/* ============================================================
   XYSHIMA — AI Study Platform
   Theme token system + layout
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&family=Permanent+Marker&family=Bangers&family=Quicksand:wght@400;500;600;700&family=Baloo+2:wght@400;600;700;800&family=Cormorant+Garamond:wght@400;500;600;700&family=DM+Sans:wght@400;500;700&family=Creepster&family=Caveat:wght@500;600;700&display=swap');

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .35s ease, color .35s ease;
}
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: var(--on-accent); }

/* ============================================================
   THEME 1 — EMERALD (default / owl brand)
   ============================================================ */
:root, [data-theme="emerald"] {
  --font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-accent: 'Plus Jakarta Sans', system-ui, sans-serif;

  --bg: #ffffff;
  --canvas: #ffffff;
  --surface: #ffffff;
  --surface-2: #f6faf9;
  --surface-3: #edf6f4;
  --border: #e4ecea;
  --border-strong: #cfe0dc;

  --text: #0f2b27;
  --text-dim: #6b8380;
  --text-faint: #9db0ad;

  --accent: #0e7c6b;
  --accent-2: #14b8a6;
  --accent-3: #0b5d51;
  --on-accent: #ffffff;
  --accent-soft: #e2f4f0;
  --accent-grad: linear-gradient(90deg, #0e7c6b, #14b8a6);

  --sidebar-bg: #ffffff;
  --sidebar-active: #e6f4f1;
  --topbar-bg: #ffffff;

  --ok: #0e9f6e;
  --warn: #d97706;
  --bad: #dc2626;
  --info: #2563eb;

  --radius: 14px;
  --radius-lg: 18px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(15,43,39,.05), 0 8px 24px rgba(15,43,39,.05);
  --shadow-lg: 0 12px 40px rgba(15,43,39,.10);
  --ring-track: #e8f1ef;
  --deco-opacity: 0;
  --letter: 0;
}

/* ============================================================
   THEME 2 — DARK GEN Z (neon + doodles)
   ============================================================ */
[data-theme="genz"] {
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'Outfit', system-ui, sans-serif;
  --font-accent: 'Caveat', cursive;

  --bg: #06060b;
  --canvas: #0a0a12;
  --surface: #12121d;
  --surface-2: #171727;
  --surface-3: #1e1e33;
  --border: #262640;
  --border-strong: #383860;

  --text: #f2f0ff;
  --text-dim: #a09ec4;
  --text-faint: #6f6d94;

  --accent: #a855f7;
  --accent-2: #22d3ee;
  --accent-3: #ec4899;
  --on-accent: #ffffff;
  --accent-soft: #241b3d;
  --accent-grad: linear-gradient(90deg, #ec4899, #a855f7 45%, #22d3ee);

  --sidebar-bg: #0a0a12;
  --sidebar-active: linear-gradient(90deg, rgba(168,85,247,.28), rgba(34,211,238,.10));
  --topbar-bg: #0a0a12;

  --ok: #34d399;
  --warn: #fbbf24;
  --bad: #fb7185;
  --info: #60a5fa;

  --radius: 14px;
  --radius-lg: 18px;
  --radius-sm: 10px;
  --shadow: 0 0 0 1px rgba(255,255,255,.03), 0 8px 30px rgba(168,85,247,.10);
  --shadow-lg: 0 0 40px rgba(168,85,247,.20);
  --ring-track: #22223a;
  --deco-opacity: 1;
  --letter: 0;
}

/* ============================================================
   THEME 3 — HALLOWEEN
   ============================================================ */
[data-theme="halloween"] {
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'Outfit', system-ui, sans-serif;
  --font-accent: 'Creepster', cursive;

  --bg: #0a0611;
  --canvas: #0d0816;
  --surface: #150d22;
  --surface-2: #1c1230;
  --surface-3: #26183f;
  --border: #33204f;
  --border-strong: #4a2d6e;

  --text: #f6ecff;
  --text-dim: #b299cc;
  --text-faint: #7d6494;

  --accent: #f97316;
  --accent-2: #a855f7;
  --accent-3: #fb923c;
  --on-accent: #1a0d00;
  --accent-soft: #2c1a10;
  --accent-grad: linear-gradient(90deg, #f97316, #7c3aed);

  --sidebar-bg: #0d0816;
  --sidebar-active: linear-gradient(90deg, rgba(249,115,22,.22), transparent);
  --topbar-bg: #0d0816;

  --ok: #84cc16;
  --warn: #f97316;
  --bad: #ef4444;
  --info: #a855f7;

  --radius: 14px;
  --radius-lg: 18px;
  --radius-sm: 10px;
  --shadow: 0 0 0 1px rgba(249,115,22,.08), 0 8px 30px rgba(0,0,0,.5);
  --shadow-lg: 0 0 40px rgba(249,115,22,.18);
  --ring-track: #2a1c3d;
  --deco-opacity: 1;
  --letter: 0;
}

/* ============================================================
   THEME 4 — GIRLISH (soft pink, bows)
   ============================================================ */
[data-theme="girlish"] {
  --font-display: 'Baloo 2', cursive;
  --font-body: 'Quicksand', system-ui, sans-serif;
  --font-accent: 'Caveat', cursive;

  --bg: #fff7fa;
  --canvas: #fffafc;
  --surface: #ffffff;
  --surface-2: #fff2f7;
  --surface-3: #ffe8f1;
  --border: #ffdcea;
  --border-strong: #ffc2dc;

  --text: #4a2036;
  --text-dim: #a1728c;
  --text-faint: #c79bb2;

  --accent: #f0629c;
  --accent-2: #ff9ec7;
  --accent-3: #d946a0;
  --on-accent: #ffffff;
  --accent-soft: #ffe4ef;
  --accent-grad: linear-gradient(90deg, #ffb3d1, #f0629c 60%, #c084fc);

  --sidebar-bg: #fffafc;
  --sidebar-active: linear-gradient(90deg, #ffd9e8, #ffe9f3);
  --topbar-bg: #fffafc;

  --ok: #34d399;
  --warn: #fbbf24;
  --bad: #fb7185;
  --info: #a78bfa;

  --radius: 18px;
  --radius-lg: 24px;
  --radius-sm: 12px;
  --shadow: 0 2px 4px rgba(240,98,156,.06), 0 10px 30px rgba(240,98,156,.08);
  --shadow-lg: 0 16px 40px rgba(240,98,156,.14);
  --ring-track: #ffe4ef;
  --deco-opacity: 1;
  --letter: 0;
}

/* ============================================================
   THEME 5 — PUNK (black / hot pink / lime, torn tape)
   ============================================================ */
[data-theme="punk"] {
  --font-display: 'Permanent Marker', cursive;
  --font-body: 'Outfit', system-ui, sans-serif;
  --font-accent: 'Permanent Marker', cursive;

  --bg: #050505;
  --canvas: #0a0a0a;
  --surface: #121212;
  --surface-2: #181818;
  --surface-3: #202020;
  --border: #2b2b2b;
  --border-strong: #404040;

  --text: #ffffff;
  --text-dim: #a3a3a3;
  --text-faint: #6b6b6b;

  --accent: #ff1e6d;
  --accent-2: #b6ff2e;
  --accent-3: #3b82f6;
  --on-accent: #000000;
  --accent-soft: #2a0a17;
  --accent-grad: linear-gradient(90deg, #ff1e6d, #ff1e6d);

  --sidebar-bg: #0a0a0a;
  --sidebar-active: #ff1e6d;
  --topbar-bg: #0a0a0a;

  --ok: #b6ff2e;
  --warn: #facc15;
  --bad: #ff1e6d;
  --info: #3b82f6;

  --radius: 4px;
  --radius-lg: 6px;
  --radius-sm: 3px;
  --shadow: 0 0 0 1px rgba(255,255,255,.06);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.7);
  --ring-track: #262626;
  --deco-opacity: 1;
  --letter: .04em;
}

/* ============================================================
   THEME 6 — BOHO (cream, olive, terracotta)
   ============================================================ */
[data-theme="boho"] {
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-accent: 'Cormorant Garamond', serif;

