* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
  /* buttons/inputs must inherit the page text color, never the browser's default black */
  button, input, select, textarea { color: inherit; font-family: inherit; }

  :root[data-theme="dark"] {
    --paper: #14110d; --paper-deep: #0e0c08; --paper-raise: #1f1a14; --paper-raise-2: #272018;
    --ink: #f4ecd8; --ink-soft: #b8a988; --ink-faint: #9d8b68;
    --rule: #6e5f44; --rule-soft: rgba(184,169,136,0.18);
    --accent: #d65c5c; --accent-soft: #e88080; --accent-deep: #7a1c1c;
    --accent-fill: #b03434; --accent-fill-h: #9c2a2a;
    --gold: #e0b450; --gold-deep: #9c7820;
    --correct: #9bc16f; --correct-bg: #2a3a1c; --correct-bd: #4f6b30;
    --wrong: #e26d6d; --wrong-bg: #3a1c1c; --wrong-bd: #6b3030;
    --seal: #b03434;
    --shadow: rgba(0,0,0,0.5);
    --grain-op: 0.035;
  }
  :root[data-theme="light"] {
    --paper: #f3ead6; --paper-deep: #e7dcc2; --paper-raise: #faf3e2; --paper-raise-2: #fffaf0;
    --ink: #2a2218; --ink-soft: #6a5a3e; --ink-faint: #6f5f42;
    --rule: #b9a47c; --rule-soft: rgba(80,60,30,0.16);
    --accent: #b03434; --accent-soft: #c25555; --accent-deep: #7a1c1c;
    --accent-fill: #b03434; --accent-fill-h: #9c2a2a;
    --gold: #7a5e16; --gold-deep: #5f4a12;
    --correct: #4a7a2a; --correct-bg: #dfeccb; --correct-bd: #8fb060;
    --wrong: #b03434; --wrong-bg: #f3d8d8; --wrong-bd: #cf8f8f;
    --seal: #b03434;
    --shadow: rgba(80,60,30,0.18);
    --grain-op: 0.05;
  }

  html, body {
    background: var(--paper); color: var(--ink);
    font-family: 'Fraunces', Georgia, serif;
    font-size: 17px; line-height: 1.55;
    min-height: 100vh; overflow-x: hidden;
    transition: background 0.4s, color 0.4s;
  }
  body {
    background-image:
      radial-gradient(circle at 18% 8%, rgba(176,52,52,0.06) 0%, transparent 42%),
      radial-gradient(circle at 85% 90%, rgba(224,180,80,0.05) 0%, transparent 45%);
    background-attachment: fixed;
  }
  /* Paper grain overlay */
  body::before {
    content: ""; position: fixed; inset: 0; z-index: 1; pointer-events: none;
    opacity: var(--grain-op);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }
  ::selection { background: var(--accent-deep); color: var(--ink); }

  .wrap { max-width: 920px; margin: 0 auto; padding: 0 22px 120px; position: relative; z-index: 2; }

  /* ============ MASTHEAD ============ */
  .masthead {
    text-align: center; padding: 30px 0 16px; border-bottom: 3px double var(--rule);
    margin-bottom: 0; position: relative;
  }
  .masthead .kicker {
    font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.42em;
    text-transform: uppercase; color: var(--ink-soft); margin-bottom: 12px;
    display: flex; align-items: center; justify-content: center; gap: 14px;
  }
  .masthead .kicker::before, .masthead .kicker::after {
    content: ""; height: 1px; width: 46px; background: var(--rule);
  }
  .masthead h1 {
    font-family: 'Fraunces', serif; font-weight: 900; font-variation-settings: "opsz" 144;
    font-size: clamp(34px, 8vw, 64px); line-height: 0.92; letter-spacing: -0.03em;
  }
  .masthead h1 em { font-style: italic; font-weight: 400; color: var(--accent); }
  .masthead .sub {
    font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.22em;
    text-transform: uppercase; color: var(--ink-soft); margin-top: 14px;
    display: flex; gap: 18px; justify-content: center; flex-wrap: wrap;
  }
  .masthead .sub span::before { content: "§ "; color: var(--accent); }
  @media (max-width: 560px){
    .masthead h1 { font-size: clamp(26px, 8.5vw, 40px); }
    .masthead .kicker { letter-spacing: 0.16em; font-size: 8.5px; gap: 8px; }
    .masthead .kicker::before, .masthead .kicker::after { width: 16px; }
    .masthead .sub { gap: 10px; font-size: 9.5px; letter-spacing: 0.14em; }
  }

  /* wax seal */
  .seal {
    position: absolute; top: 24px; right: 0; width: 64px; height: 64px; border-radius: 50%;
    background: radial-gradient(circle at 38% 32%, var(--accent-soft), var(--seal) 55%, var(--accent-deep));
    box-shadow: inset 0 -3px 8px rgba(0,0,0,0.4), 0 3px 10px var(--shadow);
    display: grid; place-items: center; transform: rotate(-8deg);
    font-family: 'JetBrains Mono', monospace; color: #fff; text-align: center;
    font-size: 8px; letter-spacing: 0.1em; line-height: 1.3; font-weight: 700;
    border: 2px solid rgba(255,255,255,0.12);
  }
  .seal span { text-shadow: 0 1px 1px rgba(0,0,0,0.5); }
  @media (max-width: 640px){ .seal { display: none; } }

