/* ============================================================
   TNPSC Mock Exam — Styles
   ============================================================ */
:root {
  /* Premium government-exam palette — deep navy + royal blue + gold */
  --bg: #091124;
  --bg-soft: #0e1a35;
  --card: #12203f;
  --card-2: #1a2b53;
  --border: #29406e;
  --text: #eef2fb;
  --muted: #9fb1d2;
  --primary: #2f62b8;
  --primary-2: #1f4a94;
  --accent: #d4af37;
  --good: #2fae6b;
  --bad: #e5484d;
  --info: #3aa0c9;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.42);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Noto Sans Tamil", system-ui, sans-serif;
  background: radial-gradient(1200px 800px at 20% -10%, #16264d 0%, var(--bg) 55%);
  -webkit-font-smoothing: antialiased;
  color: var(--text);
  min-height: 100vh;
}
body.lang-ta { font-family: "Noto Sans Tamil", "Inter", system-ui, sans-serif; }

button { font-family: inherit; cursor: pointer; }

/* ---------- Top bars ---------- */
.top-bar, .exam-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: rgba(15, 23, 41, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  gap: 16px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-badge {
  display: inline-grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
}
.brand-title { font-size: 20px; margin: 0; font-weight: 700; }
.brand.small .brand-badge { width: 34px; height: 34px; font-size: 13px; }
.exam-name { font-weight: 700; font-size: 15px; }
.exam-name-sub { font-size: 12px; color: var(--muted); }

/* ---------- Language toggle ---------- */
.lang-toggle { display: flex; align-items: center; gap: 8px; }
.lang-label { color: var(--muted); font-size: 13px; }
.lang-btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  transition: all 0.15s;
}
.lang-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ---------- Home ---------- */
.home, .result { max-width: 1120px; margin: 0 auto; padding-bottom: 60px; }
.section-heading {
  text-align: center;
  font-size: 26px;
  margin: 40px 20px 10px;
}
.exam-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
  padding: 24px;
}
.exam-card {
  background: linear-gradient(180deg, var(--card), var(--bg-soft));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: transform 0.18s, border-color 0.18s;
}
.exam-card:hover { transform: translateY(-4px); border-color: var(--primary); }
.exam-card-head h2 { margin: 0 0 4px; font-size: 24px; }
.exam-sub { margin: 0; color: var(--muted); font-size: 14px; }

.pattern {
  background: rgba(0,0,0,0.2);
  border-radius: 10px;
  padding: 14px 16px;
}
.pattern-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 10px;
}
.pattern-row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  font-size: 14px;
  border-bottom: 1px dashed var(--border);
}
.pattern-row:last-child { border-bottom: none; }
.pat-count { color: var(--accent); font-weight: 600; white-space: nowrap; }
.pattern-row.section { font-weight: 700; }
.pattern-row.section .pat-count { color: var(--text); }
.pattern-row.sub { font-size: 12.5px; padding: 3px 0 3px 6px; border-bottom: none; }
.pattern-row.sub .pat-name { color: var(--muted); }
.pattern-row.sub .pat-count { color: var(--good); font-weight: 500; }
.pattern-row.sub.short .pat-count { color: var(--accent); }

.exam-meta { display: flex; gap: 10px; }
.meta-item {
  flex: 1;
  text-align: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 6px;
}
.meta-val { display: block; font-size: 18px; font-weight: 700; }
.meta-key { display: block; font-size: 11px; color: var(--muted); margin-top: 2px; }

.start-btn {
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  padding: 13px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: filter 0.15s;
}
.start-btn:hover { filter: brightness(1.1); }
.demo-note { text-align: center; color: var(--muted); font-size: 13px; padding: 0 24px; }

/* ---------- Exam layout ---------- */
.exam-layout { min-height: 100vh; }
.exam-body {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  align-items: start;
}
.timer {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 6px 18px;
  border-radius: 10px;
}
.timer-label { font-size: 11px; color: var(--muted); text-transform: uppercase; }
.timer-value { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.timer.timer-danger { border-color: var(--bad); animation: pulse 1s infinite; }
.timer.timer-danger .timer-value { color: var(--bad); }
@keyframes pulse { 50% { opacity: 0.6; } }

