/* ═══════════════════════════════════════════════════════════════
   PDGT Hub · macOS Tahoe Design System
   Central tokens, shell, components — single source of truth
   ═══════════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ── */
:root {
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", system-ui, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", ui-monospace, monospace;

  /* Layout */
  --sb-w: 218px;
  --tb-h: 50px;
  --foot-h: 26px;
  --r-sm: 7px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 18px;
  --r-full: 999px;

  /* Aurora wallpaper */
  --a1: #2a165f;
  --a2: #4f2a95;
  --a3: #1f4b8a;
  --a4: #0f6a7b;
  --a5: #0a0f25;
  --wall:
    radial-gradient(120% 80% at 12% 18%, rgba(95, 58, 180, 0.48) 0%, transparent 58%),
    radial-gradient(95% 70% at 85% 16%, rgba(52, 109, 190, 0.44) 0%, transparent 62%),
    radial-gradient(85% 70% at 78% 84%, rgba(24, 130, 150, 0.38) 0%, transparent 58%),
    radial-gradient(88% 68% at 20% 82%, rgba(38, 22, 88, 0.5) 0%, transparent 62%),
    linear-gradient(145deg, #130a31 0%, var(--a1) 26%, var(--a3) 54%, var(--a4) 78%, #0a1028 100%);

  /* Window / glass */
  --win-bg: rgba(247, 247, 250, 0.965);
  --win-bdr: rgba(0, 0, 0, 0.22);
  --win-shadow: 0 26px 70px rgba(0, 0, 0, 0.28), 0 6px 16px rgba(0, 0, 0, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.55);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-bg-solid: #16132a;
  --glass-bdr: rgba(255, 255, 255, 0.2);
  --glass-hi: rgba(255, 255, 255, 0.42);
  --glass-sh: 0 2px 36px rgba(0, 0, 0, 0.35), 0 6px 16px rgba(0, 0, 0, 0.24);

  /* Titlebar */
  --tb-bg: rgba(239, 239, 243, 0.98);
  --tb-bdr: rgba(0, 0, 0, 0.11);

  /* Sidebar */
  --sb-bg: rgba(224, 224, 230, 0.93);
  --sb-bdr: rgba(0, 0, 0, 0.1);
  --sb-hover: rgba(0, 0, 0, 0.05);
  --sb-active-bg: rgba(110, 93, 216, 0.11);
  --sb-active-c: #4e42a8;

  /* Main content area */
  --main-bg: rgba(252, 252, 254, 0.72);

  /* Cards & surfaces */
  --card: rgba(255, 255, 255, 0.965);
  --card-bdr: rgba(15, 23, 42, 0.08);
  --card-sh: 0 1px 2px rgba(15, 23, 42, 0.06), 0 3px 8px rgba(15, 23, 42, 0.04);
  --card-sh-h: 0 6px 18px rgba(15, 23, 42, 0.09), 0 12px 30px rgba(15, 23, 42, 0.06);
  --panel: rgba(255, 255, 255, 0.975);
  --panel2: rgba(246, 246, 250, 0.92);

  /* Typography */
  --t1: #18181b;
  --t2: #3f3f46;
  --t3: #71717a;
  --t4: #a1a1aa;

  /* Brand accents */
  --purple: #6e5dd8;
  --purple-d: #5040b5;
  --purple-l: rgba(110, 93, 216, 0.1);
  --amber: #c96a0a;
  --amber-d: #92400E;
  --amber-l: rgba(201, 106, 10, 0.1);
  --teal: #0D9488;
  --teal-l: rgba(13, 148, 136, 0.1);
  --blue: #2563EB;
  --blue-l: rgba(37, 99, 235, 0.1);
  --green: #16A34A;
  --green-l: rgba(22, 163, 74, 0.1);
  --rose: #E11D48;
  --rose-l: rgba(225, 29, 72, 0.1);
  --cyan: #0891B2;
  --cyan-l: rgba(8, 145, 178, 0.1);

  /* Forms */
  --field-bg: rgba(0, 0, 0, 0.05);
  --field-bdr: rgba(0, 0, 0, 0.12);
  --field-focus-bdr: rgba(108, 71, 208, 0.7);
  --field-focus-sh: 0 0 0 3px rgba(108, 71, 208, 0.18);

  /* Status */
  --error: #DC2626;
  --error-bg: rgba(220, 38, 38, 0.08);
  --error-bdr: rgba(220, 38, 38, 0.25);
  --success: #0D9488;
  --success-bg: rgba(13, 148, 136, 0.1);

  /* Traffic lights */
  --tl-r: #FF5F57;
  --tl-y: #FEBC2E;
  --tl-g: #28C840;

  /* Motion */
  --ease: cubic-bezier(0.2, 0, 0, 1);
  --spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  --dur-fast: 0.12s;
  --dur: 0.25s;
  --dur-slow: 0.4s;
  --dur-route: 0.16s;
  --dur-press: 0.08s;

  /* Login window */
  --win-w: 420px;
  --win-r: 20px;
}

[data-theme="dark"] {
  --a1: #241353;
  --a2: #4b268f;
  --a3: #19467f;
  --a4: #0b5c6c;
  --a5: #050410;
  --wall:
    radial-gradient(120% 78% at 14% 20%, rgba(82, 45, 170, 0.42) 0%, transparent 56%),
    radial-gradient(92% 68% at 86% 14%, rgba(39, 102, 178, 0.36) 0%, transparent 60%),
    radial-gradient(80% 66% at 76% 84%, rgba(19, 116, 130, 0.3) 0%, transparent 56%),
    radial-gradient(82% 64% at 18% 84%, rgba(28, 16, 66, 0.48) 0%, transparent 60%),
    linear-gradient(145deg, #0f0828 0%, var(--a1) 26%, var(--a3) 54%, var(--a4) 78%, #060a1c 100%);

  --win-bg: rgba(22, 22, 26, 0.985);
  --win-bdr: rgba(255, 255, 255, 0.1);
  --win-shadow: 0 26px 70px rgba(0, 0, 0, 0.55), 0 6px 16px rgba(0, 0, 0, 0.36), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  --glass-bg: rgba(255, 255, 255, 0.065);
  --glass-bg-solid: #16132a;
  --glass-bdr: rgba(255, 255, 255, 0.2);
  --glass-hi: rgba(255, 255, 255, 0.42);
  --glass-sh: 0 2px 36px rgba(0, 0, 0, 0.46), 0 6px 16px rgba(0, 0, 0, 0.3);

  --tb-bg: rgba(28, 28, 33, 0.995);
  --tb-bdr: rgba(255, 255, 255, 0.07);
  --sb-bg: rgba(36, 36, 41, 0.96);
  --sb-bdr: rgba(255, 255, 255, 0.07);
  --sb-hover: rgba(255, 255, 255, 0.05);
  --sb-active-bg: rgba(140, 120, 245, 0.14);
  --sb-active-c: #b0a0ff;
  --main-bg: rgba(10, 10, 12, 0.24);

  --card: rgba(36, 36, 41, 0.965);
  --card-bdr: rgba(255, 255, 255, 0.09);
  --card-sh: 0 1px 2px rgba(0, 0, 0, 0.34), 0 3px 8px rgba(0, 0, 0, 0.25);
  --card-sh-h: 0 6px 18px rgba(0, 0, 0, 0.4), 0 12px 30px rgba(0, 0, 0, 0.3);
  --panel: rgba(30, 30, 34, 0.985);
  --panel2: rgba(39, 39, 45, 0.95);

  --t1: rgba(255, 255, 255, 0.94);
  --t2: rgba(255, 255, 255, 0.69);
  --t3: rgba(255, 255, 255, 0.45);
  --t4: rgba(255, 255, 255, 0.24);

  --purple: #a292ff;
  --purple-d: #c0b2ff;
  --purple-l: rgba(162, 146, 255, 0.14);
  --amber: #F59E0B;
  --amber-l: rgba(245, 158, 11, 0.12);
  --teal: #34D399;
  --teal-l: rgba(52, 211, 153, 0.12);
  --blue: #60A5FA;
  --blue-l: rgba(96, 165, 250, 0.12);
  --green: #4ADE80;
  --green-l: rgba(74, 222, 128, 0.12);
  --rose: #FB7185;
  --rose-l: rgba(251, 113, 133, 0.12);
  --cyan: #22D3EE;
  --cyan-l: rgba(34, 211, 238, 0.12);

  --field-bg: rgba(255, 255, 255, 0.07);
  --field-bdr: rgba(255, 255, 255, 0.14);
  --field-focus-bdr: rgba(155, 125, 245, 0.7);
  --field-focus-sh: 0 0 0 3px rgba(155, 125, 245, 0.25);

  --error: #FF6B6B;
  --error-bg: rgba(255, 107, 107, 0.12);
  --error-bdr: rgba(255, 107, 107, 0.3);
}

/* Wallpaper presets */
[data-wall="tahoe"] {
  --a1: #2a165f;
  --a2: #4f2a95;
  --a3: #1f4b8a;
  --a4: #0f6a7b;
  --a5: #0a0f25;
  --wall:
    radial-gradient(120% 80% at 12% 18%, rgba(95, 58, 180, 0.48) 0%, transparent 58%),
    radial-gradient(95% 70% at 85% 16%, rgba(52, 109, 190, 0.44) 0%, transparent 62%),
    radial-gradient(85% 70% at 78% 84%, rgba(24, 130, 150, 0.38) 0%, transparent 58%),
    radial-gradient(88% 68% at 20% 82%, rgba(38, 22, 88, 0.5) 0%, transparent 62%),
    linear-gradient(145deg, #130a31 0%, var(--a1) 26%, var(--a3) 54%, var(--a4) 78%, #0a1028 100%);
}

[data-wall="sunset"] {
  --a1: #4e1f62;
  --a2: #8a2f74;
  --a3: #c04b5e;
  --a4: #f07b49;
  --a5: #2a1029;
  --wall:
    radial-gradient(120% 82% at 14% 16%, rgba(150, 54, 130, 0.45) 0%, transparent 58%),
    radial-gradient(100% 76% at 86% 18%, rgba(202, 84, 98, 0.42) 0%, transparent 60%),
    radial-gradient(84% 68% at 74% 86%, rgba(242, 129, 86, 0.38) 0%, transparent 56%),
    radial-gradient(86% 66% at 18% 84%, rgba(70, 24, 78, 0.5) 0%, transparent 60%),
    linear-gradient(148deg, #2b1134 0%, var(--a1) 26%, var(--a2) 48%, var(--a3) 70%, #6a253a 100%);
}