  /* ============ NAV ============ */
  .nav {
    position: sticky; top: 0; z-index: 60; background: var(--paper);
    border-bottom: 1px solid var(--rule); margin: 0 -22px 26px; padding: 9px 22px;
    backdrop-filter: blur(4px);
  }
  .nav-inner { display: flex; gap: 10px; align-items: flex-start; }
  .nav-tabs { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; flex: 1 1 auto; min-width: 0; }
  .nav-tools { display: flex; gap: 6px; align-items: center; flex: 0 0 auto; }
  .nav-btn {
    background: transparent; color: var(--ink-soft);
    border: 1px solid var(--rule-soft); padding: 0 12px; min-height: 40px;
    font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.1em;
    text-transform: uppercase; cursor: pointer; border-radius: 2px; transition: all 0.15s;
    white-space: nowrap; font-weight: 500; flex: 0 0 auto;
    display: inline-flex; align-items: center;
  }
  .nav-btn:hover { color: var(--ink); border-color: var(--ink-soft); }
  .nav-btn.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
  .nav-btn.nav-cta { background: var(--accent-fill); color: #fff; border-color: var(--accent-fill); font-weight: 700; }
  .nav-btn.nav-cta:hover { background: var(--accent-fill-h); border-color: var(--accent-fill-h); color: #fff; }
  .nav-btn.nav-cta.active { background: var(--accent-fill-h); border-color: var(--accent-fill-h); color: #fff; }
  /* Expandable tabs: icon only, the active tab springs open to show its label. */
  .nav-btn svg { width: 17px; height: 17px; flex: 0 0 auto; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
  .nav-btn .nl { display: inline-block; max-width: 0; opacity: 0; overflow: hidden; white-space: nowrap; margin-left: 0;
    transition: max-width 0.42s cubic-bezier(0.34,1.56,0.64,1), opacity 0.28s ease, margin-left 0.42s cubic-bezier(0.34,1.56,0.64,1); }
  .nav-btn.active .nl, .nav-btn:focus-visible .nl { max-width: 180px; opacity: 1; margin-left: 7px; }
  .nav-div { flex: 0 0 auto; width: 1px; height: 22px; background: var(--rule-soft); margin: 0 4px; }
  /* Mobile: give the tabs the full width instead of letting the profile/theme/lock
     tools crowd the first row. Tools sit on their own row (top right), tabs below. */
  @media (max-width: 600px){
    .nav-inner { flex-wrap: wrap; gap: 8px; }
    .nav-tools { order: -1; width: 100%; justify-content: flex-end; }
    .nav-tabs { flex-basis: 100%; justify-content: center; gap: 7px; }
    .nav-btn { min-height: 44px; }
    .icon-btn { min-width: 44px; height: 44px; }
    .flag-btn { width: 44px; height: 44px; }
    .spk { width: 42px; height: 42px; }
    .nav-div { display: none; }
  }
  .icon-btn {
    background: transparent; border: 1px solid var(--rule-soft); color: var(--ink-soft);
    min-width: 40px; height: 40px; border-radius: 2px; cursor: pointer; font-size: 15px;
    display: grid; place-items: center; transition: all 0.15s; flex: 0 0 auto;
  }
  .icon-btn:hover { color: var(--ink); border-color: var(--ink-soft); }

  /* ============ VIEWS ============ */
  .view { display: none; animation: fade 0.45s ease; }
  .view.active { display: block; }
  @keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

  h2.title {
    font-family: 'Fraunces', serif; font-weight: 900; font-variation-settings: "opsz" 144;
    font-size: clamp(26px, 5vw, 40px); line-height: 1.02; letter-spacing: -0.02em; margin-bottom: 4px;
  }
  h2.title em { font-style: italic; font-weight: 400; color: var(--accent); }
  .lede { color: var(--ink-soft); font-size: 16px; max-width: 60ch; margin: 8px 0 26px; }
  .eyebrow {
    font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.24em;
    text-transform: uppercase; color: var(--accent); margin-bottom: 10px; font-weight: 600;
  }