/* ---------- Question card ---------- */
.question-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}
.q-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.q-num { color: var(--muted); font-size: 13px; font-weight: 600; }
.q-marked-tag { color: var(--accent); font-size: 13px; }
.q-text { font-size: 19px; line-height: 1.6; margin-bottom: 22px; }

.options { display: flex; flex-direction: column; gap: 12px; }
.option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.15s;
  background: var(--card-2);
}
.option:hover { border-color: var(--primary); }
.option.selected { border-color: var(--primary); background: rgba(59,130,246,0.14); }
.option input { accent-color: var(--primary); width: 18px; height: 18px; }
.opt-letter {
  display: inline-grid;
  place-items: center;
  width: 26px; height: 26px;
  border-radius: 6px;
  background: rgba(255,255,255,0.06);
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}
.opt-text { font-size: 16px; }

/* ---------- Actions ---------- */
.q-actions { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.btn {
  border: 1px solid var(--border);
  background: var(--card-2);
  color: var(--text);
  padding: 11px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.15s;
}
.btn:hover { border-color: var(--primary); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); border: none; }
.btn.primary:hover { filter: brightness(1.1); }
.btn.ghost { background: transparent; }
.btn.full { width: 100%; margin-top: 14px; }
.q-actions .btn.primary { margin-left: auto; }

/* ---------- Palette ---------- */
.palette {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  position: sticky;
  top: 92px;
}
.palette-title { font-weight: 700; margin-bottom: 4px; }
.palette-summary { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.palette-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}
.palette-cell {
  aspect-ratio: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-2);
  color: var(--text);
  font-weight: 600;
  font-size: 13px;
  transition: all 0.12s;
}
.palette-cell.answered { background: var(--good); border-color: var(--good); color: #06210f; }
.palette-cell.visited { background: #64748b33; border-color: #64748b; }
.palette-cell.marked { background: var(--accent); border-color: var(--accent); color: #3a2500; }
.palette-cell.marked-answered {
  background: var(--accent);
  border-color: var(--good);
  color: #3a2500;
  box-shadow: inset 0 0 0 2px var(--good);
}
.palette-cell.not-visited { opacity: 0.75; }
.palette-cell.current { outline: 3px solid var(--primary); outline-offset: 1px; }

.legend { margin: 16px 0 4px; display: flex; flex-direction: column; gap: 8px; }
.legend-item { display: flex; align-items: center; gap: 9px; font-size: 12px; color: var(--muted); }
.legend-swatch { width: 16px; height: 16px; border-radius: 4px; display: inline-block; }
.legend-swatch.answered { background: var(--good); }
.legend-swatch.visited { background: #64748b; }
.legend-swatch.marked { background: var(--accent); }
.legend-swatch.not-visited { background: var(--card-2); border: 1px solid var(--border); }

/* ---------- Result ---------- */
.score-card {
  background: linear-gradient(180deg, var(--card), var(--bg-soft));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  margin: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow);
}
.score-big { font-size: 46px; font-weight: 800; color: var(--primary); }
.score-label { color: var(--muted); text-transform: uppercase; letter-spacing: 1px; font-size: 13px; }
.score-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.stat-box {
  padding: 16px 8px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}
.stat-val { display: block; font-size: 26px; font-weight: 800; }
.stat-key { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }
.stat-box.good .stat-val { color: var(--good); }
.stat-box.bad .stat-val { color: var(--bad); }
.stat-box.info .stat-val { color: var(--info); }

.section-scores {
  margin: 0 24px 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.sec-row { display: flex; align-items: center; gap: 14px; padding: 8px 0; }
.sec-name { flex: 0 0 42%; font-size: 14px; }
.sec-bar { flex: 1; height: 8px; background: var(--card-2); border-radius: 6px; overflow: hidden; }
.sec-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--good)); }
.sec-val { flex: 0 0 auto; font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }

.review-head-bar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 8px 24px 0; }
.review-filter { display: flex; gap: 8px; }
.rf-btn { border: 1px solid var(--border); background: var(--card-2); color: var(--muted); padding: 7px 14px;
  border-radius: 20px; font-size: 12.5px; font-weight: 600; cursor: pointer; font-family: inherit; }
.rf-btn:hover { border-color: var(--purple); }
.rf-btn.active { background: linear-gradient(135deg, var(--purple), var(--primary)); color: #fff; border-color: transparent; }
.review-list.filter-no .review-item:not(.no) { display: none; }
.review-list.filter-unatt .review-item:not(.unatt) { display: none; }

.review-list { padding: 0 24px; }
.review-heading { font-size: 20px; margin: 20px 0; }
.review-item {
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 12px;
  background: var(--card);
}
.review-item.ok { border-left-color: var(--good); }
.review-item.no { border-left-color: var(--bad); }
.review-item.unatt { border-left-color: #64748b; }
.review-q { display: flex; gap: 8px; font-weight: 600; margin-bottom: 10px; line-height: 1.5; }
.review-index { color: var(--muted); }
.review-ans { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--muted); }
.ans-line.correct { color: var(--good); }
.ans-exp { margin-top: 6px; color: var(--text); font-size: 13px; background: rgba(255,255,255,0.03); padding: 8px 10px; border-radius: 8px; }

.result-actions { text-align: center; margin: 30px 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .exam-body { grid-template-columns: 1fr; }
  .palette { position: static; order: -1; }
  .palette-grid { grid-template-columns: repeat(8, 1fr); }
  .score-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .top-bar, .exam-top { padding: 14px 16px; }
  .q-actions .btn.primary { margin-left: 0; width: 100%; }
  .palette-grid { grid-template-columns: repeat(6, 1fr); }
}

/* ============================================================
   WREXAEDGE DASHBOARD
   ============================================================ */
:root { --purple: #d4af37; --purple-2:#b8912b; } /* gold — premium accent */
body.theme-light {
  --bg:#f4f6fb; --bg-soft:#ffffff; --card:#ffffff; --card-2:#eef2f9;
  --border:#dbe3f0; --text:#0f2144; --muted:#5a6b8c;
  --primary:#23539c; --primary-2:#173f7d; --accent:#a8851c;
  --purple:#a8851c; --purple-2:#8a6d14;
  background: radial-gradient(1200px 800px at 20% -10%, #eaf0fb 0%, #f4f6fb 55%);
}

.layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  grid-template-areas: "side main" "foot foot";
  min-height: 100vh;
}
.layout.collapsed { grid-template-columns: 0 1fr; }
.layout.collapsed .sidebar { display: none; }

/* Sidebar */
.sidebar {
  grid-area: side;
  background: linear-gradient(180deg, var(--bg-soft), var(--bg));
  border-right: 1px solid var(--border);
  padding: 18px 14px;
  display: flex; flex-direction: column; gap: 6px;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.logo { display: flex; align-items: center; gap: 10px; padding: 6px 8px 16px; }
.logo-mark { width: 42px; height: 42px; display: grid; place-items: center; flex-shrink: 0; }
.logo-mark svg { width: 100%; height: 100%; display: block; }
.logo-img { width: 42px; height: 42px; border-radius: 11px; object-fit: contain; display: block; background: #141821; }
.logo-name { font-weight: 800; letter-spacing: .5px; }
.logo-sub { font-size: 9px; color: var(--muted); letter-spacing: 1.5px; }
.nav { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px;
  background: transparent; border: none; color: var(--muted); font-size: 14px; text-align: left; width: 100%;
  transition: .15s;
}
.nav-item:hover { background: var(--card-2); color: var(--text); }
.nav-item.active { background: linear-gradient(135deg, var(--purple), var(--primary)); color: #fff; font-weight: 600; }
.nav-ico { width: 20px; text-align: center; }
.premium-card {
  margin-top: 12px; padding: 16px; border-radius: 14px; text-align: center;
  background: linear-gradient(160deg, rgba(124,92,255,.18), rgba(59,130,246,.1));
  border: 1px solid var(--border);
}
.premium-crown { font-size: 22px; }
.premium-title { font-weight: 700; margin: 6px 0 4px; }
.premium-sub { font-size: 11px; color: var(--muted); margin-bottom: 10px; }
.premium-btn { width: 100%; padding: 9px; border: none; border-radius: 9px; color: #fff; font-weight: 600; cursor: pointer;
  background: linear-gradient(135deg, var(--purple), var(--primary)); }