[data-wall="mint"] {
  --a1: #143f58;
  --a2: #1f7a7a;
  --a3: #2f9a93;
  --a4: #5bbf9f;
  --a5: #0c2433;
  --wall:
    radial-gradient(118% 78% at 12% 20%, rgba(45, 145, 140, 0.44) 0%, transparent 58%),
    radial-gradient(96% 72% at 84% 14%, rgba(58, 170, 160, 0.4) 0%, transparent 60%),
    radial-gradient(82% 66% at 76% 84%, rgba(103, 194, 165, 0.34) 0%, transparent 56%),
    radial-gradient(86% 68% at 22% 82%, rgba(20, 60, 86, 0.5) 0%, transparent 60%),
    linear-gradient(145deg, #0a2535 0%, var(--a1) 28%, var(--a2) 52%, var(--a3) 74%, #173a4b 100%);
}

[data-theme="dark"][data-wall="tahoe"] {
  --a5: #050410;
}
[data-theme="dark"][data-wall="sunset"] {
  --a5: #160a16;
}
[data-theme="dark"][data-wall="mint"] {
  --a5: #06131a;
}

/* Login pages default dark-first glass */
[data-page="login"] {
  --t1: rgba(255, 255, 255, 0.92);
  --t2: rgba(255, 255, 255, 0.6);
  --t3: rgba(255, 255, 255, 0.35);
  --t4: rgba(255, 255, 255, 0.18);
  --field-bg: rgba(255, 255, 255, 0.07);
  --field-bdr: rgba(255, 255, 255, 0.14);
  --field-focus-bdr: rgba(155, 125, 245, 0.7);
  --field-focus-sh: 0 0 0 3px rgba(155, 125, 245, 0.25);
}

[data-page="login"][data-theme="light"] {
  --a1: #2a1060;
  --a2: #0f1e5c;
  --a3: #0d3050;
  --a4: #3a1260;
  --a5: #180a38;
  --glass-bg: rgba(250, 248, 255, 0.92);
  --glass-bg-solid: #f0ecfa;
  --glass-bdr: rgba(0, 0, 0, 0.18);
  --glass-hi: rgba(255, 255, 255, 0.7);
  --glass-sh: 0 2px 80px rgba(0, 0, 0, 0.28), 0 8px 24px rgba(0, 0, 0, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  --tb-bg: rgba(238, 234, 252, 0.95);
  --tb-bdr: rgba(0, 0, 0, 0.1);
  --t1: rgba(18, 8, 44, 0.92);
  --t2: rgba(60, 40, 120, 0.72);
  --t3: rgba(100, 80, 160, 0.52);
  --t4: rgba(140, 120, 200, 0.32);
  --purple: #6C47D0;
  --purple-d: #4828A8;
  --field-bg: rgba(0, 0, 0, 0.05);
  --field-bdr: rgba(0, 0, 0, 0.12);
  --field-focus-bdr: rgba(108, 71, 208, 0.7);
  --field-focus-sh: 0 0 0 3px rgba(108, 71, 208, 0.18);
  --error: #DC2626;
  --error-bg: rgba(220, 38, 38, 0.08);
  --error-bdr: rgba(220, 38, 38, 0.25);
}

/* Admin accent override */
[data-page="admin"] {
  --purple: var(--amber, #c96a0a);
  --purple-d: var(--amber-d, #92400E);
  --purple-l: var(--amber-l, rgba(201, 106, 10, 0.1));
  --sb-active-bg: rgba(201, 106, 10, 0.13);
  --sb-active-c: var(--amber-d);
}

[data-page="admin"][data-theme="dark"] {
  --purple: #F59E0B;
  --purple-d: #FCD34D;
  --purple-l: rgba(245, 158, 11, 0.12);
  --sb-active-bg: rgba(245, 158, 11, 0.16);
  --sb-active-c: #F59E0B;
}

/* ── RESET & BASE ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font);
  background: var(--wall);
  background-size: 400% 400%;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  color: var(--t1);
  transition: background var(--dur-slow), color var(--dur-slow);
  overflow-x: hidden;
}

body.tahoe-app {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
  overflow: hidden;
  animation: wallDrift 22s ease infinite;
}

body.tahoe-login {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(24px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
  overflow: hidden;
  background: var(--a5);
}

body.tahoe-admin {
  display: flex;
  min-height: 100vh;
  padding: 0;
  overflow: hidden;
  animation: none;
  background: var(--wall);
}

@media (max-width: 768px) {
  body.tahoe-app {
    padding: 0;
    overflow: auto;
  }
}

@keyframes wallDrift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.material-symbols-rounded {
  font-family: 'Material Symbols Rounded';
  font-weight: normal;
  font-style: normal;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  user-select: none;
  pointer-events: none;
  vertical-align: middle;
}

.msf, .ms-fill {
  font-variation-settings: 'FILL' 1, 'wght' 500, 'GRAD' 0, 'opsz' 24;
}

button, a {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--field-focus-bdr);
  outline-offset: 2px;
}

/* ── AURORA BACKGROUND ── */
.aurora {
  position: fixed;
  inset: -20%;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 60% at 15% 25%, var(--a1) 0%, transparent 70%),
    radial-gradient(ellipse 55% 50% at 85% 15%, var(--a2) 0%, transparent 65%),
    radial-gradient(ellipse 60% 55% at 75% 80%, var(--a3) 0%, transparent 65%),
    radial-gradient(ellipse 50% 45% at 25% 80%, var(--a4) 0%, transparent 60%),
    var(--a5);
}

.aurora-band, .aband, .ab {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(80px);
  mix-blend-mode: screen;
  animation: bandFloat ease-in-out infinite;
}

.b1, .ab1 { width: 70vw; height: 40vh; top: -10vh; left: -10vw; background: rgba(108, 71, 208, 0.18); animation-duration: 18s; }
.b2, .ab2 { width: 60vw; height: 35vh; bottom: -5vh; right: -5vw; background: rgba(13, 148, 136, 0.14); animation-duration: 22s; animation-delay: -8s; }
.b3, .ab3 { width: 45vw; height: 30vh; top: 30%; left: 30%; background: rgba(180, 80, 220, 0.1); animation-duration: 28s; animation-delay: -14s; }

@keyframes bandFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(3vw, -3vh) scale(1.06); }
  66% { transform: translate(-2vw, 4vh) scale(0.96); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@keyframes winIn {
  from { opacity: 0; transform: scale(0.95) translateY(14px); }
  to { opacity: 1; transform: none; }
}

@keyframes routeIn {
  from { opacity: 0; transform: translateY(8px) scale(0.995); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ── APP WINDOW SHELL ── */
.win {
  position: relative;
  z-index: 10;
  width: min(100%, 1280px);
  height: min(calc(100vh - 44px), 800px);
  background: var(--win-bg);
  backdrop-filter: saturate(200%) blur(44px);
  -webkit-backdrop-filter: saturate(200%) blur(44px);
  border: 1px solid var(--win-bdr);
  border-radius: var(--r-md);
  box-shadow: var(--win-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background var(--dur-slow), border-color var(--dur-slow), box-shadow var(--dur-slow);
}

body.route-enter .main,
body.route-enter .notes-app #main,
body.route-enter .exam-app .main,
body.route-enter .arcade-main main {
  animation: routeIn var(--dur-route) var(--ease) both;
}

body.route-leave .main,
body.route-leave .notes-app #main,
body.route-leave .exam-app .main,
body.route-leave .arcade-main main {
  opacity: 0;
  transform: translateY(6px) scale(0.996);
  transition: opacity var(--dur-route) var(--ease), transform var(--dur-route) var(--ease);
}

.win::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--r-md);
  padding: 1px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.5) 0%, rgba(180, 120, 255, 0.35) 25%, rgba(80, 220, 255, 0.25) 50%, rgba(255, 140, 200, 0.2) 75%, rgba(255, 255, 255, 0.3) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  pointer-events: none;
}

.win--login {
  width: min(var(--win-w), 100%);
  height: auto;
  border-radius: var(--win-r);
  background: var(--glass-bg);
  backdrop-filter: blur(80px) saturate(200%);
  -webkit-backdrop-filter: blur(80px) saturate(200%);
  border: 1px solid var(--glass-bdr);
  box-shadow: var(--glass-sh), inset 0 1.5px 0 var(--glass-hi), inset 0 -1px 0 rgba(255, 255, 255, 0.05);
  animation: winIn 0.55s var(--spring) both;
}

.win--login::before {
  border-radius: var(--win-r);
}

.win--fullscreen {
  width: 100vw;
  height: 100dvh;
  border-radius: 0;
  border: none;
  box-shadow: none;
}

@media (max-width: 768px) {
  .win {
    width: 100vw;
    height: 100dvh;
    border-radius: 0;
    border: none;
    box-shadow: none;
  }
  .win::before { display: none; }
}

/* ── TITLEBAR ── */
.tb {
  height: var(--tb-h);
  flex-shrink: 0;
  background: var(--tb-bg);
  border-bottom: 1px solid var(--tb-bdr);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 10px;
  user-select: none;
  transition: background var(--dur-slow), border-color var(--dur-slow);
  position: relative;
}

.tls {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  z-index: 1;
}

.tl {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 7px;
  font-weight: 800;
  color: transparent;
  cursor: pointer;
  transition: filter 0.15s, color 0.15s;
}

.tls:hover .tl { color: rgba(0, 0, 0, 0.5); }
.tl:hover { filter: brightness(0.8); }
.tl-r { background: var(--tl-r); }
.tl-y { background: var(--tl-y); }
.tl-g { background: var(--tl-g); }

.tb-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.tb-app-icon, .tb-app-ic {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  background: var(--purple-l);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tb-app-icon .material-symbols-rounded,
.tb-app-ic .material-symbols-rounded {
  font-size: 12px;
  color: var(--purple);
}

.tb-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--t2);
  letter-spacing: -0.1px;
  white-space: nowrap;
  display: inline-block;
  max-width: min(62vw, 520px);
  overflow: hidden;
  text-overflow: ellipsis;
}

.tb-spacer { flex: 1; }
.tb-right { display: flex; align-items: center; gap: 6px; position: relative; z-index: 240; }

.search-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  background: rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 7px;
  cursor: pointer;
  min-width: 150px;
  transition: background 0.15s, transform var(--dur-press) var(--ease);
}

[data-theme="dark"] .search-pill {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
}

.search-pill:hover { background: rgba(0, 0, 0, 0.1); }
[data-theme="dark"] .search-pill:hover { background: rgba(255, 255, 255, 0.13); }
.search-pill:active { transform: scale(0.98); }
.search-pill .material-symbols-rounded { font-size: 13px; color: var(--t3); }
.search-pill span { font-size: 12px; color: var(--t3); flex: 1; }
.search-pill kbd {
  font-size: 10px;
  color: var(--t4);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  padding: 0 4px;
  font-family: var(--font);
}

[data-theme="dark"] .search-pill kbd { border-color: rgba(255, 255, 255, 0.12); }

.tb-btn {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--t2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, transform var(--dur-press) var(--ease);
}