  --bg: #faf6ef;
  --canvas: #fdfaf4;
  --surface: #fffdf8;
  --surface-2: #f6f0e4;
  --surface-3: #efe7d7;
  --border: #e6dcc8;
  --border-strong: #d5c6a9;

  --text: #3d3527;
  --text-dim: #8a7c62;
  --text-faint: #ab9c81;

  --accent: #b8613c;
  --accent-2: #7d8a5c;
  --accent-3: #8c4a2b;
  --on-accent: #fffdf8;
  --accent-soft: #f2e3d8;
  --accent-grad: linear-gradient(90deg, #b8613c, #c97a52);

  --sidebar-bg: #4a4f3a;
  --sidebar-active: #fdfaf4;
  --topbar-bg: #fdfaf4;

  --ok: #7d8a5c;
  --warn: #c9852f;
  --bad: #b04a3a;
  --info: #6b7f8f;

  --radius: 12px;
  --radius-lg: 16px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(61,53,39,.04), 0 8px 24px rgba(61,53,39,.06);
  --shadow-lg: 0 14px 36px rgba(61,53,39,.10);
  --ring-track: #eae0cd;
  --deco-opacity: 1;
  --letter: 0;
}

/* Boho sidebar is dark olive — flip its text */
[data-theme="boho"] .sidebar { color: #f2ede1; }
[data-theme="boho"] .nav-item { color: #d8d2c2; }
[data-theme="boho"] .nav-item:hover { background: rgba(255,255,255,.08); color: #fff; }
[data-theme="boho"] .nav-item.active { background: var(--sidebar-active); color: var(--accent); }
[data-theme="boho"] .brand-name { -webkit-text-fill-color: transparent; }
[data-theme="boho"] .upsell { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.12); }
[data-theme="boho"] .upsell p { color: #cfc8b6; }
[data-theme="boho"] .upsell h4 { color: #fff; }

/* ============================================================
   APP SHELL
   ============================================================ */
.app { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 18px 14px;
  position: sticky; top: 0; height: 100vh;
  z-index: 40;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 2px 8px 22px; }
.brand-mark { width: 50px; height: 66px; flex-shrink: 0; display:flex; align-items:center; justify-content:center; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; display: block; filter: drop-shadow(0 4px 10px rgba(14,124,107,.22)); }
.brand-owl { position: relative; }
.blink-owl { position: relative; }
.brand-owl-base { position: relative; z-index: 1; }
.brand-owl-lids, .owl-blink-lids {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2;
  pointer-events: none; overflow: visible;
}
.brand-owl-lids .lid, .owl-blink-lids .lid {
  opacity: 0; transform-box: fill-box; transform-origin: center center;
  transform: scaleY(.08); transition: opacity .06s ease, transform .08s ease;
}
.brand-owl.blink .brand-owl-lids .lid, .blink-owl.blink .owl-blink-lids .lid { opacity: 1; transform: scaleY(1); }
@media (prefers-reduced-motion: reduce) {
  .brand-owl-lids .lid, .brand-owl.blink .brand-owl-lids .lid, .owl-blink-lids .lid, .blink-owl.blink .owl-blink-lids .lid { transition: none; }
}
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name {
  font-family: var(--font-display); font-weight: 800; font-size: 22px;
  letter-spacing: .05em;
  background: linear-gradient(90deg, #19d86c 0%, #0db7d7 46%, #0a5f67 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.brand-sub {
  font-size: 7.6px; letter-spacing: .22em; color: #0f6e71; margin-top: 4px; text-transform: uppercase;
  font-weight: 700;
}

.nav { display: flex; flex-direction: column; gap: 3px; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 13px; border-radius: var(--radius-sm);
  color: var(--text-dim); font-weight: 600; font-size: 14.5px;
  letter-spacing: var(--letter);
  transition: background .18s, color .18s, transform .18s;
  position: relative; text-align: left; width: 100%;
}
.nav-item svg { width: 19px; height: 19px; flex-shrink: 0; }
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active { background: var(--sidebar-active); color: var(--accent); font-weight: 700; }
[data-theme="punk"] .nav-item.active { color: #fff; transform: rotate(-.6deg); }
[data-theme="genz"] .nav-item.active,
[data-theme="halloween"] .nav-item.active { color: var(--text); }
.nav-item .spark { margin-left: auto; opacity: 0; transition: opacity .2s; }
.nav-item.active .spark { opacity: 1; }

.upsell {
  margin-top: auto; padding: 16px; border-radius: var(--radius);
  background: var(--surface-2); border: 1px solid var(--border);
}
.upsell h4 { margin: 0 0 6px; font-size: 14px; display: flex; align-items: center; gap: 6px; font-family: var(--font-display); }
.upsell p { margin: 0 0 14px; font-size: 12.5px; color: var(--text-dim); line-height: 1.5; }
.upsell button {
  width: 100%; padding: 11px; border-radius: var(--radius-sm);
  background: var(--accent-grad); color: var(--on-accent);
  font-weight: 700; font-size: 13.5px; letter-spacing: var(--letter);
  font-family: var(--font-display);
}
[data-theme="emerald"] .upsell button { background: var(--accent); }
[data-theme="punk"] .upsell button { background: var(--accent-2); color: #000; }

/* ---------- Main ---------- */
.main { display: flex; flex-direction: column; min-width: 0; background: var(--canvas); }

.topbar {
  display: flex; align-items: center; gap: 8px;
  padding: 0 24px; height: 64px;
  border-bottom: 1px solid var(--border);
  background: var(--topbar-bg);
  position: sticky; top: 0; z-index: 30;
}
.tabs { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  padding: 9px 14px; font-size: 14.5px; font-weight: 600; color: var(--text-dim);
  border-radius: var(--radius-sm); white-space: nowrap; position: relative;
  letter-spacing: var(--letter); font-family: var(--font-body);
  transition: color .18s;
}
[data-theme="punk"] .tab { font-family: var(--font-display); text-transform: uppercase; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); font-weight: 700; }
.tab.active::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: -13px;
  height: 2.5px; background: var(--accent); border-radius: 2px;
}
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }

.btn-pro {
  display: flex; align-items: center; gap: 7px;
  padding: 10px 18px; border-radius: 999px;
  background: var(--accent-grad); color: var(--on-accent);
  font-weight: 700; font-size: 13.5px; letter-spacing: var(--letter);
  font-family: var(--font-display);
}
[data-theme="emerald"] .btn-pro { background: var(--accent-soft); color: var(--accent); }
[data-theme="halloween"] .btn-pro { background: transparent; border: 1.5px solid var(--accent); color: var(--accent); }
[data-theme="punk"] .btn-pro { border-radius: 3px; text-transform: uppercase; }
[data-theme="girlish"] .btn-pro { background: transparent; border: 1.5px solid var(--accent); color: var(--accent); }
[data-theme="boho"] .btn-pro { background: transparent; border: 1px solid var(--accent); color: var(--accent); }

.icon-btn {
  position: relative; width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center; color: var(--text-dim);
  transition: background .18s;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.badge-dot {
  position: absolute; top: 4px; right: 4px; min-width: 16px; height: 16px;
  border-radius: 999px; background: var(--bad); color: #fff;
  font-size: 10px; font-weight: 800; display: grid; place-items: center;
  border: 2px solid var(--topbar-bg); padding: 0 3px;
}
.user { display: flex; align-items: center; gap: 9px; padding: 4px; border-radius: 999px; }
.user:hover { background: var(--surface-2); }
.avatar { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; background: var(--surface-3); }
.user-meta { display: flex; flex-direction: column; line-height: 1.25; text-align: left; }
.user-name { font-size: 13.5px; font-weight: 700; }
.user-role { font-size: 11.5px; color: var(--text-dim); }

/* ---------- Page canvas ---------- */
.page { padding: 26px 28px 60px; max-width: 1680px; width: 100%; }
.page-head { margin-bottom: 22px; }
.greeting {
  font-family: var(--font-display); font-size: 32px; font-weight: 800;
  margin: 0 0 5px; letter-spacing: -.01em; line-height: 1.15;
}
[data-theme="boho"] .greeting { font-weight: 600; font-size: 38px; letter-spacing: 0; }
[data-theme="punk"] .greeting { text-transform: uppercase; font-size: 30px; }
.accent-word {
  background: var(--accent-grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; font-family: var(--font-accent);
}
.subtle { color: var(--text-dim); font-size: 14.5px; margin: 0; }