/* Topbar */
.main { grid-area: main; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; gap: 16px; padding: 14px 22px;
  background: rgba(15,23,41,.6); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 30;
}
body.theme-light .topbar { background: rgba(255,255,255,.7); }
.icon-btn { position: relative; background: var(--card); border: 1px solid var(--border); color: var(--text);
  width: 40px; height: 40px; border-radius: 10px; font-size: 16px; cursor: pointer; }
.hamb { flex-shrink: 0; }
.badge { position: absolute; top: -6px; right: -6px; background: var(--bad); color: #fff; font-size: 10px;
  border-radius: 10px; padding: 1px 5px; }
.search-wrap { position: relative; flex: 1; max-width: 520px; }
.search-ico { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); opacity: .6; }
.search-input { width: 100%; padding: 10px 14px 10px 36px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); font-family: inherit; font-size: 14px; }
.search-results { position: absolute; top: 46px; left: 0; right: 0; background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden; z-index: 40; display: none; box-shadow: var(--shadow); }
.search-hit { display: flex; justify-content: space-between; width: 100%; padding: 10px 14px; background: transparent;
  border: none; color: var(--text); cursor: pointer; text-align: left; }
.search-hit:hover { background: var(--card-2); }
.hit-type { font-size: 11px; color: var(--muted); }
.topbar-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.leaderboard-btn { background: linear-gradient(135deg, #e6c04a, #c19a2b); border: none; color: #241a00;
  padding: 9px 14px; border-radius: 10px; font-weight: 700; font-size: 13px; cursor: pointer; white-space: nowrap; }
.bell-wrap { position: relative; }
.notif-panel { position: absolute; right: 0; top: 48px; width: 280px; background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 8px; z-index: 40; box-shadow: var(--shadow); }
.notif-head { font-weight: 700; padding: 8px 10px; }
.notif-item { padding: 10px; font-size: 13px; color: var(--muted); border-top: 1px solid var(--border); }
.lang-toggle.mini .lang-btn { padding: 6px 10px; font-size: 12px; }
.profile { display: flex; align-items: center; gap: 10px; background: var(--card); border: 1px solid var(--border);
  padding: 5px 12px 5px 6px; border-radius: 30px; cursor: pointer; color: var(--text); }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, var(--purple), var(--primary));
  display: grid; place-items: center; font-weight: 700; color: #fff; }
.profile-name { font-size: 13px; font-weight: 600; }
.profile-role { font-size: 11px; color: var(--muted); }

/* Content + footer */
.content { padding: 24px; flex: 1; }
.app-footer { grid-area: foot; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  padding: 14px 24px; border-top: 1px solid var(--border); color: var(--muted); font-size: 12px; }

/* Dashboard grids */
.dash { display: flex; flex-direction: column; gap: 18px; }
.dash-top { display: grid; grid-template-columns: minmax(220px, 1fr) 2.6fr; gap: 18px; align-items: center; }
.welcome h1 { margin: 0 0 6px; font-size: 26px; }
.welcome p { margin: 0; color: var(--muted); font-style: italic; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 16px; box-shadow: var(--shadow); }
.stat-card.purple { background: linear-gradient(150deg, rgba(124,92,255,.22), var(--card)); }
.stat-card.orange { background: linear-gradient(150deg, rgba(245,158,11,.18), var(--card)); }
.stat-card.blue { background: linear-gradient(150deg, rgba(59,130,246,.2), var(--card)); }
.sc-flex { display: flex; align-items: center; gap: 12px; }
.sc-ring svg { display: block; }
.sc-icon { font-size: 20px; }
.sc-title { font-size: 13px; color: var(--muted); }
.sc-sub { font-size: 11px; color: var(--muted); margin-top: 4px; }
.sc-big { font-size: 24px; font-weight: 800; margin-top: 2px; }