#themeBtn.theme-pill {
  width: 46px;
  height: 26px;
  border-radius: 999px;
  padding: 2px;
  background: #d4d9e0;
  border: 1px solid rgba(15, 23, 42, 0.14);
  justify-content: flex-start;
  position: relative;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.55);
}
[data-theme="dark"] #themeBtn.theme-pill {
  background: #4a525f;
  border-color: rgba(255, 255, 255, 0.2);
}
#themeBtn.theme-pill .material-symbols-rounded {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
  background: radial-gradient(circle at 35% 30%, #ffffff 0%, #f3f4f6 60%, #e5e7eb 100%);
  color: transparent;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.22), inset 0 -1px 0 rgba(0, 0, 0, 0.08);
  transform: translateX(0);
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
#themeBtn.theme-pill .material-symbols-rounded::after {
  content: "";
  width: 8px;
  height: 2px;
  border-radius: 999px;
  background: rgba(156, 163, 175, 0.65);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
}

@media (max-width: 768px) {
  #themeBtn.theme-pill {
    width: 36px !important;
    height: 20px !important;
    border-radius: 999px;
    padding: 2px !important;
  }

  #themeBtn.theme-pill .material-symbols-rounded {
    width: 14px !important;
    height: 14px !important;
    font-size: 0 !important;
  }
  #themeBtn.theme-pill .material-symbols-rounded::after {
    width: 6px;
    height: 1px;
  }
  #themeBtn.theme-pill[aria-pressed="true"] .material-symbols-rounded {
    transform: translateX(14px);
  }
}
#themeBtn.theme-pill[aria-pressed="true"] {
  background: #30b95a;
  border-color: rgba(20, 133, 45, 0.35);
}
#themeBtn.theme-pill[aria-pressed="true"] .material-symbols-rounded {
  transform: translateX(20px);
}
#themeBtn.theme-pill:active,
#themeBtn.theme-pill.theme-just-toggled,
[data-theme="dark"] #themeBtn.theme-pill[aria-pressed="true"] {
  border-color: rgba(20, 133, 45, 0.45);
  box-shadow: 0 0 0 2px rgba(52, 199, 89, 0.22);
}
.tb-btn:hover { background: rgba(0, 0, 0, 0.08); }
[data-theme="dark"] .tb-btn:hover { background: rgba(255, 255, 255, 0.1); }
.tb-btn:active { transform: scale(0.96); }
.tb-btn .material-symbols-rounded { font-size: 16px; }

.ham { display: none; }
@media (max-width: 768px) { .ham { display: flex; } }
@media (max-width: 500px) {
  .tb-center {
    display: flex;
    max-width: min(46vw, 220px);
    gap: 6px;
  }
  .tb-app-icon, .tb-app-ic {
    display: none;
  }
  .tb-title {
    font-size: 11.5px;
    max-width: min(46vw, 220px);
  }
}
@media (max-width: 380px) {
  .tb-center {
    max-width: min(40vw, 170px);
  }
  .tb-title {
    font-size: 11px;
    max-width: min(40vw, 170px);
  }
}
@media (max-width: 580px) { .search-pill { display: none; } }
@media (max-width: 1024px) {
  .tb-title { max-width: min(54vw, 420px); }
}

/* ── BODY LAYOUT ── */
.body, .body-area {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

/* ── SIDEBAR ── */
.sb, .sidebar {
  width: var(--sb-w);
  min-width: var(--sb-w);
  max-width: var(--sb-w);
  flex: 0 0 var(--sb-w);
  background: var(--sb-bg);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border-right: 1px solid var(--sb-bdr);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
  transition: background var(--dur-slow), border-color var(--dur-slow), transform 0.28s var(--ease);
}

@media (max-width: 768px) {
  .sb, .sidebar {
    min-width: 0;
    max-width: none;
    flex: initial;
    position: fixed;
    top: var(--tb-h);
    left: 0;
    bottom: 0;
    z-index: 90;
    transform: translateX(-100%);
    box-shadow: 6px 0 28px rgba(0, 0, 0, 0.22);
    padding-bottom: max(8px, env(safe-area-inset-bottom));
  }
  .sb.open, .sidebar.open { transform: translateX(0); }
}

.sb::-webkit-scrollbar, .sidebar::-webkit-scrollbar { width: 0; }

.sb-brand, .sidebar-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 14px 14px 10px;
  flex-shrink: 0;
}

.sb-bmark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--purple-l);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sb-bmark .material-symbols-rounded { font-size: 14px; color: var(--purple); }

.sb-bname {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: -0.2px;
  color: var(--t1);
  transition: color var(--dur-slow);
}

.sb-bname em { color: var(--purple); font-style: normal; }

.sb-lbl, .nav-section-label {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--t3);
  padding: 8px 14px 4px;
  transition: color var(--dur-slow);
}

.sb-item, .nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 32px;
  padding: 5px 10px;
  border-radius: var(--r-sm);
  margin: 1px 6px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font);
  font-size: 13.5px;
  font-weight: 400;
  color: var(--t1);
  text-decoration: none;
  transition: background var(--dur-fast), color var(--dur-fast), transform var(--dur-fast) var(--ease);
}

.sb-item:hover, .nav-item:hover { background: var(--sb-hover); }
.sb-item.act, .nav-item.active { background: var(--sb-active-bg); color: var(--sb-active-c); font-weight: 600; }
/* Mod Belajar / nav — keep per-mode icon accent when row is active */
.sb-item > .material-symbols-rounded.msf:first-child {
  flex-shrink: 0;
}
.sb-item.act > .material-symbols-rounded.msf:first-child[style*="color"] {
  opacity: 1;
}
.sb-item .material-symbols-rounded, .nav-item .material-symbols-rounded { font-size: 15px; width: 17px; flex-shrink: 0; }
.sb-item-subj {
  align-items: flex-start;
  min-height: 48px;
  padding-top: 6px;
  padding-bottom: 6px;
}
.sb-item-subj .material-symbols-rounded {
  margin-top: 2px;
}
.sb-subj-label {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.2;
  flex: 1;
}
.sb-subj-code {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.25px;
  color: inherit;
}
.sb-subj-name {
  font-size: 10.5px;
  color: var(--t3);
  white-space: normal;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.sb-item.act .sb-subj-name {
  color: var(--sb-active-c);
  opacity: 0.85;
}

.sb-badge {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 600;
  background: rgba(0, 0, 0, 0.07);
  color: var(--t3);
  border-radius: 20px;
  padding: 1px 7px;
}
.sb-item-subj .sb-badge {
  margin-top: 2px;
}

[data-theme="dark"] .sb-badge { background: rgba(255, 255, 255, 0.1); }

.sb-div {
  height: 1px;
  background: var(--sb-bdr);
  margin: 6px 10px;
  flex-shrink: 0;
}

.sb-spacer { flex: 1; }

.sb-prog { padding: 6px 14px 10px; }
.sb-prog-row {
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--t2);
  margin-bottom: 5px;
}

.sb-prog-row span { color: var(--purple); font-weight: 600; }

.sb-track, .prog-track {
  height: 3px;
  border-radius: var(--r-full);
  background: rgba(0, 0, 0, 0.09);
  overflow: hidden;
  transition: background var(--dur-slow);
}

[data-theme="dark"] .sb-track, [data-theme="dark"] .prog-track { background: rgba(255, 255, 255, 0.1); }

.sb-fill, .prog-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--purple), var(--teal));
  width: 0%;
  transition: width 1s var(--ease);
}

.sb-profile { padding: 8px 10px 6px; flex-shrink: 0; }

.sp {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 10px;
  background: var(--sb-hover);
  text-decoration: none;
  color: var(--t1);
  cursor: pointer;
  transition: background 0.15s;
}

.sp:hover { background: rgba(0, 0, 0, 0.1); }
[data-theme="dark"] .sp:hover { background: rgba(255, 255, 255, 0.1); }

.sp-av, .sb-avatar {
  width: 30px;
  height: 30px;
  border-radius: var(--r-sm);
  background: var(--purple-l);
  border: 1.5px solid rgba(108, 71, 208, 0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}

.sp-info { flex: 1; min-width: 0; }
.sp-name { font-size: 12.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sp-sub { font-size: 11px; color: var(--t3); margin-top: 1px; }
.sp-sync {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid var(--card-bdr);
  background: var(--panel2);
  color: var(--t2);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.2;
}
.sp-ch .material-symbols-rounded { font-size: 14px; color: var(--t3); }

.sb-scrim {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 55;
  background: rgba(0, 0, 0, 0.38);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s;
}

@media (max-width: 768px) {
  .sb-scrim {
    display: block;
    position: fixed;
    top: var(--tb-h);
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 80;
  }
  /* Freeze background scrollers while the drawer is open (no scroll-bleed) */
  body.sb-locked .main,
  body.sb-locked .notes-app .main,
  body.sb-locked .notes-app #main,
  body.sb-locked .exam-app .main,
  body.sb-locked .arcade-main main { overflow: hidden; touch-action: none; }
}
.sb-scrim.on { opacity: 1; pointer-events: auto; }

/* Sidebar contextual widgets */
.xp-card {
  margin: 0 10px 8px;
  padding: 12px;
  border-radius: 10px;
  background: var(--purple-l);
  border: 1px solid rgba(108, 71, 208, 0.25);
}

.xp-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.xp-val { font-size: 20px; font-weight: 700; letter-spacing: -0.4px; color: var(--purple); }
.xp-streak { display: flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600; color: var(--t2); }
.xp-bar-track { height: 4px; border-radius: var(--r-full); background: rgba(108, 71, 208, 0.2); overflow: hidden; }
.xp-bar-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--purple-d), var(--teal)); transition: width 1s var(--ease); }
.xp-lbl { font-size: 10.5px; color: var(--t3); margin-top: 4px; display: flex; justify-content: space-between; }

.quest-card {
  margin: 0 10px 6px;
  padding: 10px;
  border-radius: 10px;
  background: var(--sb-hover);
  border: 1px solid var(--sb-bdr);
}
.quest-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
}
.quest-head-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.quest-title {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--t1);
  line-height: 1.2;
}
.quest-sub {
  font-size: 10.5px;
  color: var(--t3);
  margin-top: 1px;
}
.quest-xp {
  flex-shrink: 0;
  font-size: 10px;
  color: var(--purple);
  font-weight: 700;
  letter-spacing: 0.25px;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--purple) 26%, transparent);
  background: color-mix(in srgb, var(--purple) 12%, transparent);
  padding: 2px 7px;
}
.quest-progress {
  height: 4px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--t3) 22%, transparent);
  overflow: hidden;
  margin-bottom: 8px;
}
.quest-progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--purple), var(--teal));
  transition: width 360ms var(--ease);
}
.quest-list {
  display: grid;
  gap: 4px;
}
.quest-item {
  display: grid;
  grid-template-columns: 20px 1fr 16px;
  gap: 7px;
  align-items: center;
  min-height: 27px;
  color: var(--t2);
  font-size: 11px;
  border-radius: 7px;
  padding: 2px 4px;
}
.quest-lbl {
  line-height: 1.25;
}
.quest-ic-wrap {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--t3) 20%, transparent);
}
.quest-item.done {
  color: var(--t1);
  background: color-mix(in srgb, var(--green) 10%, transparent);
}
.quest-item.done .quest-ic-wrap {
  background: color-mix(in srgb, var(--green) 18%, transparent);
}
.quest-ic,
.quest-st {
  font-size: 14px;
  color: var(--t3);
}
.quest-item.done .quest-st {
  color: var(--green);
}