  /* ============ DASHBOARD ============ */
  .dash-hero { display: block; width: 100%; height: auto; border: 1px solid var(--rule); border-radius: 6px; margin-bottom: 22px; box-shadow: 0 6px 20px var(--shadow); }
  .exam-cd { display: flex; align-items: center; gap: 16px; background: var(--paper-raise); border: 1px solid var(--rule); border-left: 4px solid var(--gold); border-radius: 6px; padding: 14px 18px; margin-bottom: 22px; cursor: pointer; transition: border-color .15s, transform .15s; }
  .exam-cd:hover { border-color: var(--gold); transform: translateY(-1px); }
  .exam-cd.cd-soon { border-left-color: var(--accent); }
  .exam-cd.cd-now { border-left-color: var(--correct); }
  .exam-cd .cd-num { font-family: 'Fraunces'; font-weight: 900; font-variation-settings: "opsz" 144; font-size: 40px; line-height: 1; min-width: 54px; text-align: center; color: var(--gold); }
  .exam-cd.cd-soon .cd-num { color: var(--accent); }
  .exam-cd.cd-now .cd-num { color: var(--correct); }
  .exam-cd .cd-body { flex: 1; display: flex; flex-direction: column; gap: 2px; }
  .exam-cd .cd-body b { font-family: 'Fraunces'; font-weight: 800; font-size: 18px; }
  .exam-cd .cd-body span { font-family: 'JetBrains Mono'; font-size: 11px; color: var(--ink-soft); letter-spacing: .04em; }
  .exam-cd .cd-arrow { color: var(--ink-faint); font-size: 18px; }
  .focus-card { background: var(--paper-raise); border: 1px solid var(--rule); border-left: 4px solid var(--accent); border-radius: 6px; padding: 16px 20px; margin: 4px 0 22px; }
  .focus-card .eyebrow { margin-bottom: 6px; }
  .focus-title { font-family: 'Fraunces'; font-weight: 800; font-size: 20px; margin: 0 0 6px; }
  .focus-lede { color: var(--ink-soft); font-size: 14px; margin: 0 0 12px; max-width: 64ch; }
  .focus-card .toolbar { margin: 0; }
  .dash-video { width: 100%; display: block; border: 1px solid var(--rule); border-radius: 8px; margin: 4px 0 24px; background: #000; box-shadow: 0 14px 34px rgba(42,34,24,0.12); }
  .fv-h { font-family: 'Fraunces'; font-weight: 800; font-size: 22px; margin: 4px 0 14px; }
  .fv-player { width: 100%; display: block; border: 1px solid var(--rule); border-radius: 8px; background: #000; }
  .fv-grid { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 30px; }
  .fv-chip { font-family: 'JetBrains Mono'; font-size: 12px; padding: 8px 14px; border: 1px solid var(--rule); background: var(--paper-raise); color: var(--ink-soft); border-radius: 99px; cursor: pointer; transition: border-color .15s, color .15s, background .15s; }
  .fv-chip:hover { border-color: var(--ink-soft); color: var(--ink); }
  .fv-chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }
  .pe-sec { margin: 28px 0; }
  .pe-sec h3 { font-family: 'Fraunces'; font-weight: 800; font-size: 24px; color: var(--ink); margin: 0 0 6px; }
  .pe-sec p { color: var(--ink-soft); font-size: 16px; line-height: 1.55; margin: 8px 0; max-width: 70ch; }
  .pe-term { border-left: 3px solid var(--accent); background: var(--paper-raise); border-radius: 0 8px 8px 0; padding: 12px 16px; margin: 10px 0; max-width: 72ch; font-size: 16px; line-height: 1.5; color: var(--ink); }
  .pe-term b { font-family: 'Fraunces'; font-weight: 700; }
  .pe-term .pe-an { display: block; color: var(--ink-faint); font-size: 14px; margin-top: 5px; }
  .pe-trick { background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 8px; padding: 12px 16px; margin: 10px 0; max-width: 72ch; font-size: 16px; line-height: 1.5; color: var(--ink); }
  .pe-trick b { font-family: 'Fraunces'; color: var(--accent); }
  .pe-scenario { background: var(--paper-raise); border: 1px solid var(--rule); border-left: 3px solid var(--gold); border-radius: 0 8px 8px 0; padding: 14px 18px; margin: 12px 0; max-width: 72ch; }
  .pe-scenario .pe-q { font-size: 16px; line-height: 1.5; color: var(--ink); margin: 0 0 10px; }
  .pe-reveal { font-family: 'JetBrains Mono'; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; background: transparent; color: var(--accent); border: 1px solid var(--accent); border-radius: 99px; padding: 6px 16px; cursor: pointer; }
  .pe-reveal:hover { background: var(--accent); color: #fff; }
  .pe-a { font-size: 16px; line-height: 1.55; color: var(--ink-soft); margin: 12px 0 0; padding-top: 12px; border-top: 1px solid var(--rule); }
  /* Term scenarios trainer */
  .term-map { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:10px; margin:14px 0 8px; }
  .term-map .tm-card { background:var(--paper-raise); border:1px solid var(--rule); border-radius:8px; padding:12px 14px; font-size:14px; line-height:1.4; color:var(--ink); }
  .term-map .tm-card b { display:block; font-family:var(--serif,Georgia,serif); font-size:16px; margin-bottom:4px; color:var(--accent); }
  .term-map .tm-card span { color:var(--ink-soft); font-size:13.5px; }
  .term-drill { background:var(--paper-raise); border:1px solid var(--rule); border-radius:10px; padding:18px 18px 16px; margin:12px 0 8px; max-width:72ch; }
  .term-drill .td-bar { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin:0 0 14px; font-family:var(--mono,monospace); font-size:11px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-soft); }
  .term-drill .td-bar .td-score { margin-left:auto; color:var(--accent); font-weight:700; }
  .term-drill .td-story { font-size:16px; line-height:1.55; color:var(--ink); margin:0 0 12px; }
  .term-drill .td-ask { font-family:var(--serif,Georgia,serif); font-size:18px; font-weight:700; margin:0 0 12px; }
  .term-drill .td-opts { display:flex; flex-direction:column; gap:8px; }
  .term-drill .td-opt { display:flex; align-items:flex-start; gap:10px; text-align:left; width:100%; background:var(--paper); border:1px solid var(--rule); border-radius:8px; padding:11px 13px; cursor:pointer; color:var(--ink); font-size:15px; line-height:1.35; }
  .term-drill .td-opt:hover:not(:disabled) { border-color:var(--ink-soft); }
  .term-drill .td-opt:disabled { cursor:default; }
  .term-drill .td-opt .td-key { flex:0 0 auto; width:24px; height:24px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-family:var(--mono,monospace); font-size:11px; font-weight:700; background:var(--rule-soft); color:var(--ink-soft); }
  .term-drill .td-opt.correct { border-color:var(--correct-bd); background:var(--correct-bg); }
  .term-drill .td-opt.correct .td-key { background:var(--correct); color:#fff; }
  .term-drill .td-opt.wrong { border-color:var(--accent); background:var(--wrong-bg,rgba(214,92,92,.1)); }
  .term-drill .td-opt.wrong .td-key { background:var(--accent); color:#fff; }
  .term-drill .td-exp { margin-top:12px; padding:12px 14px; border-radius:8px; font-size:14.5px; line-height:1.45; }
  .term-drill .td-exp.ok { background:var(--correct-bg); border:1px solid var(--correct-bd); }
  .term-drill .td-exp.no { background:var(--wrong-bg,rgba(214,92,92,.1)); border:1px solid var(--accent); }
  .term-drill .td-exp b { display:block; font-family:var(--mono,monospace); font-size:11px; letter-spacing:.08em; text-transform:uppercase; margin-bottom:4px; }
  .term-drill .td-exp.ok b { color:var(--correct); }
  .term-drill .td-exp.no b { color:var(--accent); }
  .term-drill .td-actions { display:flex; gap:10px; margin-top:12px; flex-wrap:wrap; }
  .term-done { text-align:center; padding:18px 12px 6px; }
  .term-done .td-big { font-family:var(--serif,Georgia,serif); font-size:42px; font-weight:800; line-height:1; margin:6px 0; }
  .pe-jump { display:flex; gap:10px; flex-wrap:wrap; margin:8px 0 0; }
  .spk { position: absolute; top: 9px; right: 9px; z-index: 3; width: 36px; height: 36px; padding: 0; line-height: 1; font-size: 13px; background: var(--paper); border: 1px solid var(--rule); border-radius: 50%; cursor: pointer; color: var(--ink-soft); display: inline-flex; align-items: center; justify-content: center; transition: border-color .15s, background .15s, color .15s, transform .1s; }
  .spk:hover { border-color: var(--accent); color: var(--ink); }
  .spk.spk-on { background: var(--accent); border-color: var(--accent); color: #fff; }
  .spk:active { transform: scale(0.92); }
  .spk-card { position: static; float: none; width: 34px; height: 34px; font-size: 11px; margin-left: 8px; vertical-align: middle; background: transparent; }
  /* z-index:auto keeps this button inside its face's 3D transform. With the
     inherited z-index:3 it escaped the flip and painted the FRONT button on top
     of the flipped BACK face (mirrored onto the tag) in Safari. */
  .spk-face { position: static; top: auto; right: auto; flex: 0 0 auto; z-index: auto; }
  .hero-stats { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; margin-bottom: 26px; }
  @media (max-width: 720px){ .hero-stats { grid-template-columns: 1fr; } }