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: start; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px; box-shadow: var(--shadow); }
.card-title { font-weight: 700; margin-bottom: 12px; font-size: 15px; }
.muted { color: var(--muted); font-size: 13px; }
.muted.small { font-size: 12px; }

/* streak */
.streak-num { font-size: 30px; font-weight: 800; }
.streak-label { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.heatmap { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.hm-cell { aspect-ratio: 1; border-radius: 3px; background: var(--card-2); }
.hm-cell.low { background: #3a4a6e; }
.hm-cell.average { background: #2e7d5b; }
.hm-cell.good { background: var(--good); }
.streak-note { margin-top: 12px; font-size: 12px; color: var(--muted); }

/* learn / mock / coach cards */
.learn-subject, .mock-name { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.learn-sub, .mock-sub { font-size: 12px; color: var(--muted); margin-bottom: 14px; }
.coach-msg { font-size: 13px; margin-bottom: 8px; }
.coach-list { margin: 0 0 12px; padding-left: 18px; font-size: 13px; color: var(--muted); }
.coach-list li { margin: 3px 0; }

/* tasks */
.task { display: flex; align-items: center; gap: 10px; padding: 8px 0; font-size: 14px; border-bottom: 1px dashed var(--border); }
.task:last-of-type { border-bottom: none; }
.task input { width: 18px; height: 18px; accent-color: var(--purple); }
.task-text { flex: 1; }
.task.done .task-text { text-decoration: line-through; color: var(--muted); }
.task-meta { font-size: 11px; color: var(--muted); }
.task.big { padding: 12px 0; }

/* subject performance */
.perf-body { display: flex; flex-direction: column; gap: 12px; }
.radar { display: grid; place-items: center; }
.perf-bars { display: flex; flex-direction: column; gap: 7px; }
.pbar { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.pbar-name { flex: 0 0 34%; color: var(--muted); }
.pbar-track { flex: 1; height: 7px; background: var(--card-2); border-radius: 6px; overflow: hidden; }
.pbar-fill { height: 100%; border-radius: 6px; background: var(--good); }
.pbar-fill.lv0 { background: var(--bad); } .pbar-fill.lv1 { background: #f97316; }
.pbar-fill.lv2 { background: var(--accent); } .pbar-fill.lv3 { background: #84cc16; } .pbar-fill.lv4 { background: var(--good); }
.pbar-val { flex: 0 0 auto; width: 34px; text-align: right; color: var(--muted); }

/* weak topics */
.weak-item { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.weak-acc { color: var(--accent); }

/* quick actions */
.qa-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.qa-btn { display: flex; align-items: center; gap: 8px; padding: 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--card-2); color: var(--text); font-size: 13px; cursor: pointer; font-family: inherit; }
.qa-btn:hover { border-color: var(--purple); }
.qa-ico { font-size: 16px; }

/* recent tests */
.recent-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--border); }
.recent-row:last-child { border-bottom: none; }
.recent-name { font-size: 13px; font-weight: 600; }
.recent-sub { font-size: 11px; color: var(--muted); }
.recent-score { margin-left: auto; font-size: 12px; color: var(--muted); }
.recent-pct { font-weight: 700; font-size: 13px; padding: 2px 8px; border-radius: 6px; }
.recent-pct.good { background: rgba(34,197,94,.18); color: var(--good); }
.recent-pct.mid { background: rgba(245,158,11,.18); color: var(--accent); }
.recent-pct.low { background: rgba(239,68,68,.18); color: var(--bad); }

/* overview */
.ov-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
.ov-item { text-align: center; }
.ov-val { display: block; font-weight: 800; font-size: 18px; }
.ov-key { font-size: 10px; color: var(--muted); }
.line-chart, .empty-chart { width: 100%; }
.empty-chart { padding: 30px; text-align: center; color: var(--muted); font-size: 13px; }