.quest-item.quest-pop {
  animation: questPop 380ms var(--spring);
}

@keyframes questPop {
  0% { transform: scale(1); }
  35% { transform: scale(1.03); background: color-mix(in srgb, var(--green) 18%, transparent); }
  100% { transform: scale(1); }
}

.sb-hero {
  padding: 18px 14px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--sb-bdr);
}

.sb-avatar { width: 60px; height: 60px; border-radius: var(--r-lg); font-size: 30px; }

.sb-empty {
  padding: 8px 14px 10px;
  font-size: 11px;
  color: var(--t3);
  line-height: 1.45;
}

.sb-mini-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 0 10px 8px;
}

.sb-mini-stat {
  padding: 10px;
  border-radius: 10px;
  background: var(--sb-hover);
  border: 1px solid var(--sb-bdr);
  text-align: center;
}

.sb-mini-val {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--purple);
  letter-spacing: -0.3px;
}

.sb-mini-lbl {
  display: block;
  font-size: 10px;
  color: var(--t3);
  margin-top: 2px;
  font-weight: 600;
}

.sb-recent-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 1px;
}

.sb-recent-title {
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sb-recent-sub {
  font-size: 10.5px;
  color: var(--t3);
}

.notes-sb-context {
  border-top: 1px solid var(--sb-bdr);
  margin-top: 8px;
  padding-top: 8px;
}

.notes-sb-panel .notes-sb-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--t2);
  padding: 0 14px 8px;
  line-height: 1.4;
}

.notes-sb-links .sb-item {
  font-size: 12.5px;
}

.sb-level {
  padding: 10px 14px;
  border-bottom: 1px solid var(--sb-bdr);
}

.sb-lv-label {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 600;
  color: var(--t2);
  margin-bottom: 6px;
}

.sb-lv-track {
  height: 5px;
  border-radius: var(--r-full);
  background: var(--sb-track, rgba(0,0,0,.08));
  overflow: hidden;
}

.sb-lv-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--purple-d), var(--teal));
  transition: width .8s var(--ease);
}

.sb-lv-sub {
  display: flex;
  justify-content: space-between;
  font-size: 10.5px;
  color: var(--t3);
  margin-top: 4px;
}

.sb-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 10px 14px 12px;
  border-bottom: 1px solid var(--sb-bdr);
}

.sb-stat {
  text-align: center;
  padding: 8px;
  border-radius: 10px;
  background: var(--sb-hover);
}

.sb-stat-val {
  font-size: 18px;
  font-weight: 700;
  color: var(--t1);
}

.sb-stat-lbl {
  font-size: 10px;
  color: var(--t3);
  margin-top: 2px;
}

.sb-display-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--t1);
  text-align: center;
}

.sb-email {
  font-size: 11px;
  color: var(--t3);
  text-align: center;
}

.sb-rank {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--purple);
  padding: 4px 10px;
  border-radius: var(--r-full);
  background: var(--purple-l);
}

.sb-logout {
  color: #e74c3c !important;
}

/* Exam live sidebar */
.exam-lobby-card,
.exam-live-card,
.exam-result-card {
  margin: 0 10px 8px;
  padding: 12px;
  border-radius: 10px;
  background: var(--sb-hover);
  border: 1px solid var(--sb-bdr);
}

.exam-lobby-mode,
.exam-live-mode {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--r-full);
  margin-bottom: 8px;
}

.exam-lobby-mode,
.exam-live-mode.learn { background: rgba(34, 197, 94, 0.15); color: #16a34a; }
.exam-live-mode.final { background: rgba(217, 119, 6, 0.15); color: var(--amber); }

.exam-lobby-row,
.exam-live-subj {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--t1);
  margin-bottom: 4px;
}

.exam-lobby-meta {
  font-size: 11px;
  color: var(--t3);
}

.exam-live-timer {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--t1);
  margin: 8px 0 10px;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.04);
}

.exam-live-timer.warn { color: #dc2626; background: rgba(220, 38, 38, 0.1); }

.exam-live-prog { padding: 0 !important; margin-bottom: 10px; }

.sb-exam-palette {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
  padding: 0 10px 8px;
}

.sb-exam-q {
  min-height: 28px;
  border: 1px solid var(--sb-bdr);
  border-radius: 7px;
  background: var(--main-bg);
  color: var(--t2);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.sb-exam-q.answered { background: rgba(34, 197, 94, 0.12); border-color: rgba(34, 197, 94, 0.35); color: #16a34a; }
.sb-exam-q.current { background: var(--purple-l); border-color: var(--purple); color: var(--purple); }

.exam-result-pct {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--purple);
  line-height: 1;
  margin-bottom: 6px;
}

.exam-result-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--t1);
  margin-bottom: 4px;
}

.exam-result-meta {
  font-size: 11px;
  color: var(--t3);
  margin-bottom: 10px;
}

/* ── MAIN CONTENT ── */
.main {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
  padding: 28px 32px 24px;
  background: var(--main-bg);
  transition: background var(--dur-slow);
  scroll-behavior: smooth;
}

@media (max-width: 768px) {
  .main { padding: 20px 16px 72px; }
}

.main::-webkit-scrollbar { width: 4px; }
.main::-webkit-scrollbar-track { background: transparent; }
.main::-webkit-scrollbar-thumb { background: rgba(0, 0, 0, 0.15); border-radius: var(--r-full); }
[data-theme="dark"] .main::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.15); }

/* ── TYPOGRAPHY ── */
.welcome { margin-bottom: 22px; }
.continue-card,
.continue-hub {
  margin: 0 0 16px;
  padding: 14px 15px 13px;
  border: 1px solid var(--card-bdr);
  border-radius: 14px;
  background: var(--card);
  box-shadow: var(--card-sh);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.continue-hub-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.continue-copy { min-width: 0; }
.continue-kicker {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--t3);
  font-weight: 700;
}
.continue-access {
  flex-shrink: 0;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--t3);
  padding: 4px 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--t3) 12%, transparent);
  border: 1px solid var(--card-bdr);
  white-space: nowrap;
}
.continue-last {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 11px 12px;
  border-radius: 12px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--purple) 12%, var(--sb-hover)), var(--sb-hover));
  border: 1px solid color-mix(in srgb, var(--purple) 22%, var(--card-bdr));
}
.continue-last-ic {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--purple-l);
  color: var(--purple);
}
.continue-last-ic .material-symbols-rounded { font-size: 24px; }
.continue-last-body { min-width: 0; }
.continue-subject {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--purple);
}
.continue-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--t1);
  line-height: 1.25;
  margin: 2px 0 8px;
  letter-spacing: -0.15px;
}
.continue-prog-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.continue-prog-track {
  flex: 1;
  height: 5px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--t3) 18%, transparent);
  overflow: hidden;
  min-width: 72px;
}
.continue-prog-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--purple), var(--teal));
  transition: width 0.7s var(--ease);
}
.continue-prog-lbl {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--t3);
  min-width: 72px;
  text-align: right;
}
.continue-sub {
  font-size: 11px;
  color: var(--t3);
  margin-top: 2px;
  line-height: 1.4;
}
.continue-btn {
  border: none;
  background: linear-gradient(135deg, var(--purple), var(--purple-d));
  color: #fff;
  border-radius: 10px;
  min-height: 40px;
  padding: 0 16px;
  font-weight: 700;
  font-size: 13px;
  font-family: var(--font);
  cursor: pointer;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--purple) 35%, transparent);
  transition: transform 0.15s var(--spring), box-shadow 0.15s;
  white-space: nowrap;
}
.continue-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--purple) 42%, transparent);
}
.continue-btn:active { transform: scale(0.98); }
.continue-recent-wrap { display: flex; flex-direction: column; gap: 6px; }
.continue-recent-lbl {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.35px;
  color: var(--t3);
}
.continue-recent-list { display: flex; flex-direction: column; gap: 5px; }
.continue-recent-item {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 7px 8px;
  border-radius: 9px;
  text-decoration: none;
  color: inherit;
  background: var(--sb-hover);
  border: 1px solid var(--sb-bdr);
  transition: background 0.15s, transform 0.15s var(--spring);
}
.continue-recent-item:hover {
  background: color-mix(in srgb, var(--purple) 8%, var(--sb-hover));
  transform: translateX(2px);
}
.continue-recent-item .cr-ic {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--purple-l);
  color: var(--purple);
}
.continue-recent-item .cr-ic .material-symbols-rounded { font-size: 15px; }
.continue-recent-item .cr-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--t1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.continue-recent-item .cr-sub {
  font-size: 10px;
  color: var(--t3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.continue-recent-item .cr-time {
  font-size: 10px;
  color: var(--t3);
  font-weight: 600;
  white-space: nowrap;
}
.continue-empty {
  font-size: 12px;
  color: var(--t3);
  line-height: 1.45;
  padding: 4px 2px 2px;
}
@media (max-width: 640px) {
  .continue-last {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
  }
  .continue-last .continue-btn {
    grid-column: 1 / -1;
    width: 100%;
    margin-top: 4px;
  }
}
.w-eyebrow { font-size: 11.5px; font-weight: 600; color: var(--t3); margin-bottom: 5px; letter-spacing: 0.2px; }
.w-h { font-size: 26px; font-weight: 700; letter-spacing: -0.45px; color: var(--t1); line-height: 1.15; margin-bottom: 5px; }
.w-h .hi { color: var(--purple); }
.w-sub { font-size: 13px; color: var(--t2); line-height: 1.6; }

.sec-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.sec-title { font-size: 15.5px; font-weight: 700; letter-spacing: -0.2px; color: var(--t1); }
.sec-title em { color: var(--purple); font-style: normal; }

.view-all {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--purple);
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.15s;
  text-decoration: none;
}

.view-all:hover { opacity: 1; }

/* ── STATS ── */
.stats { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }

.stat, .stat-card {
  flex: 1;
  min-width: 76px;
  background: var(--card);
  border: 1px solid var(--card-bdr);
  border-radius: 10px;
  box-shadow: var(--card-sh);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 12px 14px;
  transition: background var(--dur-slow), border-color var(--dur-slow), box-shadow 0.2s, transform 0.2s var(--spring);
  cursor: default;
}

.stat:hover, .stat-card:hover { box-shadow: var(--card-sh-h); transform: translateY(-1px); }
.stat-n { font-size: 24px; font-weight: 700; letter-spacing: -0.5px; color: var(--purple); line-height: 1; margin-bottom: 3px; }
.stat-l { font-size: 11px; color: var(--t3); font-weight: 500; }