  .readiness {
    background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 4px;
    padding: 24px; display: flex; gap: 22px; align-items: center; position: relative; overflow: hidden;
  }
  .readiness::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(135deg, transparent 60%, rgba(214,92,92,0.05));
  }
  .ring { position: relative; width: 120px; height: 120px; flex-shrink: 0; }
  .ring svg { transform: rotate(-90deg); }
  .ring-track { fill: none; stroke: var(--rule-soft); stroke-width: 9; }
  .ring-fill { fill: none; stroke: var(--accent); stroke-width: 9; stroke-linecap: round; transition: stroke-dashoffset 1.1s cubic-bezier(.2,.8,.2,1); }
  .ring-label { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; }
  .ring-label .pct { font-family:'Fraunces'; font-weight: 900; font-size: 30px; line-height: 1; font-variation-settings:"opsz" 144; }
  .ring-label .cap { font-family:'JetBrains Mono'; font-size: 8px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); margin-top: 3px; }
  .readiness .ready-copy h3 { font-family:'Fraunces'; font-weight: 800; font-size: 21px; margin-bottom: 6px; }
  .readiness .ready-copy p { font-size: 14px; color: var(--ink-soft); }
  .verdict-pill { display:inline-block; font-family:'JetBrains Mono'; font-size: 10px; letter-spacing:0.14em; text-transform:uppercase; padding: 4px 10px; border-radius: 999px; margin-top: 10px; font-weight: 600; }

  .stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat {
    background: var(--paper-raise); border: 1px solid var(--rule-soft); border-radius: 4px;
    padding: 16px; transition: transform .15s, border-color .15s;
  }
  .stat:hover { transform: translateY(-2px); border-color: var(--rule); }
  .stat-link { cursor: pointer; }
  .stat-link:hover { border-color: var(--accent); }
  .stat-link:hover .l { color: var(--accent); }
  .stat .n { font-family:'Fraunces'; font-weight: 900; font-size: 30px; line-height: 1; font-variation-settings:"opsz" 144; }
  .stat .n em { color: var(--accent); font-style: normal; }
  .stat .l { font-family:'JetBrains Mono'; font-size: 9.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); margin-top: 7px; }

  .action-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin-bottom: 30px; }
  .action-card {
    background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 4px;
    padding: 20px; cursor: pointer; transition: all .18s; text-align: left; position: relative; overflow: hidden;
  }
  .action-card:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: 0 10px 28px var(--shadow); }
  .action-card .ac-no { font-family:'JetBrains Mono'; font-size: 10px; letter-spacing: 0.2em; color: var(--accent); font-weight: 700; }
  .action-card h4 { font-family:'Fraunces'; font-weight: 800; font-size: 20px; margin: 6px 0 5px; }
  .action-card p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.4; }
  .action-card .arrow { position: absolute; right: 16px; bottom: 14px; color: var(--ink-faint); font-size: 18px; transition: transform .18s, color .18s; }
  .action-card:hover .arrow { transform: translateX(4px); color: var(--accent); }
  .gcard-thumb { height: 70px; margin: -20px -20px 14px; border-bottom: 1px solid var(--rule-soft); border-radius: 4px 4px 0 0; display: grid; place-items: center; font-size: 32px; filter: saturate(1.1); }

  .topic-mastery { background: var(--paper-raise); border: 1px solid var(--rule-soft); border-radius: 4px; padding: 20px 22px; margin-bottom: 28px; }
  .topic-mastery h3 { font-family:'Fraunces'; font-weight: 800; font-size: 19px; margin-bottom: 14px; }
  .tm-row { display: grid; grid-template-columns: 180px 1fr 54px; gap: 12px; align-items: center; margin-bottom: 9px; font-size: 13.5px; }
  @media (max-width: 560px){ .tm-row { grid-template-columns: 120px 1fr 44px; font-size: 12px; } }
  .tm-bar { height: 8px; background: var(--rule-soft); border-radius: 999px; overflow: hidden; }
  .tm-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--gold-deep), var(--gold)); border-radius: 999px; transition: width 1s ease; }
  .tm-bar i.lo { background: linear-gradient(90deg, var(--accent-deep), var(--accent)); }
  .tm-bar i.hi { background: linear-gradient(90deg, var(--correct-bd), var(--correct)); }
  .tm-pct { font-family:'JetBrains Mono'; font-size: 11px; text-align: right; color: var(--ink-soft); }
  .tm-name { color: var(--ink); }