/* achievements */
.ach-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; opacity: .5; }
.ach-row.done { opacity: 1; }
.ach-ico { font-size: 20px; }
.ach-title { font-size: 13px; font-weight: 600; }
.ach-sub { font-size: 11px; color: var(--muted); }
.ach-check { margin-left: auto; color: var(--good); font-weight: 800; }

/* calendar */
.cal-month { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-head { text-align: center; font-size: 10px; color: var(--muted); }
.cal-cell { aspect-ratio: 1; display: grid; place-items: center; font-size: 11px; border-radius: 6px; background: var(--card-2); color: var(--muted); }
.cal-cell.empty { background: transparent; }
.cal-cell.low { background: #3a4a6e; color: var(--text); }
.cal-cell.average { background: #2e7d5b; color: #fff; }
.cal-cell.good { background: var(--good); color: #06210f; }
.cal-cell.today { outline: 2px solid var(--purple); }
.cal-legend { display: flex; gap: 12px; margin-top: 10px; font-size: 11px; }
.cl.good { color: var(--good); } .cl.average { color: #2e9e6f; } .cl.low { color: #7d90b8; }

/* generic view */
.view { display: flex; flex-direction: column; gap: 18px; }
.view-head h1 { margin: 0 0 4px; font-size: 24px; }
.view-head p { margin: 0; color: var(--muted); }
.two-col { display: grid; grid-template-columns: 1fr 1.2fr; gap: 16px; align-items: start; }
.kpi { text-align: center; }

/* subjects */
.subj-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.subj-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px; box-shadow: var(--shadow); }
.subj-name { font-weight: 700; font-size: 16px; margin-bottom: 4px; }
.subj-meta { font-size: 12px; color: var(--muted); }
.subj-acc { font-size: 12px; margin: 8px 0 12px; color: var(--good); }
.subj-actions { display: flex; gap: 8px; }

/* fields / builder */
.field { width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--card-2); color: var(--text); font-family: inherit; font-size: 14px; margin-bottom: 4px; }
.field.ta { min-height: 120px; resize: vertical; }
.field-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field-row label { font-size: 12px; color: var(--muted); }
.builder .btn { width: 100%; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 8px 14px; border-radius: 20px; border: 1px solid var(--border); background: var(--card-2);
  color: var(--text); font-size: 13px; cursor: pointer; font-family: inherit; }
.chip:hover { border-color: var(--purple); }

/* notes */
.notes-list, .planner-list { display: flex; flex-direction: column; gap: 10px; }
.note-card { position: relative; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px; }
.note-title { font-weight: 700; margin-bottom: 4px; }
.note-body { font-size: 13px; color: var(--muted); white-space: pre-wrap; }
.note-del { background: transparent; border: none; color: var(--bad); cursor: pointer; font-size: 15px; margin-left: auto; }
.task.big .note-del { position: static; }

/* chat */
.chat-box { display: flex; flex-direction: column; height: 460px; background: var(--card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; }
.chat-log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.chat { max-width: 78%; padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.5; }
.chat.bot { background: var(--card-2); align-self: flex-start; border-bottom-left-radius: 4px; }
.chat.me { background: linear-gradient(135deg, var(--purple), var(--primary)); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.chat-bar { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--border); }
.chat-input { flex: 1; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--card-2); color: var(--text); font-family: inherit; }

/* rewards */
.reward-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.reward-card { text-align: center; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 22px 16px; }
.reward-card.locked { opacity: .5; }
.reward-card.done { border-color: var(--good); }
.reward-ico { font-size: 34px; }
.reward-title { font-weight: 700; margin: 8px 0 4px; }
.reward-sub { font-size: 12px; color: var(--muted); }
.reward-status { margin-top: 10px; font-size: 12px; font-weight: 600; }

/* settings */
.settings-card { max-width: 520px; }
.settings-actions { display: flex; gap: 10px; margin-top: 10px; }
.btn.danger { background: transparent; border: 1px solid var(--bad); color: var(--bad); }
.btn.sm { padding: 8px 14px; font-size: 13px; }