/* ── GRID & CARDS ── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 13px;
}

@media (max-width: 960px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } .stats { gap: 8px; } .stat-n { font-size: 20px; } }

.sc, .glass-card {
  background: var(--card);
  border: 1px solid var(--card-bdr);
  border-radius: 14px;
  box-shadow: var(--card-sh);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--dur), transform var(--dur) var(--spring), background var(--dur-slow), border-color var(--dur-slow);
  animation: fadeUp 0.44s var(--ease) both;
}

.sc:hover, .glass-card:hover { box-shadow: var(--card-sh-h); transform: translateY(-1px); }

.sc-cov { padding: 15px 18px 12px; position: relative; overflow: hidden; }
.c1 .sc-cov { background: linear-gradient(135deg, rgba(108, 71, 208, 0.1), rgba(108, 71, 208, 0.03)); }
.c2 .sc-cov { background: linear-gradient(135deg, rgba(13, 148, 136, 0.1), rgba(13, 148, 136, 0.03)); }
.c3 .sc-cov { background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(37, 99, 235, 0.03)); }

.sc-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 9px; }
.sc-code { font-size: 10px; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; padding: 2px 8px; border-radius: 5px; }
.c1 .sc-code { color: var(--purple-d); background: rgba(108, 71, 208, 0.12); }
.c2 .sc-code { color: #065F46; background: rgba(13, 148, 136, 0.12); }
.c3 .sc-code { color: #1D4ED8; background: rgba(37, 99, 235, 0.12); }
[data-theme="dark"] .c1 .sc-code { color: var(--purple); background: var(--purple-l); }
[data-theme="dark"] .c2 .sc-code { color: var(--teal); background: var(--teal-l); }
[data-theme="dark"] .c3 .sc-code { color: var(--blue); background: var(--blue-l); }

.sc-ic { width: 34px; height: 34px; border-radius: 9px; display: flex; align-items: center; justify-content: center; transition: transform 0.28s var(--spring); }
.sc:hover .sc-ic { transform: rotate(-8deg) scale(1.1); }
.c1 .sc-ic { background: rgba(108, 71, 208, 0.12); }
.c2 .sc-ic { background: rgba(13, 148, 136, 0.12); }
.c3 .sc-ic { background: rgba(37, 99, 235, 0.12); }
.sc-ic .material-symbols-rounded { font-size: 18px; }
.c1 .sc-ic .material-symbols-rounded { color: var(--purple); }
.c2 .sc-ic .material-symbols-rounded { color: var(--teal); }
.c3 .sc-ic .material-symbols-rounded { color: var(--blue); }

.sc-name { font-size: 14px; font-weight: 700; letter-spacing: -0.15px; color: var(--t1); line-height: 1.35; }
.sc-body { padding: 10px 18px 12px; flex: 1; }
.sc-desc { font-size: 12px; color: var(--t3); line-height: 1.65; margin-bottom: 9px; }
.sc-chips { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 11px; }

.chip {
  font-size: 10.5px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--t3);
}

[data-theme="dark"] .chip { background: rgba(255, 255, 255, 0.07); border-color: rgba(255, 255, 255, 0.08); }

.sc-prog { margin-bottom: 0; }
.prog-meta { display: flex; justify-content: space-between; font-size: 10.5px; font-weight: 500; color: var(--t3); }
.sc-div { height: 1px; background: rgba(0, 0, 0, 0.06); margin: 0 18px; }
[data-theme="dark"] .sc-div { background: rgba(255, 255, 255, 0.07); }

.sc-modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; padding: 10px 14px 14px; }

.mb, .quick-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 9px 4px;
  border-radius: var(--r-sm);
  border: 1px solid var(--card-bdr);
  background: rgba(0, 0, 0, 0.03);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.15s var(--spring), box-shadow 0.15s;
  font-family: var(--font);
}
.quick-btn {
  color: var(--t1);
  text-decoration: none;
}

[data-theme="dark"] .mb, [data-theme="dark"] .quick-btn { background: rgba(255, 255, 255, 0.04); }
.mb:hover, .quick-btn:hover { transform: translateY(-1px); box-shadow: var(--card-sh); }
.mb:active, .quick-btn:active { transform: translateY(0) scale(0.98); }
.mb .material-symbols-rounded, .quick-btn .material-symbols-rounded { font-size: 17px; }
.mb-lbl { font-size: 10.5px; font-weight: 600; color: var(--t2); }
.mb-n:hover { background: var(--purple-l); border-color: rgba(108, 71, 208, 0.3); }
.mb-n:hover .mb-lbl { color: var(--purple); }
.mb-n .material-symbols-rounded { color: var(--purple); }
.mb-e:hover { background: var(--amber-l); border-color: rgba(201, 106, 10, 0.3); }
.mb-e:hover .mb-lbl { color: var(--amber); }
.mb-e .material-symbols-rounded { color: var(--amber); }
.mb-g:hover { background: var(--teal-l); border-color: rgba(13, 148, 136, 0.3); }
.mb-g:hover .mb-lbl { color: var(--teal); }
.mb-g .material-symbols-rounded { color: var(--teal); }

/* ════════════════════════════════════════
   HOME DASHBOARD (Menu Utama)
   Personalised cards — XP, streak, missions,
   subjects, recent topics, weekly, badges
   ════════════════════════════════════════ */
.hero-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
@media (max-width: 960px) { .hero-strip { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .hero-strip { grid-template-columns: 1fr; } }

.hero-kpi {
  display: flex;
  gap: 12px;
  padding: 13px 14px;
  background: var(--card);
  border: 1px solid var(--card-bdr);
  border-radius: 14px;
  box-shadow: var(--card-sh);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  transition: transform 0.18s var(--spring), box-shadow 0.2s ease;
  animation: fadeUp 0.42s var(--ease) both;
}
.hero-kpi:hover { transform: translateY(-1px); box-shadow: var(--card-sh-h); }
.hero-kpi::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--kpi-c, var(--purple-l)) 0%, transparent 55%);
  pointer-events: none;
  opacity: 0.55;
}
.hero-kpi > * { position: relative; z-index: 1; }
.hero-kpi.k-xp { --kpi-c: var(--purple-l); }
.hero-kpi.k-streak { --kpi-c: var(--amber-l); }
.hero-kpi.k-topic { --kpi-c: var(--teal-l); }
.hero-kpi.k-exam { --kpi-c: var(--blue-l); }

.hero-ic {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kpi-c);
}
.hero-ic .material-symbols-rounded { font-size: 22px; color: #fff; }

.hero-meta { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.hero-val {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--t1);
  line-height: 1.05;
}
.hero-val-sm {
  font-size: 13px;
  font-weight: 600;
  color: var(--t3);
  margin-left: 2px;
}
.hero-lbl {
  font-size: 11px;
  color: var(--t3);
  font-weight: 600;
  margin-top: 2px;
  letter-spacing: 0.1px;
}
.hero-sub {
  font-size: 10.5px;
  color: var(--t3);
  margin-top: 5px;
  line-height: 1.3;
}
.hero-bar {
  height: 4px;
  margin-top: 7px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--t3) 18%, transparent);
  overflow: hidden;
}
.hero-bar-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--purple), var(--purple-d));
  transition: width 0.8s var(--ease);
}
.hero-bar-fill.green { background: linear-gradient(90deg, var(--teal), var(--green)); }
.hero-bar-meta {
  font-size: 10px;
  color: var(--t3);
  margin-top: 3px;
  font-weight: 500;
}

/* ── Shared app hero banner ── */
[data-page="home"] .welcome,
[data-page="notes-hub"] .welcome,
[data-page="arcade"] .welcome { display: none; }

.app-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-radius: 20px;
  padding: 24px 26px;
  margin-bottom: 16px;
  color: #fff;
  background:
    radial-gradient(135% 150% at 0% 0%, rgba(255, 255, 255, 0.20) 0%, transparent 42%),
    linear-gradient(135deg, #7d5fe6 0%, #5a35be 36%, #2f4fb0 68%, #0d9488 128%);
  box-shadow: 0 16px 42px rgba(79, 42, 149, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.28);
  animation: fadeUp 0.5s var(--ease) both;
}
.app-hero::before,
.app-hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(34px);
  pointer-events: none;
  z-index: -1;
}
.app-hero::before { width: 280px; height: 280px; background: rgba(255, 255, 255, 0.16); top: -130px; right: -30px; }
.app-hero::after  { width: 220px; height: 220px; background: rgba(13, 148, 136, 0.55); bottom: -120px; right: 130px; }

/* Per-section accents */
.app-hero--notes {
  background:
    radial-gradient(135% 150% at 0% 0%, rgba(255, 255, 255, 0.20) 0%, transparent 42%),
    linear-gradient(135deg, #8b5cf6 0%, #6d28d9 40%, #4f2a95 75%, #5a35be 130%);
  box-shadow: 0 16px 42px rgba(91, 53, 190, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}
.app-hero--notes::after { background: rgba(139, 92, 246, 0.5); }
.app-hero--arcade {
  background:
    radial-gradient(135% 150% at 0% 0%, rgba(255, 255, 255, 0.20) 0%, transparent 42%),
    linear-gradient(135deg, #0ea5a3 0%, #0d9488 38%, #2f6fb0 78%, #5a35be 135%);
  box-shadow: 0 16px 42px rgba(13, 148, 136, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}
.app-hero--arcade::after { background: rgba(45, 111, 176, 0.55); }

.app-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 22px;
}
.app-hero-main { flex: 1; min-width: 0; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: rgba(255, 255, 255, 0.88);
  text-transform: capitalize;
}
.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #7CFFB2;
  box-shadow: 0 0 0 4px rgba(124, 255, 178, 0.25);
  animation: heroPulse 2.4s var(--ease) infinite;
}
@keyframes heroPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(124, 255, 178, 0.28); }
  50% { box-shadow: 0 0 0 7px rgba(124, 255, 178, 0.08); }
}
.hero-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.6px;
  line-height: 1.12;
  margin: 9px 0 7px;
  color: #fff;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(90deg, #FFE6A7, #FFB37C);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-tag {
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.82);
  max-width: 540px;
}
.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}
.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.hero-chip .material-symbols-rounded { font-size: 16px; }
.hero-chip.hot { background: rgba(255, 159, 64, 0.26); border-color: rgba(255, 191, 120, 0.5); }
.hero-cta {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  background: #fff;
  color: #5a35be;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
  transition: transform 0.16s var(--spring), box-shadow 0.2s ease;
}
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 11px 28px rgba(0, 0, 0, 0.26); }
.hero-cta:active { transform: translateY(0); }
.hero-cta .material-symbols-rounded { font-size: 18px; }
.hero-cta .material-symbols-rounded:last-child { font-size: 17px; transition: transform 0.18s var(--ease); }
.hero-cta:hover .material-symbols-rounded:last-child { transform: translateX(3px); }