.head-row { display: flex; align-items: flex-start; gap: 20px; flex-wrap: wrap; }
.search {
  margin-left: auto; display: flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 999px; padding: 11px 16px; min-width: 320px; flex: 0 1 380px;
  color: var(--text-faint);
}
.search input { background: none; border: none; outline: none; flex: 1; font-size: 14px; color: var(--text); }
.search input::placeholder { color: var(--text-faint); }
.kbd {
  font-size: 11px; padding: 3px 7px; border-radius: 6px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-faint);
  font-weight: 600;
}

/* ---------- Grid ---------- */
.dash-grid { display: grid; grid-template-columns: minmax(0,1fr) 420px; gap: 18px; align-items: start; }
.col { display: flex; flex-direction: column; gap: 18px; min-width: 0; }

/* ---------- Card primitive ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
  box-shadow: var(--shadow); position: relative; overflow: hidden;
}
[data-theme="punk"] .card { border-color: var(--border-strong); }
.card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.card-title {
  font-family: var(--font-display); font-size: 17px; font-weight: 700; margin: 0;
  letter-spacing: var(--letter);
}
[data-theme="punk"] .card-title { text-transform: uppercase; font-size: 16px; }
[data-theme="boho"] .card-title { font-size: 21px; font-weight: 600; }
.card-link {
  margin-left: auto; font-size: 13.5px; font-weight: 600; color: var(--accent);
  display: flex; align-items: center; gap: 4px;
}
.card-link:hover { text-decoration: underline; }
.chip {
  font-size: 11.5px; font-weight: 700; padding: 3px 9px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
}
[data-theme="genz"] .chip, [data-theme="halloween"] .chip { background: var(--surface-3); }

/* ---------- Subject strip ---------- */
.subject-strip { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.subject-id { display: flex; align-items: center; gap: 14px; }
.subject-icon {
  width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); flex-shrink: 0;
}
[data-theme="genz"] .subject-icon { background: linear-gradient(135deg,#7c3aed,#4f46e5); color: #fff; }
[data-theme="halloween"] .subject-icon { background: linear-gradient(135deg,#7c3aed,#4c1d95); color: #fff; }
.subject-name { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin: 0 0 4px; }
.subject-exam { font-size: 13px; color: var(--text-dim); display: flex; align-items: center; gap: 6px; }
.stat-sep { width: 1px; align-self: stretch; background: var(--border); }
.stat { display: flex; flex-direction: column; gap: 3px; }
.stat-label { font-size: 12.5px; color: var(--text-dim); font-weight: 500; }
.stat-value { font-family: var(--font-display); font-size: 26px; font-weight: 800; display: flex; align-items: center; gap: 5px; }
.stat-value.grade-target { color: var(--accent); }
.spark { margin-left: auto; }

/* ---------- Task cards ---------- */
.task-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; align-items: stretch; }
.task {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px; background: var(--surface-2); position: relative;
  transition: transform .18s, box-shadow .18s;
  display: flex; flex-direction: column;
}
.task p { flex: 1; }
.task:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.task-top { display: flex; align-items: flex-start; margin-bottom: 12px; }
.task-icon { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; color: #fff; }
.task-time {
  margin-left: auto; font-size: 11.5px; font-weight: 700; padding: 3px 9px;
  border-radius: 999px; background: var(--surface-3); color: var(--text-dim);
}
.task h4 { margin: 0 0 3px; font-size: 14.5px; font-weight: 700; font-family: var(--font-display); }
.task p { margin: 0 0 12px; font-size: 12.5px; color: var(--text-dim); }
.progress-row { display: flex; align-items: center; gap: 8px; }
.progress-row span { font-size: 11.5px; font-weight: 700; color: var(--text-dim); min-width: 26px; }
.bar { flex: 1; height: 5px; border-radius: 99px; background: var(--ring-track); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 99px; background: var(--accent); transition: width .5s; }

.btn-session {
  width: 100%; padding: 15px; border-radius: var(--radius);
  background: var(--accent-grad); color: var(--on-accent);
  font-family: var(--font-display); font-weight: 700; font-size: 16px;
  display: flex; align-items: center; justify-content: center; gap: 9px;
  letter-spacing: var(--letter); margin-top: 14px;
  transition: transform .18s, filter .18s;
}
.btn-session:hover { transform: translateY(-1px); filter: brightness(1.06); }
[data-theme="emerald"] .btn-session { background: var(--accent); }
[data-theme="punk"] .btn-session { text-transform: uppercase; transform: rotate(-.4deg); }
[data-theme="punk"] .btn-session:hover { transform: rotate(-.4deg) translateY(-1px); }

/* ---------- Mastery rings ---------- */
.mastery-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.mastery { display: flex; flex-direction: column; align-items: center; gap: 9px; padding: 4px 0; }
.mastery-label { font-size: 13px; color: var(--text-dim); font-weight: 600; }
.ring { position: relative; width: 92px; height: 92px; }
.ring svg { transform: rotate(-90deg); width: 100%; height: 100%; }
.ring-val {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--font-display); font-size: 19px; font-weight: 800;
}
.mastery-tag { font-size: 12.5px; font-weight: 700; }

/* ---------- Materials ---------- */
.mat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.mat {
  display: flex; align-items: center; gap: 11px; padding: 13px;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-2);
  transition: transform .18s, border-color .18s;
}
.mat:hover { transform: translateY(-2px); border-color: var(--accent); }
.mat-badge {
  width: 34px; height: 40px; border-radius: 6px; display: grid; place-items: center;
  font-size: 9px; font-weight: 800; color: #fff; flex-shrink: 0;
}
.mat-badge.pdf { background: #dc2626; }
.mat-badge.docx { background: #2563eb; }
.mat-body { min-width: 0; flex: 1; }
.mat-body h5 { margin: 0 0 3px; font-size: 13px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mat-body span { font-size: 11.5px; color: var(--text-dim); }
.mat.upload { border-style: dashed; cursor: pointer; }
.mat.upload .mat-badge { background: var(--surface-3); color: var(--text-dim); }