  /* ============ CHARTS ============ */
  .charts { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; margin-bottom: 28px; }
  @media (max-width: 680px){ .charts { grid-template-columns: 1fr; } }
  .chart-card { background: var(--paper-raise); border: 1px solid var(--rule-soft); border-radius: 4px; padding: 18px 20px; }
  .chart-card h3 { font-family:'Fraunces'; font-weight: 800; font-size: 18px; margin-bottom: 3px; }
  .chart-hint { font-family:'JetBrains Mono'; font-size: 9.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 10px; }
  .chart-svg { width: 100%; height: auto; display: block; }
  .donut { display: flex; align-items: center; gap: 14px; margin-top: 6px; }
  .donut-label b { font-family:'Fraunces'; font-weight: 900; font-size: 28px; font-variation-settings:"opsz" 144; display:block; line-height:1; }
  .donut-label span { font-family:'JetBrains Mono'; font-size: 9.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
  .mini-stat { font-family:'JetBrains Mono'; font-size: 11px; color: var(--ink-soft); margin-top: 12px; letter-spacing: 0.04em; }
  .mini-stat b { color: var(--gold); }

  /* ============ EXAM SIMULATOR ============ */
  .exam-bar {
    position: sticky; top: var(--nav-h, 60px); z-index: 30; background: var(--paper);
    border: 1px solid var(--rule); border-radius: 4px; padding: 12px 16px; margin-bottom: 20px;
    display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  }
  .exam-bar .progress-line { flex: 1; min-width: 140px; }
  .exam-bar .pl-track { height: 6px; background: var(--rule-soft); border-radius: 999px; overflow: hidden; }
  .exam-bar .pl-fill { height: 100%; background: var(--accent); border-radius: 999px; transition: width .3s; }
  .exam-bar .pl-text { font-family:'JetBrains Mono'; font-size: 10px; letter-spacing: 0.12em; color: var(--ink-soft); margin-top: 5px; text-transform: uppercase; }
  .timer {
    font-family:'JetBrains Mono'; font-size: 18px; font-weight: 700; letter-spacing: 0.05em;
    padding: 5px 12px; border: 1px solid var(--rule); border-radius: 3px; min-width: 92px; text-align: center;
  }
  .timer.warn { color: var(--gold); border-color: var(--gold-deep); }
  .timer.danger { color: var(--accent); border-color: var(--accent-deep); animation: pulse 1s infinite; }
  @keyframes pulse { 50% { opacity: 0.55; } }

  .q-card {
    background: var(--paper-raise); border: 1px solid var(--rule-soft); border-radius: 4px;
    padding: 22px 24px; margin-bottom: 16px; position: relative;
  }
  .q-card.flagged { border-left: 3px solid var(--gold); }
  .q-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
  .q-num { font-family:'JetBrains Mono'; font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); font-weight: 700; }
  .q-topic { font-family:'JetBrains Mono'; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); border: 1px solid var(--rule-soft); padding: 2px 7px; border-radius: 999px; }
  .flag-btn { background: transparent; border: none; cursor: pointer; color: var(--ink-faint); font-size: 15px; width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; padding: 0; transition: color .15s, transform .15s; }
  .flag-btn:hover { color: var(--gold); transform: scale(1.15); }
  .flag-btn.on { color: var(--gold); }
  .q-text { font-size: 18.5px; font-weight: 500; line-height: 1.4; margin-bottom: 16px; }
  .opts { display: flex; flex-direction: column; gap: 9px; }
  .opt {
    display: flex; gap: 12px; align-items: flex-start; padding: 12px 15px;
    border: 1px solid var(--rule-soft); border-radius: 3px; cursor: pointer; transition: all .13s;
    font-size: 15.5px; line-height: 1.4; background: var(--paper);
  }
  .opt:hover { border-color: var(--ink-soft); background: var(--paper-raise-2); }
  .opt .key {
    font-family:'JetBrains Mono'; font-size: 11px; font-weight: 700; width: 22px; height: 22px;
    border: 1px solid var(--rule); border-radius: 50%; display: grid; place-items: center; flex-shrink: 0; color: var(--ink-soft);
  }
  .opt.selected { border-color: var(--accent); background: var(--paper-raise-2); }
  .opt.selected .key { background: var(--accent-fill); color: #fff; border-color: var(--accent-fill); }
  .opt.correct { border-color: var(--correct-bd); background: var(--correct-bg); }
  .opt.correct .key { background: var(--correct); color: #14110d; border-color: var(--correct); }
  .opt.wrong { border-color: var(--wrong-bd); background: var(--wrong-bg); }
  .opt.wrong .key { background: var(--wrong); color: #fff; border-color: var(--wrong); }
  .opt.disabled { cursor: default; pointer-events: none; }
  .explain {
    margin-top: 14px; padding: 12px 15px; border-left: 3px solid var(--accent);
    background: var(--paper); font-size: 14px; color: var(--ink-soft); line-height: 1.5; border-radius: 0 3px 3px 0;
    animation: fade .3s;
  }
  .explain strong, .explain b { color: var(--ink); }
  .explain .verdict { font-family:'JetBrains Mono'; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 700; display: block; margin-bottom: 5px; }
  .explain.ok .verdict { color: var(--correct); }
  .explain.no .verdict { color: var(--wrong); }

  /* exam controls */
  .controls { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0; }
  .btn {
    font-family:'JetBrains Mono'; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
    padding: 13px 24px; border-radius: 3px; cursor: pointer; border: 1px solid var(--ink); font-weight: 600; transition: all .15s;
  }
  .btn-primary { background: var(--accent-fill); color: #fff; border-color: var(--accent-fill); }
  .btn-primary:hover { background: var(--accent-fill-h); border-color: var(--accent-fill-h); transform: translateY(-2px); box-shadow: 0 8px 20px var(--shadow); }
  .btn-ghost { background: transparent; color: var(--ink); }
  .btn-ghost:hover { background: var(--ink); color: var(--paper); }
  .btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

