutrals + red/orange/green (all intact channels) + shape cues.
   ========================================================================== */
[data-theme="tritan"] {
  color-scheme: dark;
  --bg-primary: #000000;
  --bg-secondary: #0c0c0e;
  --bg-surface: #151518;
  --bg-surface-subtle: #1e1e23;
  --bg-translucent: rgba(0, 0, 0, 0.88);

  --text-primary: #ffffff;
  --text-secondary: #d9d9de;
  --text-tertiary: #b4b4bc;

  --accent-blue: #ededf0;
  --accent-blue-hover: #ffffff;
  --accent-blue-subtle: rgba(237, 237, 240, 0.12);

  --hairline-border: 1px solid rgba(255, 255, 255, 0.22);
  --hairline-border-hover: 1px solid rgba(255, 255, 255, 0.4);
  --hairline-divider: 1px solid rgba(255, 255, 255, 0.14);
}

[data-theme="tritan"] .pill-btn-primary {
  background-color: #ededf0;
  color: #000000;
}
[data-theme="tritan"] .pill-btn-primary:hover {
  background-color: #ffffff;
}
[data-theme="tritan"] .apple-checkbox:checked {
  background: #ededf0;
  border-color: #ededf0;
}
[data-theme="tritan"] .apple-checkbox:checked::after {
  border-color: #000000;
}
[data-theme="tritan"] .todo-circle.done {
  background: #ededf0;
  border-color: #ededf0;
}
[data-theme="tritan"] .todo-circle.done svg {
  stroke: #000000;
}
[data-theme="tritan"] .cal-day-today .cal-day-num {
  background: #ededf0;
  color: #000000;
}

/* Warning = orange (yellow is the tritan confusion color) */
[data-theme="tritan"] .grade-warn,
[data-theme="tritan"] .panic-widget.warn .panic-digits {
  color: #ffa726;
  background: rgba(255, 167, 38, 0.14);
}
[data-theme="tritan"] .panic-widget.warn .panic-digits {
  background: transparent;
}
[data-theme="tritan"] .deadline-urgency-bar.warning {
  background: #ffa726;
}
[data-theme="tritan"] .toast-icon.warn {
  background: rgba(255, 167, 38, 0.16);
  color: #ffa726;
}

/* Danger = bright red (fully visible to tritans) + underline cue */
[data-theme="tritan"] .grade-fail,
[data-theme="tritan"] .timer-digits-urgent,
[data-theme="tritan"] .panic-widget.danger .panic-digits {
  color: #ff6b61;
}
[data-theme="tritan"] .grade-fail {
  background: rgba(255, 107, 97, 0.14);
  text-decoration: underline;
  text-underline-offset: 2px;
}
[data-theme="tritan"] .timer-digits-urgent {
  text-decoration: underline;
  text-underline-offset: 3px;
}
[data-theme="tritan"] .panic-widget.danger .panic-digits {
  background: transparent;
}
[data-theme="tritan"] .deadline-urgency-bar.danger {
  background: repeating-linear-gradient(45deg, #ff6b61 0 6px, rgba(255, 107, 97, 0.25) 6px 12px);
}
[data-theme="tritan"] .cal-chip-deadline {
  color: #ff6b61;
  background: rgba(255, 107, 97, 0.14);
}
[data-theme="tritan"] .cal-agenda-tag.deadline {
  color: #ff6b61;
  background: rgba(255, 107, 97, 0.14);
}
[data-theme="tritan"] .btn-remove-row:hover {
  color: #ff6b61;
}

/* Success = green (intact channel for tritans) */
[data-theme="tritan"] .grade-secured,
[data-theme="tritan"] .grade-pass {
  color: #30d158;
  background: rgba(48, 209, 88, 0.12);
}
[data-theme="tritan"] .toast-icon.success {
  background: rgba(48, 209, 88, 0.14);
  color: #30d158;
}

[data-theme="tritan"] :focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
}

/* Smooth crossfade when switching themes */
.theme-anim,
.theme-anim *,
.theme-anim *::before,
.theme-anim *::after {
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, fill 0.15s ease, stroke 0.15s ease !important;
}

/* Minimal import text button */
.import-text-btn {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  padding: 6px 4px;
  white-space: nowrap;
  transition: color var(--transition-fast);
}
.import-text-btn:hover {
  color: var(--text-primary);
}

/* Theme picker menu */
.theme-picker {
  position: relative;
  flex-shrink: 0;
}

.theme-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 172px;
  background: var(--bg-surface);
  border: var(--hairline-border);
  border-radius: 12px;
  padding: 6px;
  z-index: 600;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  display: none;
}

.theme-menu.open {
  display: block;
  animation: modalSlideIn 0.15s var(--ease-apple);
}

.theme-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: transparent;
  border: none;
  border-radius: 8px;
  padding: 8px 10px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.theme-option:hover {
  background: rgba(127, 127, 133, 0.15);
}

.theme-option.active {
  color: var(--accent-blue);
}

.theme-dots {
  display: flex;
  align-items: center;
}

.theme-dots i {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(127, 127, 133, 0.4);
  margin-left: -4px;
}

.theme-dots i:first-child {
  margin-left: 0;
}

/* Theme toggle button */
.theme-toggle-btn {
  width: 30px;
  height: 30px;
  padding: 0;
  flex-shrink: 0;
}
.theme-toggle-btn .icon-svg {
  width: 15px;
  height: 15px;
}