/* ---------- AI Teacher rail ---------- */
.ai-card { padding: 18px; }
.ai-card-preview { padding: 16px; border-radius: 20px; }
.ai-head { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.ai-head h3 { margin: 0; font-family: var(--font-display); font-size: 16.5px; font-weight: 700; }
.ai-head-preview { margin-bottom: 16px; }
.ai-head-mark {
  width: 22px; height: 22px; border-radius: 999px;
  display: grid; place-items: center; flex-shrink: 0;
  color: var(--accent); background: var(--accent-soft);
}
.ai-beta {
  margin-left: auto; padding: 4px 10px; border: 0;
  background: #eef0f3; color: #6b7280;
  font-size: 11px; font-weight: 700; letter-spacing: .01em;
}
.ai-intro { display: flex; gap: 12px; margin-bottom: 14px; }
.ai-intro-preview { align-items: center; gap: 16px; margin-bottom: 16px; }
.ai-avatar {
  width: 64px; height: 64px; border-radius: 16px; flex-shrink: 0;
  display: grid; place-items: center; background: var(--accent-soft);
  overflow: hidden;
}
.ai-avatar-owl {
  width: 122px; height: 122px; border-radius: 999px;
  background: radial-gradient(circle at 45% 35%, rgba(255,255,255,.98), rgba(255,255,255,.78) 44%, rgba(20,184,166,.10) 100%), #eef8f5;
  box-shadow: inset 0 0 0 1px rgba(14,124,107,.08), 0 4px 14px rgba(14,124,107,.06);
}
.ai-avatar-owl img {
  width: 118px; height: 118px; display: block; object-fit: contain;
  transform: translateY(18px) scale(1.16);
  transform-origin: center center;
  filter: drop-shadow(0 6px 14px rgba(14,124,107,.20));
}
.ai-avatar-owl .owl-blink-lids {
  transform: translateY(18px) scale(1.16);
  transform-origin: center center;
}
[data-theme="genz"] .ai-avatar, [data-theme="halloween"] .ai-avatar { background: var(--surface-3); }
.ai-avatar svg { width: 46px; height: 46px; }
.ai-bubble {
  flex: 1; background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 14px; font-size: 13.5px; line-height: 1.5;
  position: relative;
}
.ai-bubble-preview {
  background: #fbfbfb; border: 1px solid #ececec; border-radius: 18px;
  color: #353c44; padding: 16px 18px 12px; line-height: 1.45;
  box-shadow: 0 3px 10px rgba(18,31,38,.04);
}
.ai-bubble-preview::before {
  content: ''; position: absolute; left: -8px; top: 26px; width: 16px; height: 16px;
  background: #fbfbfb; border-left: 1px solid #ececec; border-bottom: 1px solid #ececec;
  transform: rotate(45deg);
}
.ai-bubble-preview p { margin: 0; }
.ai-bubble-preview p + p { margin-top: 6px; }
.ai-bubble time { display: block; font-size: 11px; color: var(--text-faint); margin-top: 7px; }
.ai-bubble-preview time {
  text-align: right; font-size: 11.5px; margin-top: 10px;
  color: #9aa3ad; font-weight: 600;
}
.ai-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-bottom: 12px; }
.ai-actions-preview { gap: 10px; margin-bottom: 0; }
.ai-action {
  display: flex; align-items: center; gap: 8px; padding: 11px 13px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface-2); font-size: 13.5px; font-weight: 600;
  transition: border-color .18s, transform .18s, background .18s;
  letter-spacing: var(--letter);
}
.ai-action-preview {
  justify-content: flex-start; min-height: 54px; padding: 12px 15px;
  border-radius: 14px; background: #fff; border-color: #eaecef;
  color: #44505b; font-size: 14px; box-shadow: 0 1px 2px rgba(18,31,38,.03);
}
.ai-action-icon {
  width: 26px; height: 26px; border-radius: 999px; display: grid; place-items: center;
  flex-shrink: 0; background: var(--accent-soft); color: var(--accent);
}
.ai-action:hover { border-color: var(--accent); transform: translateY(-1px); }
.ai-action-preview:hover { border-color: rgba(14,124,107,.30); background: #fcfffe; }
[data-theme="punk"] .ai-action { text-transform: uppercase; font-family: var(--font-body); font-weight: 700; }
[data-theme="punk"] .ai-action-preview { text-transform: uppercase; }
.ai-input {
  display: flex; align-items: center; gap: 10px; padding: 8px 8px 8px 16px;
  border: 1px solid var(--border); border-radius: 999px; background: var(--surface-2);
}
@media (max-width: 420px) {
  .ai-intro-preview { flex-direction: column; align-items: flex-start; }
  .ai-bubble-preview::before {
    left: 26px; top: -8px; border-left: 1px solid #ececec;
    border-top: 1px solid #ececec; border-bottom: 0;
  }
  .ai-avatar-owl { width: 102px; height: 102px; }
  .ai-avatar-owl img { width: 96px; height: 96px; transform: translateY(15px) scale(1.12); }
  .ai-avatar-owl .owl-blink-lids { transform: translateY(15px) scale(1.12); }
}
.ai-input input { flex: 1; background: none; border: none; outline: none; font-size: 14px; }
.ai-input input::placeholder { color: var(--text-faint); }
.send {
  width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent); color: var(--on-accent); flex-shrink: 0;
  transition: transform .18s;
}
.send:hover { transform: scale(1.06); }
[data-theme="genz"] .send, [data-theme="girlish"] .send { background: var(--accent-grad); }

/* ---------- Mini stat tiles ---------- */
.tile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tile {
  display: flex; align-items: center; gap: 12px; padding: 15px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.tile-icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; flex-shrink: 0; font-size: 19px; }
.tile-body { min-width: 0; }
.tile-value { font-family: var(--font-display); font-size: 19px; font-weight: 800; line-height: 1.2; }
.tile-label { font-size: 12.5px; color: var(--text-dim); }
.tile-link { font-size: 12px; color: var(--accent); font-weight: 600; }
.tile-sub { font-size: 11.5px; color: var(--ok); font-weight: 600; }

/* ---------- Recommended session ---------- */
.reco {
  border-radius: var(--radius-lg); padding: 18px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
  color: #fff; border: 1px solid var(--border);
}
[data-theme="emerald"] .reco { background: linear-gradient(135deg,#0b5d51,#0e7c6b); }
[data-theme="genz"] .reco { background: linear-gradient(135deg,#4c1d95,#1e1b4b); }
[data-theme="halloween"] .reco { background: linear-gradient(135deg,#7c2d12,#1c1230); }
[data-theme="girlish"] .reco { background: linear-gradient(135deg,#7c3aed,#4c1d95); }
[data-theme="punk"] .reco { background: #0d0d0d; border: 2px solid var(--info); }
[data-theme="boho"] .reco { background: linear-gradient(135deg,#8c4a2b,#4a4f3a); }
.reco-eyebrow { display: flex; align-items: center; gap: 7px; font-size: 12.5px; opacity: .9; margin-bottom: 9px; }
.reco h3 { margin: 0 0 4px; font-family: var(--font-display); font-size: 19px; font-weight: 700; }
.reco .sess { font-size: 13.5px; opacity: .92; margin: 0 0 3px; }
.reco .focus { font-size: 12.5px; opacity: .75; margin: 0 0 14px; }
.reco-bar { height: 6px; border-radius: 99px; background: rgba(255,255,255,.22); overflow: hidden; margin-bottom: 14px; position: relative; }
.reco-bar i { display: block; height: 100%; background: #fff; border-radius: 99px; }
.reco-pct { position: absolute; right: 0; top: -20px; font-size: 12px; font-weight: 700; }
.btn-continue {
  width: 100%; padding: 13px; border-radius: var(--radius-sm);
  background: #fff; color: #12100e; font-weight: 700; font-size: 14.5px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-display); letter-spacing: var(--letter);
}
[data-theme="punk"] .btn-continue { background: var(--accent-2); text-transform: uppercase; }
[data-theme="genz"] .btn-continue { background: linear-gradient(90deg,#22d3ee,#a855f7); color: #fff; }
[data-theme="halloween"] .btn-continue { background: var(--accent); color: #1a0d00; }
[data-theme="girlish"] .btn-continue { background: linear-gradient(90deg,#ff9ec7,#f0629c); color: #fff; }

/* ============================================================
   SUBPAGES
   ============================================================ */
.page-title { font-family: var(--font-display); font-size: 28px; font-weight: 800; margin: 0 0 4px; }
[data-theme="boho"] .page-title { font-weight: 600; font-size: 34px; }
[data-theme="punk"] .page-title { text-transform: uppercase; }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px,1fr)); gap: 16px; }
.split { display: grid; grid-template-columns: 300px minmax(0,1fr); gap: 18px; align-items: start; }
.split-wide { display: grid; grid-template-columns: minmax(0,1fr) 340px; gap: 18px; align-items: start; }

/* Subject cards */
.subj-card { cursor: pointer; transition: transform .18s, border-color .18s; }
.subj-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.subj-top { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.subj-meta { display: flex; gap: 18px; margin-bottom: 14px; }
.subj-meta div { display: flex; flex-direction: column; }
.subj-meta b { font-family: var(--font-display); font-size: 20px; }
.subj-meta span { font-size: 12px; color: var(--text-dim); }