  /* result screen */
  .result {
    background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 4px;
    padding: 34px; text-align: center; margin-bottom: 24px; position: relative; overflow: hidden;
  }
  .result .stamp {
    position: absolute; top: 18px; right: 18px; transform: rotate(11deg);
    font-family:'JetBrains Mono'; font-weight: 700; font-size: 13px; letter-spacing: 0.18em;
    padding: 8px 16px; border: 3px solid; border-radius: 5px; text-transform: uppercase; opacity: 0.92;
  }
  .result.pass .stamp { color: var(--correct); border-color: var(--correct); }
  .result.fail .stamp { color: var(--accent); border-color: var(--accent); }
  .result .score-big { font-family:'Fraunces'; font-weight: 900; font-size: clamp(56px, 14vw, 96px); line-height: 1; font-variation-settings:"opsz" 144; }
  .result.pass .score-big { color: var(--correct); }
  .result.fail .score-big { color: var(--accent); }
  .result .score-sub { font-family:'JetBrains Mono'; font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); margin-top: 8px; }
  .result h3 { font-family:'Fraunces'; font-weight: 800; font-size: 26px; margin: 18px 0 6px; }
  .result p { color: var(--ink-soft); font-size: 15px; max-width: 50ch; margin: 0 auto; }
  .breakdown { display: grid; grid-template-columns: repeat(auto-fit,minmax(150px,1fr)); gap: 10px; margin-top: 24px; text-align: left; }
  .bd-item { border: 1px solid var(--rule-soft); border-radius: 3px; padding: 11px 13px; }
  .bd-item .bd-top { display: flex; justify-content: space-between; font-size: 12.5px; margin-bottom: 6px; }
  .bd-item .bd-name { color: var(--ink); }
  .bd-item .bd-frac { font-family:'JetBrains Mono'; font-size: 11px; color: var(--ink-soft); }

  /* ============ QUESTION BANK ============ */
  .toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }
  .chip {
    font-family:'JetBrains Mono'; font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase;
    padding: 7px 12px; border: 1px solid var(--rule-soft); border-radius: 999px; cursor: pointer; transition: all .14s; color: var(--ink-soft);
  }
  .chip:hover { border-color: var(--ink-soft); color: var(--ink); }
  .chip.active { background: var(--accent-fill); border-color: var(--accent-fill); color: #fff; }
  .chip .c-n { opacity: 0.7; margin-left: 4px; }
  .search-box {
    flex: 1; min-width: 180px; display: flex; align-items: center; gap: 8px;
    border: 1px solid var(--rule-soft); border-radius: 3px; padding: 8px 12px; background: var(--paper-raise);
  }
  .search-box input {
    flex: 1; background: transparent; border: none; outline: none; color: var(--ink);
    font-family:'JetBrains Mono'; font-size: 13px;
  }
  .search-box input::placeholder { color: var(--ink-faint); }

  /* ============ FLASHCARDS ============ */
  .flash-stage { perspective: 1400px; margin: 10px auto 22px; max-width: 560px; }
  .flash-card {
    position: relative; width: 100%; min-height: 280px; cursor: pointer;
    transform-style: preserve-3d; -webkit-transform-style: preserve-3d; transition: transform .6s cubic-bezier(.2,.8,.2,1);
  }
  .flash-card.flipped { transform: rotateY(180deg); -webkit-transform: rotateY(180deg); }
  .flash-face {
    position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; border: 1px solid var(--rule);
    border-radius: 6px; padding: 18px 22px 14px; display: flex; flex-direction: column;
    background: var(--paper-raise); box-shadow: 0 10px 30px var(--shadow);
  }
  /* Pure flow layout (no absolutely-positioned children). Safari renders absolute
     children of a 3D-flipped face on the wrong side, which dropped the Listen
     button onto the tag. Top row, growing centered body, bottom hint instead. */
  .flash-face .fc-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex: 0 0 auto; }
  .flash-face .fc-tag { font-family:'JetBrains Mono'; font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
  .flash-face .fc-body { flex: 1 1 auto; min-height: 0; display: flex; align-items: center; justify-content: center; }
  .flash-face .fc-flip-hint { text-align: right; flex: 0 0 auto; font-family:'JetBrains Mono'; font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); }
  .flash-front .fc-term { font-family:'Fraunces'; font-weight: 800; font-size: clamp(26px,6vw,36px); line-height: 1.05; text-align: center; }
  .flash-back { transform: rotateY(180deg); -webkit-transform: rotateY(180deg); }
  .flash-back .fc-def { font-size: 16px; line-height: 1.55; color: var(--ink); }
  /* Fallback for browsers that mishandle backface-visibility: hard-hide the
     face that is turned away so its content can never show through. Swaps at
     the midpoint of the 0.6s flip so the animation still reads cleanly. */
  .flash-face { transition: visibility 0s linear .3s; }
  .flash-back { visibility: hidden; }
  .flash-card.flipped .flash-front { visibility: hidden; }
  .flash-card.flipped .flash-back { visibility: visible; }
  .flash-meta { text-align: center; font-family:'JetBrains Mono'; font-size: 11px; letter-spacing: 0.14em; color: var(--ink-soft); margin-bottom: 14px; text-transform: uppercase; }

  /* ============ REFERENCE (laws / keypoints / glossary) ============ */
  .ref-block { margin-bottom: 30px; }
  .ref-block h3 {
    font-family:'Fraunces'; font-weight: 800; font-size: 22px; margin-bottom: 3px; padding-bottom: 8px;
    border-bottom: 1px solid var(--rule); display: flex; align-items: baseline; gap: 12px;
  }
  .ref-block .rb-sub { font-family:'JetBrains Mono'; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
  .ref-block .rb-intro { color: var(--ink-soft); font-size: 14px; margin: 10px 0 14px; }
  .law-item, .kp-item { padding: 11px 0; border-bottom: 1px dotted var(--rule-soft); display: grid; grid-template-columns: 130px 1fr; gap: 16px; }
  @media (max-width: 600px){ .law-item, .kp-item { grid-template-columns: 1fr; gap: 4px; } }
  .law-item .li-code, .kp-item .li-code { font-family:'JetBrains Mono'; font-size: 12px; font-weight: 700; color: var(--accent); }
  .law-item .li-title { font-weight: 600; }
  .law-item .li-body, .kp-item .li-body { font-size: 14px; color: var(--ink-soft); line-height: 1.5; max-width: 66ch; }
  .law-item .li-body strong, .kp-item .li-body strong { color: var(--ink); }
  .kp-item .li-title { font-family:'Fraunces'; font-weight: 700; font-size: 16px; color: var(--ink); }
  /* make room for the absolute 🔊 listen button so text never runs under it */
  .law-item, .gloss-item, .pe-term, .pe-trick, .explain { position: relative; }
  .law-item { padding-right: 46px; }
  .gloss-item { padding-right: 46px; }
  .pe-term, .pe-trick { padding-right: 48px; }
  .explain { position: relative; padding-right: 46px; }