/* faq */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.faq-q { font-weight: 700; margin-bottom: 6px; }
.faq-a { font-size: 13px; color: var(--muted); }

/* leaderboard */
.lb { display: flex; flex-direction: column; }
.lb-row { display: flex; align-items: center; gap: 14px; padding: 12px 8px; border-bottom: 1px solid var(--border); }
.lb-row:last-child { border-bottom: none; }
.lb-rank { font-weight: 800; color: var(--muted); width: 70px; }
.lb-name { flex: 1; }
.lb-score { font-weight: 700; color: var(--good); }
.lb-row.you { background: linear-gradient(135deg, rgba(124,92,255,.16), transparent); border-radius: 10px; }

/* review flat (bookmarks) */
.review-list.flat { padding: 0; }
.bk-btn { margin-left: auto; background: transparent; border: 1px solid var(--border); color: var(--muted);
  padding: 4px 10px; border-radius: 8px; font-size: 12px; cursor: pointer; white-space: nowrap; }
.bk-btn.on { color: var(--accent); border-color: var(--accent); }

/* exam tweaks */
.exam-exit { background: transparent; border: 1px solid var(--border); color: var(--muted); padding: 7px 12px;
  border-radius: 9px; cursor: pointer; font-size: 13px; margin-right: 6px; }
.result-inner { max-width: 1000px; margin: 0 auto; }

/* responsive */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .dash-top { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; grid-template-areas: "main" "foot"; }
  .sidebar { position: fixed; z-index: 50; width: 250px; left: 0; }
  .layout:not(.collapsed) .sidebar { box-shadow: var(--shadow); }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .profile-text { display: none; }
}
@media (max-width: 620px) {
  .grid-4 { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; }
  .leaderboard-btn span, .search-wrap { }
}

/* ===== Mock Tests — macOS-style cards ===== */
.mt-section { margin-bottom: 26px; }
.mt-section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 12px; }
.mt-section-head h2 { margin: 0 0 3px; font-size: 20px; letter-spacing: -0.3px; }
.mt-section-head p { margin: 0; color: var(--muted); font-size: 13px; }
.mt-count-chip { background: var(--card-2); border: 1px solid var(--border); color: var(--muted);
  padding: 6px 14px; border-radius: 20px; font-size: 12px; font-weight: 600; white-space: nowrap; }

.mt-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }

.mt-card {
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.01)), var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 1px 1px rgba(0,0,0,.2), 0 8px 24px rgba(0,0,0,.22);
  transition: transform .2s cubic-bezier(.2,.7,.3,1), box-shadow .2s, border-color .2s;
  display: flex; flex-direction: column;
}
.mt-card:hover { transform: translateY(-5px); box-shadow: 0 2px 2px rgba(0,0,0,.25), 0 18px 40px rgba(0,0,0,.4); border-color: rgba(124,92,255,.55); }
.mt-card.wide { min-width: 0; }

.mt-chrome { display: flex; align-items: center; gap: 7px; padding: 11px 14px;
  background: rgba(255,255,255,.03); border-bottom: 1px solid var(--border); }
body.theme-light .mt-chrome { background: rgba(0,0,0,.02); }
.mt-dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; box-shadow: inset 0 0 0 .5px rgba(0,0,0,.2); }
.mt-dot.r { background: #ff5f57; } .mt-dot.y { background: #febc2e; } .mt-dot.g { background: #28c840; }
.mt-chrome-title { margin-left: 6px; font-size: 10.5px; font-weight: 700; letter-spacing: 1px; color: var(--muted); }
.mt-status { margin-left: auto; font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 20px; }
.mt-status.new { background: rgba(124,92,255,.16); color: var(--purple); }
.mt-status.done { background: rgba(34,197,94,.16); color: var(--good); }

.mt-body { padding: 18px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.mt-title { font-size: 20px; font-weight: 700; letter-spacing: -0.3px; }
.mt-sub { font-size: 12.5px; color: var(--muted); margin-top: -8px; }