/* AI Tutor */
.chat-wrap { display: flex; flex-direction: column; height: calc(100vh - 200px); min-height: 480px; }
.chat-log { flex: 1; overflow-y: auto; padding: 4px 4px 16px; display: flex; flex-direction: column; gap: 16px; }
.msg { display: flex; gap: 12px; max-width: 86%; }
.msg.me { align-self: flex-end; flex-direction: row-reverse; }
.msg-av {
  width: 36px; height: 36px; border-radius: 11px; flex-shrink: 0;
  display: grid; place-items: center; background: var(--accent-soft); color: var(--accent);
  font-weight: 800; font-size: 13px; overflow: hidden;
}
.msg-av img { width: 100%; height: 100%; object-fit: cover; }
.msg-body {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 13px 16px; font-size: 14.5px; line-height: 1.6;
}
.msg.me .msg-body { background: var(--accent-soft); border-color: transparent; }
[data-theme="genz"] .msg.me .msg-body,
[data-theme="halloween"] .msg.me .msg-body,
[data-theme="punk"] .msg.me .msg-body { background: var(--surface-3); }
.msg-body p { margin: 0 0 10px; }
.msg-body p:last-child { margin: 0; }
.msg-body code { background: var(--surface-3); padding: 2px 6px; border-radius: 5px; font-size: 13px; }
.msg-body pre { background: var(--surface-3); padding: 12px; border-radius: var(--radius-sm); overflow-x: auto; }
.msg-body ul, .msg-body ol { margin: 0 0 10px; padding-left: 20px; }
.msg-body li { margin-bottom: 5px; }
.msg-body h3 { font-size: 15px; margin: 12px 0 6px; font-family: var(--font-display); }
.typing span {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--text-faint); margin-right: 4px; animation: bounce 1.2s infinite;
}
.typing span:nth-child(2) { animation-delay: .15s; }
.typing span:nth-child(3) { animation-delay: .3s; }
@keyframes bounce { 0%,60%,100% { transform: translateY(0); opacity:.4 } 30% { transform: translateY(-5px); opacity:1 } }

.composer {
  display: flex; align-items: flex-end; gap: 10px; padding: 10px 10px 10px 18px;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); box-shadow: var(--shadow);
}
.composer textarea {
  flex: 1; background: none; border: none; outline: none; resize: none;
  font-size: 15px; line-height: 1.5; max-height: 160px; padding: 9px 0;
}
.composer textarea::placeholder { color: var(--text-faint); }

.prompt-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.prompt-chip {
  padding: 8px 14px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--surface); font-size: 13px; font-weight: 600; color: var(--text-dim);
  transition: border-color .18s, color .18s;
}
.prompt-chip:hover { border-color: var(--accent); color: var(--accent); }

/* Planner */
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
.day-col { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px; min-height: 300px; }
.day-head { text-align: center; padding-bottom: 10px; border-bottom: 1px solid var(--border); margin-bottom: 10px; }
.day-name { font-size: 11.5px; color: var(--text-dim); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.day-num { font-family: var(--font-display); font-size: 20px; font-weight: 800; }
.day-col.today .day-num { color: var(--accent); }
.day-col.today { border-color: var(--accent); }
.slot {
  padding: 9px 10px; border-radius: var(--radius-sm); margin-bottom: 7px;
  background: var(--surface); border-left: 3px solid var(--accent); font-size: 12px;
  cursor: pointer; transition: transform .15s;
}
.slot:hover { transform: translateX(2px); }
.slot b { display: block; font-size: 12.5px; margin-bottom: 2px; font-weight: 700; }
.slot span { color: var(--text-dim); font-size: 11px; }

/* Notes */
.note-item {
  padding: 13px 15px; border-radius: var(--radius-sm); cursor: pointer;
  border: 1px solid transparent; transition: background .15s;
}
.note-item:hover { background: var(--surface-2); }
.note-item.active { background: var(--accent-soft); border-color: var(--accent); }
[data-theme="genz"] .note-item.active, [data-theme="halloween"] .note-item.active,
[data-theme="punk"] .note-item.active { background: var(--surface-3); }
.note-item h5 { margin: 0 0 3px; font-size: 14px; font-weight: 700; }
.note-item p { margin: 0; font-size: 12px; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.note-editor { min-height: 460px; }
.note-editor .title-input {
  width: 100%; background: none; border: none; outline: none;
  font-family: var(--font-display); font-size: 24px; font-weight: 800; margin-bottom: 6px;
}
.note-editor .body-input {
  width: 100%; background: none; border: none; outline: none; resize: vertical;
  font-size: 15px; line-height: 1.7; min-height: 380px; font-family: var(--font-body);
}

/* Flashcards */
.flash-stage { display: grid; place-items: center; min-height: 400px; }
.flashcard {
  width: min(560px, 100%); height: 320px; perspective: 1400px; cursor: pointer;
}
.flash-inner {
  position: relative; width: 100%; height: 100%; transition: transform .6s;
  transform-style: preserve-3d;
}
.flashcard.flipped .flash-inner { transform: rotateY(180deg); }
.flash-face {
  position: absolute; inset: 0; backface-visibility: hidden;
  display: grid; place-items: center; padding: 40px; text-align: center;
  border-radius: var(--radius-lg); border: 1px solid var(--border);
  background: var(--surface); box-shadow: var(--shadow-lg);
}
.flash-face.back { transform: rotateY(180deg); background: var(--accent-soft); }
[data-theme="genz"] .flash-face.back, [data-theme="halloween"] .flash-face.back,
[data-theme="punk"] .flash-face.back { background: var(--surface-3); }
.flash-face .q { font-family: var(--font-display); font-size: 24px; font-weight: 700; line-height: 1.4; }
.flash-face .a { font-size: 17px; line-height: 1.6; }
.flash-hint { position: absolute; bottom: 16px; left: 0; right: 0; font-size: 12px; color: var(--text-faint); }
.flash-controls { display: flex; gap: 10px; justify-content: center; margin-top: 22px; flex-wrap: wrap; }
.btn {
  padding: 11px 20px; border-radius: var(--radius-sm); font-weight: 700; font-size: 14px;
  border: 1px solid var(--border); background: var(--surface); transition: transform .15s, border-color .15s;
  letter-spacing: var(--letter); font-family: var(--font-display);
}
.btn:hover { transform: translateY(-1px); border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--on-accent); border-color: transparent; }
.btn.grad { background: var(--accent-grad); color: var(--on-accent); border-color: transparent; }
.btn.ok { background: var(--ok); color: #fff; border-color: transparent; }
.btn.bad { background: var(--bad); color: #fff; border-color: transparent; }
.btn.ghost { background: transparent; }

/* Journal */
.entry {
  padding: 16px; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--surface-2); margin-bottom: 12px;
}
.entry-head { display: flex; align-items: center; gap: 10px; margin-bottom: 9px; }
.entry-date { font-size: 12.5px; color: var(--text-dim); font-weight: 600; }
.mood { font-size: 20px; }
.entry p { margin: 0; font-size: 14px; line-height: 1.65; color: var(--text-dim); }
.mood-picker { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.mood-btn {
  width: 46px; height: 46px; border-radius: 50%; font-size: 22px;
  border: 2px solid var(--border); background: var(--surface); display: grid; place-items: center;
  transition: transform .15s, border-color .15s;
}
.mood-btn:hover { transform: scale(1.08); }
.mood-btn.sel { border-color: var(--accent); background: var(--accent-soft); }

/* Progress */
.chart-wrap { height: 260px; position: relative; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 12px; }
.legend div { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--text-dim); }
.legend i { width: 11px; height: 11px; border-radius: 3px; }
.heat { display: grid; grid-template-columns: repeat(26, 1fr); gap: 3px; }
.heat i { aspect-ratio: 1; border-radius: 3px; background: var(--ring-track); }

/* Settings */
.set-row {
  display: flex; align-items: center; gap: 16px; padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.set-row:last-child { border-bottom: none; }
.set-row .set-body { flex: 1; min-width: 0; }
.set-row h4 { margin: 0 0 3px; font-size: 14.5px; font-weight: 700; }
.set-row p { margin: 0; font-size: 13px; color: var(--text-dim); line-height: 1.5; }
.input {
  padding: 11px 14px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--surface-2); outline: none; font-size: 14px; width: 100%;
}
.input:focus { border-color: var(--accent); }
.switch { width: 46px; height: 27px; border-radius: 99px; background: var(--ring-track); position: relative; flex-shrink: 0; transition: background .2s; }
.switch i { position: absolute; top: 3px; left: 3px; width: 21px; height: 21px; border-radius: 50%; background: #fff; transition: transform .2s; box-shadow: 0 1px 3px rgba(0,0,0,.3); }
.switch.on { background: var(--accent); }
.switch.on i { transform: translateX(19px); }