.home-hero-visual { flex-shrink: 0; display: grid; place-items: center; }
.hero-ring {
  width: 108px;
  height: 108px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  position: relative;
  background: conic-gradient(#fff calc(var(--ring, 0%) * 1), rgba(255, 255, 255, 0.22) 0);
  transition: background 0.8s var(--ease);
}
.hero-ring::before {
  content: '';
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, #5a35be, #2f4fb0);
  box-shadow: inset 0 1px 6px rgba(0, 0, 0, 0.25);
}
.hero-ring-inner { position: relative; z-index: 1; text-align: center; }
.hero-ring-lvl { font-size: 28px; font-weight: 800; line-height: 1; color: #fff; }
.hero-ring-lbl { font-size: 9.5px; letter-spacing: 1.5px; margin-top: 3px; color: rgba(255, 255, 255, 0.82); font-weight: 700; }

@media (max-width: 640px) {
  .app-hero { padding: 20px; border-radius: 18px; }
  .hero-title { font-size: 22px; }
  .app-hero-visual { display: none; }
}

/* ── KPI card polish ── */
.hero-kpi { border-radius: 16px; }
.hero-kpi::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--kpi-strong, var(--purple));
  z-index: 2;
  opacity: 0.95;
}
.hero-kpi.k-xp { --kpi-strong: var(--purple); }
.hero-kpi.k-streak { --kpi-strong: var(--amber); }
.hero-kpi.k-topic { --kpi-strong: var(--teal); }
.hero-kpi.k-exam { --kpi-strong: var(--blue); }
.hero-kpi:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 26px color-mix(in srgb, var(--kpi-strong, var(--purple)) 24%, transparent);
}
.hero-kpi .hero-ic {
  background: var(--kpi-strong, var(--purple));
  box-shadow: 0 4px 12px color-mix(in srgb, var(--kpi-strong, var(--purple)) 35%, transparent);
}
.hero-kpi .hero-ic .material-symbols-rounded { color: #fff; }

/* Dashboard grid */
.dash-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 13px;
  margin-bottom: 20px;
}
.dash-card {
  background: var(--card);
  border: 1px solid var(--card-bdr);
  border-radius: 14px;
  box-shadow: var(--card-sh);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 14px 15px 13px;
  display: flex;
  flex-direction: column;
  gap: 11px;
  transition: box-shadow 0.2s, transform 0.18s var(--spring);
  animation: fadeUp 0.44s var(--ease) both;
  min-width: 0;
}
.dash-card:hover { box-shadow: var(--card-sh-h); transform: translateY(-1px); }

/* Column spans on desktop */
.dash-card.dc-subj    { grid-column: span 4; }
.dash-card.dc-mission { grid-column: span 2; }
.dash-card.dc-recent  { grid-column: span 3; }
.dash-card.dc-weekly  { grid-column: span 3; }
.dash-card.dc-arcade  { grid-column: span 3; }
.dash-card.dc-badges  { grid-column: span 3; }

@media (max-width: 1080px) {
  .dash-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .dash-card.dc-subj    { grid-column: span 4; }
  .dash-card.dc-mission { grid-column: span 4; }
  .dash-card.dc-recent  { grid-column: span 2; }
  .dash-card.dc-weekly  { grid-column: span 2; }
  .dash-card.dc-arcade  { grid-column: span 2; }
  .dash-card.dc-badges  { grid-column: span 2; }
}
@media (max-width: 720px) {
  .dash-grid { grid-template-columns: 1fr; gap: 10px; }
  .dash-card,
  .dash-card.dc-subj, .dash-card.dc-mission,
  .dash-card.dc-recent, .dash-card.dc-weekly,
  .dash-card.dc-arcade, .dash-card.dc-badges { grid-column: span 1; }
}

.dash-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.dash-card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--t1);
  letter-spacing: -0.1px;
}
.dash-card-pill {
  font-size: 10.5px;
  color: var(--t3);
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--t3) 12%, transparent);
}
.dash-card-pill.done {
  color: var(--green);
  background: color-mix(in srgb, var(--green) 16%, transparent);
}

/* Subject progress rows */
.subj-progress-list { display: flex; flex-direction: column; gap: 9px; }
.subj-progress-row {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  gap: 11px;
  align-items: center;
  padding: 9px 10px;
  border-radius: 11px;
  background: var(--sb-hover);
  border: 1px solid var(--sb-bdr);
  transition: background 0.18s, transform 0.18s var(--spring);
  text-decoration: none;
  color: inherit;
  min-width: 0;
}
.subj-progress-row:hover {
  background: color-mix(in srgb, var(--purple) 6%, var(--sb-hover));
  transform: translateX(2px);
}
.subj-progress-row.highlight {
  background: color-mix(in srgb, var(--purple) 14%, var(--sb-hover));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--purple) 35%, transparent);
}
.subj-ic {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.subj-progress-row[data-subj="1203"] .subj-ic { background: var(--purple-l); color: var(--purple); }
.subj-progress-row[data-subj="2203"] .subj-ic { background: var(--teal-l); color: var(--teal); }
.subj-progress-row[data-subj="2303"] .subj-ic { background: var(--blue-l); color: var(--blue); }
.subj-ic .material-symbols-rounded { font-size: 20px; }
.subj-text { min-width: 0; }
.subj-code {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--t3);
  text-transform: uppercase;
}
.subj-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--t1);
  line-height: 1.25;
  margin: 1px 0 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.subj-bar-row { display: flex; align-items: center; gap: 8px; }
.subj-bar {
  flex: 1;
  height: 5px;
  background: color-mix(in srgb, var(--t3) 18%, transparent);
  border-radius: 999px;
  overflow: hidden;
  min-width: 60px;
}
.subj-bar-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--purple), var(--teal));
  transition: width 0.85s var(--ease);
}
.subj-progress-row[data-subj="2203"] .subj-bar-fill { background: linear-gradient(90deg, var(--teal), var(--green)); }
.subj-progress-row[data-subj="2303"] .subj-bar-fill { background: linear-gradient(90deg, var(--blue), var(--purple)); }
.subj-bar-lbl { font-size: 10.5px; color: var(--t3); font-weight: 700; min-width: 38px; text-align: right; }
.subj-arrow {
  color: var(--t3);
  display: flex;
  align-items: center;
}
.subj-progress-row:hover .subj-arrow { color: var(--purple); }

/* Mission card */
.mission-progress-bar {
  height: 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--t3) 18%, transparent);
  overflow: hidden;
}
.mission-progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--purple), var(--teal));
  transition: width 0.5s var(--ease);
}
.mission-list { display: flex; flex-direction: column; gap: 6px; }
.mission-row {
  display: grid;
  grid-template-columns: 22px 1fr 18px;
  gap: 9px;
  align-items: center;
  font-size: 11.5px;
  color: var(--t2);
  padding: 4px 2px;
}
.mission-row .m-ic-wrap {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--t3) 16%, transparent);
}
.mission-row .m-ic-wrap .material-symbols-rounded { font-size: 14px; color: var(--t3); }
.mission-row .m-st { font-size: 16px; color: var(--t3); }
.mission-row.done { color: var(--t1); }
.mission-row.done .m-ic-wrap { background: color-mix(in srgb, var(--green) 18%, transparent); }
.mission-row.done .m-ic-wrap .material-symbols-rounded { color: var(--green); }
.mission-row.done .m-st { color: var(--green); }

/* Recent topics */
.recent-body { display: flex; flex-direction: column; gap: 7px; }
.recent-row {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 9px;
  align-items: center;
  padding: 7px 8px;
  border-radius: 9px;
  text-decoration: none;
  background: var(--sb-hover);
  border: 1px solid var(--sb-bdr);
  color: inherit;
  transition: background 0.15s, transform 0.18s var(--spring);
  min-width: 0;
}
.recent-row:hover {
  background: color-mix(in srgb, var(--purple) 8%, var(--sb-hover));
  transform: translateX(2px);
}
.recent-ic {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--purple-l);
  color: var(--purple);
  display: flex;
  align-items: center;
  justify-content: center;
}
.recent-ic .material-symbols-rounded { font-size: 16px; }
.recent-meta { min-width: 0; }
.recent-name {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--t1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.recent-sub {
  font-size: 10.5px;
  color: var(--t3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.recent-empty {
  font-size: 12px;
  color: var(--t3);
  padding: 12px 4px;
  text-align: center;
  line-height: 1.4;
}

/* Weekly card */
.week-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.week-stat {
  padding: 10px 10px;
  border-radius: 10px;
  background: var(--sb-hover);
  border: 1px solid var(--sb-bdr);
  text-align: center;
}
.week-val {
  font-size: 19px;
  font-weight: 800;
  color: var(--purple);
  letter-spacing: -0.3px;
  line-height: 1.05;
}
.week-val.green { color: var(--green); }
.week-val.amber { color: var(--amber); }
.week-lbl {
  font-size: 10px;
  font-weight: 600;
  color: var(--t3);
  margin-top: 3px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* Arcade snippet */
.arcade-snippet {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
}
.arcade-rank-ic {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--amber-l);
  color: var(--amber);
  font-size: 24px;
}
.arcade-rank-ic .material-symbols-rounded { font-size: 26px; }
.arcade-meta { display: flex; flex-direction: column; min-width: 0; }
.arcade-rank-name {
  font-size: 14px;
  font-weight: 800;
  color: var(--t1);
  letter-spacing: -0.2px;
}
.arcade-rank-sub {
  font-size: 11px;
  color: var(--t3);
  margin-top: 2px;
}
.arcade-rank-bar {
  margin-top: 7px;
  height: 4px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--t3) 18%, transparent);
  overflow: hidden;
}
.arcade-rank-bar-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--amber), var(--purple));
  transition: width 0.8s var(--ease);
}

/* Badges row */
.badge-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}
.badge-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 10px 6px 9px;
  border-radius: 11px;
  background: var(--sb-hover);
  border: 1px solid var(--sb-bdr);
  text-align: center;
  min-width: 0;
  transition: transform 0.18s var(--spring), box-shadow 0.18s;
  cursor: pointer;
}
.badge-tile:hover { transform: translateY(-2px); box-shadow: var(--card-sh); }
.badge-tile.locked { opacity: 0.45; filter: grayscale(70%); }
.badge-tile.featured { border-color: color-mix(in srgb, var(--amber) 55%, transparent); background: color-mix(in srgb, var(--amber) 7%, var(--sb-hover)); }
.badge-tile .bt-img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.12));
}
.badge-tile .bt-emoji {
  display: none;
  font-size: 28px;
  line-height: 1;
}
.badge-tile .bt-name {
  font-size: 10px;
  font-weight: 700;
  color: var(--t2);
  letter-spacing: 0.1px;
  line-height: 1.2;
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.badge-tile .bt-feat-star {
  position: absolute;
  top: 4px;
  right: 4px;
  font-size: 12px;
  color: var(--amber);
}
.badge-tile { position: relative; }
.badge-empty {
  grid-column: 1 / -1;
  font-size: 11.5px;
  color: var(--t3);
  text-align: center;
  padding: 14px 8px;
  line-height: 1.45;
}