  .gloss-item { padding: 12px 0; border-bottom: 1px dotted var(--rule-soft); }
  .gloss-item .gt { font-family:'Fraunces'; font-weight: 700; font-size: 17px; color: var(--ink); }
  .gloss-item .gd { font-size: 14px; color: var(--ink-soft); line-height: 1.5; margin-top: 3px; }

  .sub-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 22px; }
  .sub-tab { font-family:'JetBrains Mono'; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; padding: 8px 16px; border: 1px solid var(--rule-soft); border-bottom-width: 2px; border-radius: 3px 3px 0 0; cursor: pointer; color: var(--ink-soft); }
  .sub-tab.active { color: var(--ink); border-color: var(--rule); border-bottom-color: var(--accent); background: var(--paper-raise); }

  .empty { text-align: center; padding: 50px 20px; color: var(--ink-faint); font-family:'JetBrains Mono'; font-size: 13px; letter-spacing: 0.1em; }

  footer { text-align: center; padding: 40px 0 0; border-top: 1px solid var(--rule-soft); margin-top: 40px; color: var(--ink-faint); font-family:'JetBrains Mono'; font-size: 10.5px; letter-spacing: 0.12em; line-height: 1.8; }
  footer a { color: var(--accent); text-decoration: none; }

  .toast {
    position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(80px);
    background: var(--ink); color: var(--paper); font-family:'JetBrains Mono'; font-size: 12px;
    letter-spacing: 0.06em; padding: 12px 22px; border-radius: 4px; z-index: 200; opacity: 0;
    transition: all .3s; box-shadow: 0 8px 30px var(--shadow); max-width: 90vw; text-align: center;
  }
  .toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

  /* ===== LOCK SCREEN ===== */
  .lock-screen { position: fixed; inset: 0; z-index: 9999; background: var(--paper); display: flex; align-items: center; justify-content: center; padding: 24px;
    background-image: radial-gradient(circle at 30% 20%, rgba(176,52,52,0.08), transparent 45%), radial-gradient(circle at 75% 85%, rgba(224,180,80,0.06), transparent 50%); }
  .lock-box { max-width: 360px; width: 100%; text-align: center; }
  .lock-copy { margin-top: 30px; font-family: 'JetBrains Mono'; font-size: 9.5px; letter-spacing: 0.14em; line-height: 1.7; color: var(--ink-faint); text-transform: uppercase; }
  .lock-seal { width: 70px; height: 70px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center; font-size: 30px;
    background: radial-gradient(circle at 38% 32%, var(--accent-soft), var(--seal) 60%, var(--accent-deep)); box-shadow: inset 0 -3px 8px rgba(0,0,0,0.4), 0 6px 18px var(--shadow); }
  .lock-kicker { font-family:'JetBrains Mono',monospace; font-size: 10px; letter-spacing: 0.4em; text-transform: uppercase; color: var(--ink-soft); }
  .lock-title { font-family:'Fraunces',serif; font-weight: 900; font-variation-settings:"opsz" 144; font-size: 40px; line-height: 1; letter-spacing: -0.02em; margin: 8px 0 6px; }
  .lock-title em { font-style: italic; font-weight: 400; color: var(--accent); }
  .lock-sub { color: var(--ink-soft); font-size: 14px; margin-bottom: 22px; }
  #lockForm { display: flex; flex-direction: column; gap: 10px; }
  #lockInput { width: 100%; padding: 14px 16px; border: 1px solid var(--rule); border-radius: 4px; background: var(--paper-raise); color: var(--ink);
    font-family:'JetBrains Mono',monospace; font-size: 16px; text-align: center; letter-spacing: 0.1em; }
  #lockInput:focus { outline: none; border-color: var(--accent); }
  .lock-btn { padding: 13px; border: 1px solid var(--accent); background: var(--accent); color: #fff; border-radius: 4px; cursor: pointer;
    font-family:'JetBrains Mono',monospace; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600; transition: all .15s; }
  .lock-btn:hover { background: var(--accent-soft); }
  .lock-msg { min-height: 22px; margin-top: 14px; font-family:'JetBrains Mono',monospace; font-size: 12px; color: var(--accent); letter-spacing: 0.04em; }
  .lock-box.shake { animation: shake .4s; }

  /* ============ GAME · NOTARY RUSH ============ */
  .game-wrap { max-width: 620px; margin: 0 auto; }
  .game-hud {
    display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center;
    background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 6px; padding: 12px 16px; margin-bottom: 14px;
  }
  .lives { font-size: 19px; letter-spacing: 2px; }
  .lives .lost { opacity: 0.2; filter: grayscale(1); }
  .game-score { text-align: center; }
  .game-score .sc { font-family:'Fraunces'; font-weight: 900; font-size: 30px; line-height: 1; font-variation-settings:"opsz" 144; }
  .game-score .lbl { font-family:'JetBrains Mono'; font-size: 8.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); }
  .combo { text-align: right; }
  .combo .mult { font-family:'Fraunces'; font-weight: 900; font-size: 24px; color: var(--gold); font-variation-settings:"opsz" 144; transition: transform .15s; }
  .combo .mult.pump { transform: scale(1.4); }
  .combo .lbl { font-family:'JetBrains Mono'; font-size: 8.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); }