.mt-pills { display: flex; gap: 8px; }
.mt-pill { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 1px;
  background: var(--card-2); border: 1px solid var(--border); border-radius: 11px; padding: 9px 4px; }
.mt-pill-ico { font-size: 13px; }
.mt-pill b { font-size: 15px; font-weight: 700; }
.mt-pill-key { font-size: 9.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }

.mt-secs { display: flex; flex-direction: column; gap: 4px; }
.mt-sec { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted);
  padding: 5px 0; border-bottom: 1px dashed var(--border); }
.mt-sec:last-child { border-bottom: none; }
.mt-sec-q { color: var(--accent); font-weight: 600; }

.mt-bar { height: 6px; background: var(--card-2); border-radius: 6px; overflow: hidden; }
.mt-bar-fill { height: 100%; background: linear-gradient(90deg, var(--purple), var(--good)); border-radius: 6px; }

.mt-start { margin-top: auto; width: 100%; border: none; border-radius: 11px; padding: 12px;
  font-size: 14px; font-weight: 600; color: #fff; cursor: pointer;
  background: linear-gradient(135deg, var(--purple), var(--primary));
  box-shadow: 0 4px 14px rgba(124,92,255,.35); transition: filter .15s, transform .1s; }
.mt-start:hover { filter: brightness(1.08); }
.mt-start:active { transform: scale(.98); }

/* ===== Dashboard: masonry (bento) layout + animations ===== */
.dash-masonry { column-count: 4; column-gap: 16px; margin-top: 2px; }
.dash-masonry > .card {
  break-inside: avoid; -webkit-column-break-inside: avoid; page-break-inside: avoid;
  margin: 0 0 16px; width: 100%;
  animation: cardIn .55s cubic-bezier(.2,.7,.3,1) both;
  transition: transform .2s cubic-bezier(.2,.7,.3,1), box-shadow .2s, border-color .2s;
}
.dash-masonry > .card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,.5); border-color: var(--purple); }
@keyframes cardIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.dash-masonry > .card:nth-child(1){animation-delay:.03s}
.dash-masonry > .card:nth-child(2){animation-delay:.06s}
.dash-masonry > .card:nth-child(3){animation-delay:.09s}
.dash-masonry > .card:nth-child(4){animation-delay:.12s}
.dash-masonry > .card:nth-child(5){animation-delay:.15s}
.dash-masonry > .card:nth-child(6){animation-delay:.18s}
.dash-masonry > .card:nth-child(7){animation-delay:.21s}
.dash-masonry > .card:nth-child(8){animation-delay:.24s}
.dash-masonry > .card:nth-child(9){animation-delay:.27s}
.dash-masonry > .card:nth-child(10){animation-delay:.30s}
.dash-masonry > .card:nth-child(11){animation-delay:.33s}
.dash-masonry > .card:nth-child(12){animation-delay:.36s}
.dash-masonry > .card:nth-child(13){animation-delay:.39s}
@media (max-width: 1280px) { .dash-masonry { column-count: 3; } }
@media (max-width: 920px) { .dash-masonry { column-count: 2; } }
@media (max-width: 620px) { .dash-masonry { column-count: 1; } }

/* stat cards: equal height + entrance */
.stat-card { min-height: 104px; animation: cardIn .5s both; }
.stat-card:nth-child(1){animation-delay:.02s} .stat-card:nth-child(2){animation-delay:.07s}
.stat-card:nth-child(3){animation-delay:.12s} .stat-card:nth-child(4){animation-delay:.17s}
.cnt { font-variant-numeric: tabular-nums; }

/* Study Snapshot card */
.snap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.snap-item { display: flex; flex-direction: column; align-items: center; gap: 3px;
  background: var(--card-2); border: 1px solid var(--border); border-radius: 12px; padding: 15px 8px; transition: border-color .15s; }
.snap-item:hover { border-color: var(--purple); }
.snap-ico { font-size: 18px; }
.snap-val { font-size: 23px; font-weight: 800; }
.snap-key { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }

@media (prefers-reduced-motion: reduce) {
  .dash-masonry > .card, .stat-card { animation: none; }
}