/* Notes hub topic cards */
.quick-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}
@media (max-width: 820px) {
  .quick-row { grid-template-columns: 1fr; }
}
.sec-count {
  font-size: 12px;
  color: var(--t3);
  font-weight: 700;
}
.tgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}
.tc {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 8px;
  text-decoration: none;
  color: var(--t1);
  border: 1px solid var(--card-bdr);
  border-radius: 12px;
  background: var(--card);
  box-shadow: var(--card-sh);
  padding: 12px;
  transition: transform .2s var(--spring), box-shadow .2s ease;
}
.tc:hover {
  transform: translateY(-2px);
  box-shadow: var(--card-sh-h);
}
.tc-body { min-width: 0; }
.tc-num { font-size: 11px; font-weight: 700; color: var(--purple); margin-bottom: 4px; }
.tc-icon { font-size: 16px; display: inline-block; margin-bottom: 4px; }
.tc-title { font-weight: 700; line-height: 1.25; margin-bottom: 2px; }
.tc-sub { font-size: 12px; color: var(--t3); line-height: 1.35; }
.tc-arrow {
  display: flex;
  align-items: center;
  color: var(--purple);
}

/* ── BUTTONS ── */
.btn, .submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 20px;
  border-radius: 10px;
  border: none;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.12s var(--spring), box-shadow 0.15s, opacity 0.15s;
}

.btn-primary, .submit-btn {
  background: linear-gradient(135deg, var(--purple), var(--purple-d));
  color: #fff;
  box-shadow: 0 4px 18px rgba(108, 71, 208, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-primary:hover, .submit-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(108, 71, 208, 0.4); }
.btn-primary:active, .submit-btn:active:not(:disabled) { transform: scale(0.98); }
.btn-primary:disabled, .submit-btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-secondary {
  background: var(--card);
  border: 1px solid var(--card-bdr);
  color: var(--t1);
  box-shadow: var(--card-sh);
}

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

.btn-danger {
  background: var(--error-bg);
  border: 1px solid var(--error-bdr);
  color: var(--error);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--card-bdr);
  color: var(--t2);
}

.btn-sm { height: 32px; padding: 0 14px; font-size: 12.5px; border-radius: var(--r-sm); }
.btn-lg { height: 48px; padding: 0 28px; font-size: 15px; border-radius: var(--r-md); }

/* ── FORMS ── */
.field { margin-bottom: 14px; }

.field-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--t2);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.field-input, .form-input, input[type="text"], input[type="email"], input[type="password"], input[type="number"], select, textarea {
  width: 100%;
  height: 42px;
  padding: 0 14px;
  background: var(--field-bg);
  border: 1px solid var(--field-bdr);
  border-radius: 10px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--t1);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

textarea { height: auto; min-height: 80px; padding: 12px 14px; resize: vertical; }

.field-input:focus, .form-input:focus, input:focus, select:focus, textarea:focus {
  border-color: var(--field-focus-bdr);
  box-shadow: var(--field-focus-sh);
}

.field-input::placeholder, input::placeholder, textarea::placeholder { color: var(--t3); }

.field-row { display: flex; gap: 10px; align-items: flex-end; }
.field-row .field { flex: 1; }

.alert {
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 13px;
  background: var(--error-bg);
  border: 1px solid var(--error-bdr);
  color: var(--error);
  margin-bottom: 14px;
}

.alert-success { background: var(--success-bg); border-color: rgba(13, 148, 136, 0.3); color: var(--success); }

/* ── MODALS & OVERLAYS ── */
.modal-overlay, .spot {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s;
}

.modal-overlay.on, .spot.on { opacity: 1; pointer-events: auto; }

.modal, .spot-box {
  width: min(540px, 90%);
  background: var(--win-bg);
  backdrop-filter: saturate(180%) blur(44px);
  -webkit-backdrop-filter: saturate(180%) blur(44px);
  border: 1px solid var(--win-bdr);
  border-radius: 14px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.4), 0 6px 18px rgba(0, 0, 0, 0.22);
  overflow: hidden;
  transform: scale(0.96) translateY(-10px);
  transition: transform 0.2s var(--spring);
}

.modal-overlay.on .modal, .spot.on .spot-box { transform: none; }

.modal-header { padding: 16px 20px; border-bottom: 1px solid var(--sb-bdr); display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-size: 15px; font-weight: 700; color: var(--t1); }
.modal-body { padding: 20px; }
.modal-footer { padding: 14px 20px; border-top: 1px solid var(--sb-bdr); display: flex; gap: 8px; justify-content: flex-end; }

.spot-inp-row { display: flex; align-items: center; gap: 10px; padding: 13px 16px; border-bottom: 1px solid var(--sb-bdr); }
.spot-inp-row .material-symbols-rounded { font-size: 19px; color: var(--t3); }
.spot-inp { flex: 1; background: none; border: none; outline: none; font-family: var(--font); font-size: 16px; color: var(--t1); }
.spot-inp::placeholder { color: var(--t3); }
.spot-esc { font-size: 10px; color: var(--t4); border: 1px solid var(--card-bdr); border-radius: 4px; padding: 1px 6px; }
.spot-results { padding: 8px; min-height: 80px; }
.spot-item { display: flex; align-items: center; gap: 12px; padding: 9px 12px; border-radius: var(--r-sm); cursor: pointer; text-decoration: none; color: var(--t1); transition: background 0.1s; }
.spot-item:hover, .spot-item.sel { background: var(--sb-active-bg); }
.spot-item .material-symbols-rounded { font-size: 17px; color: var(--purple); flex-shrink: 0; }
.spot-body { flex: 1; min-width: 0; }
.spot-name { font-size: 13.5px; font-weight: 500; }
.spot-sub { font-size: 11px; color: var(--t3); }
.spot-empty { text-align: center; padding: 22px; font-size: 13px; color: var(--t3); }

/* ── FOOTER & MOBILE NAV ── */
.foot {
  height: var(--foot-h);
  flex-shrink: 0;
  background: var(--tb-bg);
  border-top: 1px solid var(--tb-bdr);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur-slow), border-color var(--dur-slow);
}

.foot span { font-size: 11px; color: var(--t3); }

.mobile-nav {
  display: none;
  flex-shrink: 0;
  background: var(--tb-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--tb-bdr);
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 70;
}

@media (max-width: 768px) {
  .mobile-nav { display: flex; }
  .foot { display: none; }
  .sb-item, .nav-item { min-height: 44px; padding: 8px 10px; }
  .sb-item-subj { min-height: 52px; }
  .tb-btn, .ham { width: 44px; height: 44px; border-radius: 10px; }
  .tls { gap: 1px; }
  .tl {
    width: 22px;
    height: 22px;
    font-size: 0;
    background: transparent !important;
    display: grid;
    place-items: center;
  }
  .tl::before {
    content: "";
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: block;
  }
  .tl-r::before { background: var(--tl-r); }
  .tl-y::before { background: var(--tl-y); }
  .tl-g::before { background: var(--tl-g); }
  .quick-btn { min-height: 44px; }
}

.mn-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-decoration: none;
  color: var(--t3);
  font-family: var(--font);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.2px;
  min-height: 56px;
  padding: 6px 2px;
  border: none;
  background: none;
  cursor: pointer;
  transition: color 0.15s;
}

.mn-item.act { color: var(--purple); }
.mn-item .material-symbols-rounded { font-size: 22px; margin-bottom: 1px; }

/* ── TOAST ── */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--foot-h) + 12px);
  z-index: 200;
  transform: translate(-50%, 10px);
  opacity: 0;
  pointer-events: none;
  background: var(--card);
  border: 1px solid var(--card-bdr);
  border-radius: var(--r-full);
  box-shadow: var(--card-sh-h);
  padding: 6px 8px 6px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: transform 0.22s var(--ease), opacity 0.22s;
  white-space: nowrap;
}

.toast.on { transform: translate(-50%, 0); opacity: 1; pointer-events: auto; }
.toast span { font-size: 12.5px; font-weight: 600; color: var(--t2); }
.toast button { height: 26px; padding: 0 12px; border-radius: var(--r-full); border: none; background: var(--purple); color: #fff; font-family: var(--font); font-size: 12px; font-weight: 700; cursor: pointer; }

.xp-toast {
  position: fixed;
  right: 20px;
  bottom: calc(var(--foot-h) + 16px);
  z-index: 240;
  min-width: 180px;
  max-width: min(92vw, 300px);
  background: var(--card);
  border: 1px solid var(--card-bdr);
  border-radius: 12px;
  box-shadow: var(--card-sh-h);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  transform: translateY(10px);
  opacity: 0;
  pointer-events: none;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}
.xp-toast.on {
  transform: translateY(0);
  opacity: 1;
}
.xp-toast .material-symbols-rounded {
  color: var(--purple);
  font-size: 18px;
}
.xp-toast-title {
  font-size: 12.5px;
  color: var(--t1);
  font-weight: 700;
  line-height: 1.2;
}
.xp-toast-sub {
  font-size: 11px;
  color: var(--t3);
  margin-top: 1px;
}

/* ── MOBILE MINI TOP BAR (in layout flow, not over scroll content) ── */
.mobile-mini {
  display: none;
}
@media (max-width: 768px) {
  html.has-mobile-mini .win {
    display: flex;
    flex-direction: column;
  }
  .mobile-mini {
    display: block;
    position: relative;
    flex: 0 0 auto;
    width: 100%;
    z-index: 40;
    margin: 0;
    padding: 6px 10px;
    border-radius: 0;
    border: none;
    border-bottom: 1px solid var(--sb-bdr);
    background: var(--card);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
    isolation: isolate;
  }
  html.has-mobile-mini .body,
  html.has-mobile-mini .body-area {
    flex: 1;
    min-height: 0;
  }
  .mm-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
  }
  .mm-user {
    min-width: 0;
    flex: 1;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--t1);
  }
  .mm-avatar {
    width: 22px;
    height: 22px;
    border-radius: 7px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    color: var(--purple);
    background: var(--purple-l);
    border: 1px solid color-mix(in srgb, var(--purple) 26%, transparent);
    flex-shrink: 0;
  }
  .mm-copy {
    min-width: 0;
    display: flex;
    flex-direction: column;
    line-height: 1.15;
  }
  .mm-name {
    font-size: 11px;
    font-weight: 700;
    color: var(--t1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .mm-meta {
    margin-top: 1px;
    font-size: 9.5px;
    color: var(--t3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .mm-mission {
    height: 24px;
    border: 1px solid color-mix(in srgb, var(--purple) 30%, transparent);
    background: color-mix(in srgb, var(--purple) 12%, transparent);
    border-radius: 999px;
    padding: 0 7px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--purple);
    font-family: var(--font);
    font-size: 9.5px;
    font-weight: 700;
    cursor: pointer;
    flex-shrink: 0;
  }
  .mm-mission .material-symbols-rounded {
    font-size: 12px;
  }
  .mm-progress {
    margin-top: 6px;
    height: 3px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--t3) 20%, transparent);
    overflow: hidden;
  }
  .mm-progress-fill {
    width: 0%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--purple), var(--teal));
    transition: width 260ms var(--ease);
  }
}