/* Theme picker */
.theme-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px,1fr)); gap: 14px; }
.theme-opt {
  border: 2px solid var(--border); border-radius: var(--radius); padding: 0;
  overflow: hidden; text-align: left; transition: transform .18s, border-color .18s;
  background: var(--surface);
}
.theme-opt:hover { transform: translateY(-3px); }
.theme-opt.sel { border-color: var(--accent); }
.theme-swatch { height: 74px; display: flex; }
.theme-swatch i { flex: 1; }
.theme-opt .theme-name { display: block; padding: 11px 13px; font-weight: 700; font-size: 14px; font-family: var(--font-display); }
.theme-opt .theme-desc { display: block; padding: 0 13px 12px; font-size: 12px; color: var(--text-dim); }

/* ---------- Empty / toast ---------- */
.empty { text-align: center; padding: 60px 20px; color: var(--text-dim); }
.empty h3 { font-family: var(--font-display); font-size: 19px; color: var(--text); margin: 14px 0 6px; }
.empty p { margin: 0 0 18px; font-size: 14px; }
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); padding: 13px 22px; border-radius: 999px;
  font-size: 14px; font-weight: 600; opacity: 0; pointer-events: none;
  transition: opacity .25s, transform .25s; z-index: 200;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Decorations (theme flavour layer) ---------- */
.deco { position: fixed; inset: 0; pointer-events: none; z-index: 1; opacity: var(--deco-opacity); }
.deco > div { position: absolute; inset: 0; }
.deco span { position: absolute; user-select: none; }
.sticker { font-size: 26px; opacity: .9; }

/* Gen Z doodle stickers */
.deco-genz .d1 { top: 96px; right: 300px; font-family: 'Caveat', cursive; font-size: 22px; color: #22d3ee;
  border: 2px solid #22d3ee; padding: 4px 10px; border-radius: 8px; transform: rotate(-8deg); font-weight: 700; }
.deco-genz .d2 { bottom: 200px; left: 40px; font-family: 'Caveat', cursive; font-size: 24px; color: #fbbf24; transform: rotate(-12deg); font-weight: 700; }
.deco-genz .d3 { bottom: 90px; right: 60px; font-family: 'Caveat', cursive; font-size: 26px; color: #ec4899; transform: rotate(6deg); font-weight: 700; }
.deco-genz .d4 { top: 340px; left: 268px; font-size: 26px; }

/* Halloween */
.deco-hw .h1 { top: 70px; right: 380px; font-size: 30px; }
.deco-hw .h2 { top: 110px; right: 300px; font-size: 22px; }
.deco-hw .h3 { bottom: 22px; left: 268px; font-size: 34px; }
.deco-hw .h4 { bottom: 26px; left: 320px; font-size: 42px; }
.deco-hw .h5 { bottom: 20px; left: 384px; font-size: 30px; }
.deco-hw::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 78% 8%, rgba(249,115,22,.13), transparent 46%);
}

/* Girlish */
.deco-girl .g1 { top: 92px; right: 340px; font-size: 20px; }
.deco-girl .g2 { bottom: 180px; left: 46px; font-size: 22px; }
.deco-girl .g3 { bottom: 120px; right: 44px; font-size: 24px; }
.deco-girl .g4 { top: 300px; right: 30px; font-size: 18px; }

/* Punk */
.deco-punk .p1 { top: 150px; left: 262px; font-size: 28px; transform: rotate(-14deg); }
.deco-punk .p2 { bottom: 220px; left: 254px; font-size: 26px; transform: rotate(10deg); }
.deco-punk .p3 { bottom: 130px; right: 40px; font-size: 30px; }
.deco-punk .p4 { top: 240px; right: 380px; font-size: 22px; transform: rotate(18deg); }

/* Boho */
.deco-boho .b1 { top: 130px; right: 40px; font-size: 24px; opacity: .5; }
.deco-boho .b2 { bottom: 60px; left: 262px; font-size: 26px; opacity: .45; }
.deco-boho .b3 { bottom: 180px; right: 30px; font-size: 22px; opacity: .5; }

/* Punk texture */
[data-theme="punk"] .card::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 4px 4px;
}
[data-theme="punk"] .card-title::after {
  content: ''; display: block; height: 3px; width: 100%; background: var(--accent);
  margin-top: 3px; border-radius: 2px;
}
[data-theme="punk"] .card-head { align-items: flex-end; }

/* Girlish soft glow */
[data-theme="girlish"] body { background-image: radial-gradient(circle at 12% 8%, #ffe9f3 0%, transparent 40%), radial-gradient(circle at 88% 70%, #f3e8ff 0%, transparent 45%); }

/* ---------- Modal ---------- */
.modal-bg {
  position: fixed; inset: 0; background: rgba(0,0,0,.55); backdrop-filter: blur(3px);
  display: grid; place-items: center; z-index: 150; padding: 20px;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.modal-bg.show { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 26px; width: min(520px, 100%); box-shadow: var(--shadow-lg);
  max-height: 86vh; overflow-y: auto;
}
.modal h3 { margin: 0 0 6px; font-family: var(--font-display); font-size: 21px; }
.modal .sub { margin: 0 0 20px; color: var(--text-dim); font-size: 14px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 7px; }

/* ---------- Quiz ---------- */
.quiz-opt {
  display: flex; align-items: center; gap: 12px; padding: 15px 17px;
  border: 1.5px solid var(--border); border-radius: var(--radius); background: var(--surface);
  margin-bottom: 10px; width: 100%; text-align: left; font-size: 14.5px;
  transition: border-color .15s, transform .15s;
}
.quiz-opt:hover:not(:disabled) { border-color: var(--accent); transform: translateX(3px); }
.quiz-opt .key {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: var(--surface-3); font-weight: 800; font-size: 13px; flex-shrink: 0;
}
.quiz-opt.correct { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.quiz-opt.wrong { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, transparent); }
.quiz-opt:disabled { cursor: default; }

/* ---------- Focus / a11y ---------- */
:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1400px) {
  .dash-grid { grid-template-columns: minmax(0,1fr) 370px; }
  .mat-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 1150px) {
  .dash-grid { grid-template-columns: 1fr; }
  .task-grid { grid-template-columns: repeat(2,1fr); }
  .split, .split-wide { grid-template-columns: 1fr; }
  .week { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; width: 248px;
    transform: translateX(-100%); transition: transform .28s; height: 100dvh;
  }
  .sidebar.open { transform: none; }
  .menu-btn { display: grid !important; }
  .tabs { display: none; }
  .mastery-grid { grid-template-columns: repeat(3,1fr); }
  .page { padding: 18px 16px 60px; }
  .search { min-width: 0; flex: 1 1 100%; margin-left: 0; }
  .deco { display: none; }
  .scrim { display: block; }
}
@media (max-width: 620px) {
  .btn-pro span { display: none; }
  .btn-pro { padding: 10px 13px; }
  .task-grid, .mat-grid, .tile-grid { grid-template-columns: 1fr; }
  .mastery-grid { grid-template-columns: repeat(2,1fr); }
  .week { grid-template-columns: 1fr; }
  .greeting { font-size: 25px; }
  .user-meta { display: none; }
  .subject-strip { gap: 16px; }
  .stat-sep { display: none; }
}
.menu-btn { display: none; }
.scrim { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 35; }
.scrim.show { display: block; }

/* Task icon palettes per theme */
[data-theme="boho"] .task-icon:nth-of-type(1) { filter: none; }
[data-theme="boho"] .task .task-icon { background: var(--accent) !important; }
[data-theme="boho"] .task:nth-child(2) .task-icon { background: #c9a227 !important; }
[data-theme="boho"] .task:nth-child(3) .task-icon { background: #7d8a5c !important; }
[data-theme="boho"] .task:nth-child(4) .task-icon { background: #a1583a !important; }
[data-theme="punk"] .task-icon { border-radius: 3px; }
[data-theme="girlish"] .task .task-icon { border-radius: 13px; }

/* Consistency heatmap should fill its card */
.heat { width: 100%; }

/* ============================================================
   ADAPTIVE LEARNING SYSTEM — dashboard / tutor / profile
   ============================================================ */
.manager-eyebrow {
  display:flex; align-items:center; gap:6px; font-size:10.5px; font-weight:800;
  letter-spacing:.1em; color:var(--accent); text-transform:uppercase;
}
.study-manager-card { overflow:hidden; }
.time-budget {
  margin-left:auto; display:flex; align-items:center; gap:8px; font-size:12.5px;
  font-weight:700; color:var(--text-dim);
}
.time-budget select {
  border:1px solid var(--border); background:var(--surface-2); color:var(--text);
  border-radius:9px; padding:7px 9px; outline:none; font-weight:700;
}
.manager-reason {
  display:flex; gap:10px; align-items:flex-start; padding:12px 14px; margin:4px 0 14px;
  border-radius:12px; background:var(--accent-soft); border:1px solid color-mix(in srgb,var(--accent) 16%,var(--border));
  font-size:12.5px; line-height:1.5;
}
.manager-reason strong { color:var(--accent); flex-shrink:0; }
.manager-reason span { color:var(--text-dim); }
.adaptive-plan { display:flex; flex-direction:column; gap:8px; margin-bottom:14px; }
.adaptive-task {
  display:grid; grid-template-columns:28px 38px minmax(0,1fr) auto; align-items:center; gap:10px;
  width:100%; text-align:left; padding:10px 12px; border-radius:12px; border:1px solid var(--border);
  background:var(--surface); transition:transform .15s,border-color .15s,background .15s;
}
.adaptive-task:hover { transform:translateY(-1px); border-color:var(--accent); background:var(--surface-2); }
.adaptive-num {
  width:24px; height:24px; display:grid; place-items:center; border-radius:999px;
  background:var(--surface-3); color:var(--text-dim); font-size:11px; font-weight:800;
}
.adaptive-copy { display:flex; flex-direction:column; min-width:0; gap:2px; }
.adaptive-copy strong { font-size:13.5px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.adaptive-copy small { color:var(--text-dim); font-size:11.5px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.adaptive-min { font-size:11.5px; font-weight:800; color:var(--text-dim); white-space:nowrap; }
.empty-evidence,.empty-mini {
  margin-top:12px; padding:12px 14px; border-radius:11px; background:var(--surface-2);
  color:var(--text-dim); font-size:12.5px; line-height:1.5;
}
.syllabus-callout {
  display:grid; grid-template-columns:36px minmax(0,1fr) auto; align-items:center; gap:12px;
  border:1px dashed var(--border-strong); background:var(--surface-2); border-radius:14px; padding:13px 14px; margin-bottom:12px;
}
.syllabus-callout.ready { border-style:solid; background:color-mix(in srgb,var(--ok) 7%,var(--surface)); }
.syllabus-callout > div:first-child { width:34px; height:34px; display:grid; place-items:center; border-radius:10px; background:var(--accent-soft); color:var(--accent); }
.syllabus-callout strong { font-size:13px; }
.syllabus-callout p { margin:3px 0 0; color:var(--text-dim); font-size:11.5px; line-height:1.45; }
.learner-snapshot .snapshot-row {
  display:flex; justify-content:space-between; gap:14px; padding:12px 0; border-bottom:1px solid var(--border);
}
.learner-snapshot .snapshot-row:last-child { border-bottom:0; }
.snapshot-row span { color:var(--text-dim); font-size:12px; }
.snapshot-row strong { text-align:right; font-size:12.5px; max-width:60%; }
.fair-use-card { background:var(--surface-2); }
.fair-use-card strong { font-size:13.5px; }
.fair-use-card p { margin:6px 0 0; color:var(--text-dim); font-size:12px; line-height:1.55; }
.stat-value em { font-size:11px; font-style:normal; color:var(--text-dim); font-weight:600; }

/* Tutor learning modes */
.tutor-mode-bar {
  display:grid; grid-template-columns:repeat(4,1fr); gap:9px; margin-bottom:16px;
}
.tutor-mode {
  padding:11px 12px; text-align:left; border:1px solid var(--border); border-radius:12px;
  background:var(--surface); display:flex; flex-direction:column; gap:2px; transition:.15s ease;
}
.tutor-mode:hover { border-color:var(--accent); }
.tutor-mode.active { border-color:var(--accent); background:var(--accent-soft); box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 14%,transparent); }
.tutor-mode strong { font-size:12.5px; }
.tutor-mode span { color:var(--text-dim); font-size:10.5px; }
.tutor-empty-owl {
  display:inline-grid; place-items:center; width:122px; height:122px; border-radius:999px;
  background: radial-gradient(circle at 45% 35%, rgba(255,255,255,.98), rgba(255,255,255,.80) 42%, rgba(20,184,166,.10) 100%), #eef8f5;
  overflow:hidden; box-shadow: inset 0 0 0 1px rgba(14,124,107,.08), 0 4px 14px rgba(14,124,107,.06);
}
.tutor-empty-owl img {
  width:118px; height:118px; object-fit:contain;
  transform: translateY(18px) scale(1.16);
  transform-origin:center center;
  filter: drop-shadow(0 6px 14px rgba(14,124,107,.2));
}
.tutor-empty-owl .owl-blink-lids {
  transform: translateY(18px) scale(1.16);
  transform-origin:center center;
}
.learning-rule { display:grid; grid-template-columns:28px 1fr; gap:10px; padding:10px 0; border-bottom:1px solid var(--border); }
.learning-rule:last-child { border-bottom:0; }
.learning-rule > span { width:24px; height:24px; display:grid; place-items:center; border-radius:999px; background:var(--accent-soft); color:var(--accent); font-size:11px; font-weight:800; }
.learning-rule strong { font-size:12.5px; }
.learning-rule p { margin:3px 0 0; color:var(--text-dim); font-size:11.5px; line-height:1.45; }
.context-pill { display:flex; justify-content:space-between; gap:12px; padding:10px 0; border-bottom:1px solid var(--border); }
.context-pill b { font-size:12.5px; }
.context-pill span { font-size:11px; color:var(--text-dim); text-align:right; }
.msg-stack { display:flex; flex-direction:column; gap:6px; max-width:min(78%,760px); }
.msg-stack .msg-body { max-width:100%; }
.tutor-feedback { display:flex; align-items:center; gap:6px; flex-wrap:wrap; color:var(--text-faint); font-size:10.5px; }
.tutor-feedback button { padding:4px 7px; border:1px solid var(--border); border-radius:999px; background:var(--surface); color:var(--text-dim); font-size:10.5px; }
.tutor-feedback button:hover { border-color:var(--accent); color:var(--accent); }

/* Learning profile */
.metric-card { display:flex; flex-direction:column; gap:4px; min-height:128px; justify-content:center; }
.metric-label { color:var(--text-dim); font-size:11.5px; font-weight:700; text-transform:uppercase; letter-spacing:.05em; }
.metric-card > strong { font-family:var(--font-display); font-size:32px; line-height:1; }
.metric-card small { color:var(--text-faint); font-size:11px; }
.diagnosis-row { display:flex; align-items:center; justify-content:space-between; gap:12px; padding:12px 0; border-bottom:1px solid var(--border); }
.diagnosis-row:last-child { border-bottom:0; }
.diagnosis-row strong { font-size:13px; }
.diagnosis-row p { margin:3px 0 0; color:var(--text-dim); font-size:11.5px; }
.review-queue { margin-top:14px; padding:12px; border-radius:12px; background:var(--surface-2); display:flex; flex-direction:column; gap:5px; }
.review-queue strong { font-size:12px; color:var(--accent); }
.review-queue span { font-size:11.5px; color:var(--text-dim); }
.evidence-list { display:flex; flex-direction:column; }
.evidence-list > div { display:grid; grid-template-columns:100px 1fr auto; gap:12px; align-items:center; padding:10px 0; border-bottom:1px solid var(--border); font-size:12px; }
.evidence-list > div:last-child { border-bottom:0; }
.evidence-list span { color:var(--text-dim); }
.evidence-list b { color:var(--accent); }
.syllabus-settings { margin:0 0 16px; padding:12px; border-radius:12px; background:var(--surface-2); border:1px dashed var(--border-strong); }
.syllabus-settings strong { font-size:12.5px; }
.syllabus-settings p { margin:4px 0 10px; color:var(--text-dim); font-size:11.5px; line-height:1.45; }