/* ── LOGIN SPECIFIC ── */
.win-body, .login-body { padding: 28px 28px 24px; }
.brand { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.brand-text { text-align: left; }
.tb-theme { margin-left: auto; width: 28px; height: 28px; border-radius: 6px; background: none; border: none; cursor: pointer; color: var(--t2); display: flex; align-items: center; justify-content: center; transition: background 0.15s; }
.tb-theme:hover { background: rgba(255, 255, 255, 0.08); }
[data-theme="light"] .tb-theme:hover { background: rgba(0, 0, 0, 0.05); }
.field-lbl { display: block; font-size: 12px; font-weight: 600; color: var(--t2); margin-bottom: 6px; }
.field-wrap { position: relative; display: flex; align-items: center; }
.field-icon { position: absolute; left: 12px; display: flex; color: var(--t3); pointer-events: none; }
.field-icon .material-symbols-rounded { font-size: 18px; }
.field-wrap .field-input { padding-left: 40px; }
.field-wrap .field-input[type="password"], .field-wrap .field-input[type="text"] { padding-right: 44px; }
.alert { display: flex; align-items: center; gap: 8px; }
.alert .material-symbols-rounded { font-size: 18px; flex-shrink: 0; }
.auth-hint { font-size: 12px; color: var(--t3); text-align: center; margin-top: 10px; }
.support { text-align: center; font-size: 12px; color: var(--t3); margin-top: 20px; line-height: 1.6; }
.support a { color: var(--purple); text-decoration: none; font-weight: 600; }
.submit-btn { width: 100%; margin-top: 6px; }
.submit-btn .material-symbols-rounded { font-size: 18px; pointer-events: auto; }
.win-foot { padding: 12px 20px; border-top: 1px solid var(--tb-bdr); display: flex; align-items: center; justify-content: space-between; font-size: 11px; color: var(--t3); background: rgba(255, 255, 255, 0.03); }
.foot-badge { display: flex; align-items: center; gap: 5px; }
.foot-badge .material-symbols-rounded { font-size: 14px; color: var(--teal); }
.foot-admin { display: flex; align-items: center; gap: 5px; color: var(--t3); text-decoration: none; font-size: 11px; transition: color 0.15s; }
.foot-admin:hover { color: var(--purple); }
.foot-admin .material-symbols-rounded { font-size: 14px; }
.brand { text-align: left; margin-bottom: 24px; }
.brand-mark { width: 52px; height: 52px; border-radius: 14px; background: var(--purple-l); border: 1px solid rgba(108, 71, 208, 0.25); display: flex; align-items: center; justify-content: center; margin: 0; flex-shrink: 0; }
.brand-mark .material-symbols-rounded { font-size: 26px; color: var(--purple); }
.brand-name { font-size: 22px; font-weight: 700; letter-spacing: -0.4px; color: var(--t1); }
.brand-name em { color: var(--purple); font-style: normal; }
.brand-tag { font-size: 13px; color: var(--t3); margin-top: 4px; }
.win-h { font-size: 18px; font-weight: 700; color: var(--t1); margin-bottom: 4px; }
.win-h em { color: var(--purple); font-style: normal; }
.win-sub { font-size: 13px; color: var(--t3); margin-bottom: 20px; }
.win-foot { padding: 12px 20px; border-top: 1px solid var(--tb-bdr); text-align: center; font-size: 11px; color: var(--t3); background: rgba(255, 255, 255, 0.03); }

/* Fullscreen layout on mobile; window chrome desktop-only */
@media (max-width: 768px) {
  body.tahoe-app {
    padding: 0;
    overflow: auto;
  }

  body.tahoe-app .tb {
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 6px;
    padding: 0 8px;
  }

  body.tahoe-app .tb-spacer {
    display: none;
  }

  body.tahoe-app .tb-center {
    position: static;
    left: auto;
    transform: none;
    min-width: 0;
    max-width: none;
    display: flex;
    align-items: center;
    gap: 6px;
  }

  body.tahoe-app .tb-title {
    font-size: 12.5px;
    max-width: 100%;
  }

  body.tahoe-app .tb-app-icon,
  body.tahoe-app .tb-app-ic {
    display: none;
  }

  body.tahoe-app .win:not(.win--fullscreen) {
    width: 100vw;
    height: 100dvh;
    margin: 0 auto;
    border-radius: 0;
    border: none;
    box-shadow: none;
  }

  body.tahoe-app .win:not(.win--fullscreen)::before {
    display: none;
  }

  body.tahoe-login {
    padding: max(14px, env(safe-area-inset-top)) 12px max(14px, env(safe-area-inset-bottom));
    overflow: auto;
  }

  .win--login {
    width: min(var(--win-w), calc(100vw - 24px));
    min-height: auto;
    height: auto;
    border-radius: var(--win-r);
    border: 1px solid var(--glass-bdr);
    box-shadow: var(--glass-sh), inset 0 1.5px 0 var(--glass-hi), inset 0 -1px 0 rgba(255, 255, 255, 0.05);
  }

  .win--login::before {
    display: block;
    border-radius: var(--win-r);
  }

  /* Prevent title overlap and improve topbar typography on mobile login */
  .win--login .tb {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 8px;
    padding: 0 10px;
  }

  .win--login .tb-center {
    position: static;
    left: auto;
    transform: none;
    min-width: 0;
    display: block;
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: -0.1px;
    color: var(--t2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .win--login .tls {
    gap: 3px;
  }

  .tb-theme {
    width: 44px;
    height: 44px;
    border-radius: 10px;
  }

  .field-input, .form-input, input[type="text"], input[type="email"], input[type="password"], input[type="number"], select, textarea {
    height: 44px;
  }

  .submit-btn, .btn {
    min-height: 44px;
  }

  .pw-toggle {
    width: 40px;
    height: 40px;
    right: 6px;
  }

  .support a,
  .foot-admin {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 2px 4px;
  }
}

@media (max-width: 440px) {
  .win--login .brand { gap: 10px; }
  .win--login .brand-mark { width: 46px; height: 46px; border-radius: 12px; }
  .win--login .brand-mark .material-symbols-rounded { font-size: 22px; }
  .win--login .brand-name { font-size: 18px; }
  .win--login .brand-tag { font-size: 12px; }
}
.pw-wrap { position: relative; }
.pw-toggle { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); background: none; border: none; cursor: pointer; color: var(--t3); width: 32px; height: 32px; border-radius: 6px; display: flex; align-items: center; justify-content: center; }
.pw-toggle:hover { background: rgba(255, 255, 255, 0.08); }
.spinner { width: 16px; height: 16px; border: 2px solid rgba(255, 255, 255, 0.3); border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 768px) {
  .pw-toggle {
    width: 40px;
    height: 40px;
    right: 6px;
    border-radius: 10px;
  }
}

/* ── ADMIN TABLES ── */
.table-wrap { overflow-x: auto; border-radius: var(--r-md); border: 1px solid var(--card-bdr); background: var(--card); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--card-bdr); }
th { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--t3); background: var(--panel2); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--sb-hover); }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--r-full);
  font-size: 11px;
  font-weight: 600;
}

.badge-success { background: var(--green-l); color: var(--green); }
.badge-warning { background: var(--amber-l); color: var(--amber); }
.badge-danger { background: var(--error-bg); color: var(--error); }

/* ── SKELETON LOADING ── */
.skel { background: linear-gradient(90deg, var(--sb-hover) 25%, rgba(255, 255, 255, 0.08) 50%, var(--sb-hover) 75%); background-size: 200% 100%; animation: skelShimmer 1.4s ease infinite; border-radius: var(--r-sm); }
@keyframes skelShimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ── UTILITIES ── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--t3); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: 8px; }
.gap-md { gap: 14px; }
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mb-md { margin-bottom: 16px; }

/* ── BACKDROP FILTER FALLBACKS ── */
@supports not (backdrop-filter: blur(1px)) {
  .win { background: #f4f4f6; }
  .tb { background: #e8e8ec; }
  .sb, .sidebar { background: #d8d8de; }
  .main { background: #f0f0f4; }
  .spot-box, .modal { background: #f4f4f6; }
  .win--login { background: var(--glass-bg-solid); }
  [data-theme="dark"] .win { background: #18181c; }
  [data-theme="dark"] .tb { background: #1c1c20; }
  [data-theme="dark"] .sb, [data-theme="dark"] .sidebar { background: #222226; }
  [data-theme="dark"] .main { background: #141418; }
}

/* ── Selected-subject indicators (shared: Nota, Arcade) ── */
.tb-subj-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: 10px;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: -0.01em;
  color: #fff;
  background: linear-gradient(135deg, #7c3aed 0%, #5a35be 100%);
  box-shadow: 0 2px 9px rgba(124, 58, 237, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.26);
  white-space: nowrap;
  cursor: default;
  --pulse-ring: rgba(124, 58, 237, 0.45);
}
.tb-subj-pill .material-symbols-rounded { font-size: 15px; flex-shrink: 0; }
.tb-subj-pill #tbSubjText {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 240px;
}

/* Make the section subject badge read clearly as the active subject */
#secCount {
  padding: 4px 11px;
  border-radius: 999px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, #7c3aed 0%, #5a35be 100%);
  border: none;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.28);
  --pulse-ring: rgba(124, 58, 237, 0.45);
}

.subj-pulse { animation: subjPulse 0.6s var(--ease, cubic-bezier(.2,.8,.2,1)); }
@keyframes subjPulse {
  0%   { transform: scale(1); box-shadow: 0 0 0 0 var(--pulse-ring, rgba(124, 58, 237, 0.45)); }
  40%  { transform: scale(1.1); box-shadow: 0 0 0 6px transparent; }
  100% { transform: scale(1); }
}

.subj-toast {
  position: fixed;
  left: 50%;
  bottom: 86px;
  transform: translateX(-50%) translateY(12px);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: rgba(18, 20, 28, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.38);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  z-index: 9999;
  transition: opacity 0.25s ease, transform 0.28s var(--ease, cubic-bezier(.2,.8,.2,1));
}
.subj-toast .material-symbols-rounded { font-size: 18px; color: #34d399; }
.subj-toast b { font-weight: 800; }
.subj-toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 600px) {
  .tb-center:has(.tb-subj-pill) .tb-title { display: none; }
  .tb-subj-pill { margin-left: 6px; font-size: 11px; padding: 3px 9px; }
  .tb-subj-pill .material-symbols-rounded { font-size: 14px; }
  .tb-subj-pill #tbSubjText { max-width: 42vw; }
  .subj-toast { bottom: 78px; font-size: 12px; padding: 8px 14px; max-width: 90vw; }
}