@media (max-width: 880px) {
  .tutor-mode-bar { grid-template-columns:repeat(2,1fr); }
  .syllabus-callout { grid-template-columns:36px 1fr; }
  .syllabus-callout .btn { grid-column:1 / -1; width:100%; }
}
@media (max-width: 560px) {
  .adaptive-task { grid-template-columns:24px 34px minmax(0,1fr); }
  .adaptive-min { grid-column:3; justify-self:start; }
  .time-budget { width:100%; margin-left:0; justify-content:space-between; margin-top:8px; }
  .tutor-mode-bar { grid-template-columns:1fr 1fr; }
  .evidence-list > div { grid-template-columns:80px 1fr auto; }
}
.smart-week { display:flex; flex-direction:column; gap:7px; }
.smart-day { display:grid; grid-template-columns:84px 1fr auto; align-items:center; gap:12px; padding:10px 12px; border:1px solid var(--border); border-radius:11px; background:var(--surface); }
.smart-day.today { border-color:var(--accent); background:var(--accent-soft); }
.smart-day > span { font-size:11px; color:var(--text-dim); font-weight:700; }
.smart-day strong { font-size:12.5px; }
.smart-day small { font-size:10.5px; color:var(--text-faint); }
@media (max-width:560px){ .smart-day { grid-template-columns:70px 1fr; } .smart-day small { grid-column:2; } }

/* ============================================================
   STUDENT INTELLIGENCE LAYER
   ============================================================ */
.grid-4 { display:grid; grid-template-columns:repeat(auto-fit,minmax(190px,1fr)); gap:14px; }
.intelligence-metrics .metric-card { min-height:132px; }
.risk-label { display:block; margin-top:7px; font-size:11.5px; color:var(--text-faint); text-align:center; }

.mode-choice-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:18px; }
.mode-choice {
  text-align:left; padding:18px; border-radius:var(--radius); border:1px solid var(--border);
  background:var(--surface-2); transition:.18s transform,.18s border-color,.18s background;
}
.mode-choice:hover { transform:translateY(-2px); border-color:var(--accent); background:var(--accent-soft); }
.mode-choice strong { display:block; font-family:var(--font-display); margin-bottom:6px; }
.mode-choice span { display:block; color:var(--text-dim); font-size:13px; line-height:1.45; }

.confidence-prompt {
  display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
  margin:0 0 14px; padding:11px 12px; border:1px solid var(--border); border-radius:var(--radius-sm);
  background:var(--surface-2); font-size:12.5px;
}
.confidence-prompt > div { display:flex; gap:6px; }
.confidence-btn {
  padding:7px 10px; border-radius:999px; border:1px solid var(--border); background:var(--surface);
  color:var(--text-dim); font-size:12px; font-weight:700;
}
.confidence-btn:hover,.confidence-btn.active { border-color:var(--accent); color:var(--accent); background:var(--accent-soft); }
.confidence-btn:disabled { opacity:.72; cursor:default; }
.timed-chip { background:rgba(220,38,38,.10)!important; color:var(--bad)!important; }
.question-meta { display:flex; flex-wrap:wrap; gap:6px; }
.question-meta span { padding:4px 8px; border-radius:999px; background:var(--surface-3); color:var(--text-dim); font-size:11.5px; font-weight:650; }
.attempt-evidence { display:flex; flex-wrap:wrap; gap:7px; margin-top:10px; }
.attempt-evidence span { padding:4px 7px; border-radius:999px; background:var(--surface); color:var(--text-dim); font-size:11.5px; }
.quiz-result-intel { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; }
.quiz-result-intel span { display:flex; flex-direction:column; gap:3px; padding:10px; border-radius:var(--radius-sm); background:var(--surface-2); color:var(--text-dim); font-size:11.5px; }
.quiz-result-intel b { color:var(--text); font-size:14px; }

.diagnosis-card { padding:13px 14px; border:1px solid var(--border); border-left:4px solid var(--accent); border-radius:var(--radius-sm); background:var(--surface-2); margin-bottom:9px; }
.diagnosis-card.high { border-left-color:var(--bad); }
.diagnosis-card.medium { border-left-color:var(--warn); }
.diagnosis-card strong { display:block; font-size:13.5px; margin-bottom:4px; }
.diagnosis-card p { margin:0; color:var(--text-dim); line-height:1.5; font-size:12.5px; }

.intel-stat { display:grid; grid-template-columns:1fr auto; gap:2px 12px; padding:12px 0; border-bottom:1px solid var(--border); }
.intel-stat:last-of-type { border-bottom:0; }
.intel-stat span { color:var(--text-dim); font-size:13px; }
.intel-stat strong { font-size:15px; }
.intel-stat small { grid-column:1/-1; color:var(--text-faint); font-size:11.5px; }

.concept-list { display:flex; flex-direction:column; }
.concept-row,.prereq-row,.review-state,.milestone-row {
  display:flex; align-items:center; justify-content:space-between; gap:12px; padding:12px 0; border-bottom:1px solid var(--border);
}
.concept-row:last-child,.prereq-row:last-child,.review-state:last-child,.milestone-row:last-child { border-bottom:0; }
.concept-row > div:first-child,.prereq-row > div:first-child,.review-state > div:first-child { min-width:0; }
.concept-row strong,.prereq-row strong,.review-state strong,.milestone-row strong { display:block; font-size:13.5px; }
.concept-row span,.prereq-row span,.review-state span,.milestone-row small { display:block; margin-top:3px; color:var(--text-dim); font-size:11.5px; }
.concept-values,.review-state > div:last-child { text-align:right; flex-shrink:0; }
.concept-values b,.review-state b { display:block; color:var(--accent); }
.concept-values small,.review-state small { display:block; margin-top:3px; color:var(--text-faint); font-size:11px; }
.prereq-row b { color:var(--warn); font-size:12.5px; }
.review-state.overdue b { color:var(--bad); }

.attempt-table { display:flex; flex-direction:column; }
.attempt-row { display:grid; grid-template-columns:minmax(0,1.5fr) minmax(250px,1fr); gap:16px; padding:13px 0; border-bottom:1px solid var(--border); }
.attempt-row:last-child { border-bottom:0; }
.attempt-main strong { display:block; font-size:13.5px; margin-bottom:4px; }
.attempt-main span { display:block; color:var(--text-dim); font-size:12px; line-height:1.45; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.attempt-meta { display:flex; align-items:center; justify-content:flex-end; gap:6px; flex-wrap:wrap; }
.attempt-meta span,.attempt-meta b { padding:4px 7px; border-radius:999px; background:var(--surface-2); font-size:11px; color:var(--text-dim); }
.attempt-meta b { color:var(--bad); font-weight:700; }

.milestone-row > div { min-width:0; display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.milestone-row small { width:100%; margin-left:0; }

@media (max-width:700px) {
  .mode-choice-grid { grid-template-columns:1fr; }
  .attempt-row { grid-template-columns:1fr; gap:8px; }
  .attempt-meta { justify-content:flex-start; }
  .quiz-result-intel { grid-template-columns:1fr; }
}
.learning-graph-card { overflow:hidden; }
.graph-path { display:flex; align-items:center; gap:7px; flex-wrap:wrap; }
.graph-path span { padding:7px 10px; border-radius:999px; background:var(--accent-soft); color:var(--accent); font-size:11.5px; font-weight:750; }
.graph-path b { color:var(--text-faint); font-size:13px; }
.parent-nav-link { margin-top: 8px; border-top: 1px solid var(--border); border-radius: 0 0 var(--radius-sm) var(--radius-sm); padding-top: 14px; }
.parent-nav-link:hover { color: var(--accent); }