  .game-timer-track { height: 8px; background: var(--rule-soft); border-radius: 999px; overflow: hidden; margin-bottom: 16px; }
  .game-timer-fill { height: 100%; width: 100%; background: linear-gradient(90deg, var(--gold), var(--correct)); border-radius: 999px; transition: width .1s linear, background .3s; }
  .game-timer-fill.mid { background: linear-gradient(90deg, var(--gold-deep), var(--gold)); }
  .game-timer-fill.low { background: linear-gradient(90deg, var(--accent-deep), var(--accent)); }

  .game-q {
    background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 6px; padding: 24px;
    margin-bottom: 14px; min-height: 110px; display: flex; align-items: center;
  }
  .game-q.shake { animation: shake .4s; }
  @keyframes shake { 0%,100%{transform:translateX(0)} 20%{transform:translateX(-9px)} 40%{transform:translateX(8px)} 60%{transform:translateX(-6px)} 80%{transform:translateX(4px)} }
  .game-q.flash-ok { animation: flok .5s; }
  @keyframes flok { 0%{box-shadow:0 0 0 0 var(--correct)} 40%{box-shadow:0 0 0 4px var(--correct-bg)} 100%{box-shadow:none} }
  .game-q .gqt { font-family:'Fraunces'; font-weight: 600; font-size: 20px; line-height: 1.35; }
  .game-q .topic-flag { font-family:'JetBrains Mono'; font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); display:block; margin-bottom: 8px; }

  .game-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  @media (max-width: 520px){ .game-opts { grid-template-columns: 1fr; } }
  .game-opt {
    display: flex; gap: 10px; align-items: center; padding: 14px 16px; border: 1px solid var(--rule);
    border-radius: 5px; cursor: pointer; font-size: 15px; line-height: 1.3; transition: all .12s; background: var(--paper);
    text-align: left; color: var(--ink);
  }
  .game-opt:hover { border-color: var(--accent); transform: translateY(-2px); }
  .game-opt .gk { font-family:'JetBrains Mono'; font-weight: 700; font-size: 11px; width: 20px; height: 20px; border: 1px solid var(--rule); border-radius: 4px; display: grid; place-items: center; flex-shrink: 0; color: var(--ink-soft); }
  .game-opt.correct { border-color: var(--correct); background: var(--correct-bg); }
  .game-opt.wrong { border-color: var(--wrong); background: var(--wrong-bg); }
  .game-opt.dim { opacity: 0.3; }
  .game-opt:disabled { cursor: default; }

  .lifelines { display: flex; gap: 10px; justify-content: center; margin: 16px 0; }
  .lifeline { font-family:'JetBrains Mono'; font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; padding: 9px 16px; border: 1px solid var(--rule); border-radius: 999px; background: transparent; color: var(--ink-soft); cursor: pointer; transition: all .15s; }
  .lifeline:hover:not(:disabled) { color: var(--ink); border-color: var(--accent); }
  .lifeline:disabled { opacity: 0.3; cursor: not-allowed; text-decoration: line-through; }

  .float-pts { position: fixed; font-family:'Fraunces'; font-weight: 900; font-size: 34px; pointer-events: none; z-index: 150; color: var(--correct); animation: floatup 1s ease-out forwards; font-variation-settings:"opsz" 144; }
  @keyframes floatup { 0%{opacity:1;transform:translateY(0) scale(.6)} 30%{transform:translateY(-10px) scale(1.1)} 100%{opacity:0;transform:translateY(-70px) scale(1)} }

  .game-start, .game-over { text-align: center; background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 6px; padding: 36px 28px; }
  .game-start h3, .game-over h3 { font-family:'Fraunces'; font-weight: 900; font-size: clamp(30px,7vw,52px); font-variation-settings:"opsz" 144; line-height: 1; }
  .game-start h3 em, .game-over h3 em { font-style: italic; color: var(--accent); font-weight: 400; }
  .game-over .final { font-family:'Fraunces'; font-weight: 900; font-size: clamp(54px,15vw,90px); color: var(--gold); font-variation-settings:"opsz" 144; line-height:1; margin: 8px 0; }
  .go-stats { display:flex; gap: 22px; justify-content:center; margin: 18px 0 6px; flex-wrap: wrap; }
  .go-stats div { font-family:'JetBrains Mono'; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); }
  .go-stats div b { display:block; font-family:'Fraunces'; font-size: 24px; color: var(--ink); font-weight: 800; margin-bottom: 3px; }
  .hiscore-badge { display:inline-block; font-family:'JetBrains Mono'; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); border: 1px solid var(--gold-deep); padding: 6px 14px; border-radius: 999px; margin-top: 10px; }
  .game-rules { font-size: 14px; color: var(--ink-soft); max-width: 44ch; margin: 14px auto 22px; line-height: 1.6; }
  .diff-pick { display:flex; gap:10px; justify-content:center; flex-wrap:wrap; margin-bottom: 8px; }

  /* GAME · juice additions */
  .level-banner { display:flex; align-items:center; gap:12px; margin-bottom:12px; padding:6px 4px; border-radius:6px; transition:background .3s; }
  .level-banner.flash { background:rgba(224,180,80,0.15); }
  .level-banner .lv-name { font-family:'JetBrains Mono'; font-size:10px; letter-spacing:0.14em; text-transform:uppercase; color:var(--gold); white-space:nowrap; font-weight:700; }
  .level-banner .lv-track { flex:1; height:6px; background:var(--rule-soft); border-radius:999px; overflow:hidden; }
  .level-banner .lv-track i { display:block; height:100%; background:linear-gradient(90deg,var(--gold-deep),var(--gold)); border-radius:999px; transition:width .3s; }
  .game-score .sc.pump, .combo .mult.pump { transform:scale(1.35); }
  .game-score .sc { transition:transform .15s; }
  .game-timer-fill.frozen { background:linear-gradient(90deg,#6fb6c1,#a9e0e8) !important; box-shadow:0 0 10px rgba(120,200,220,.6); }
  .game-q.hot { border-color:var(--accent); box-shadow:0 0 0 1px var(--accent), 0 0 22px rgba(214,92,92,0.25); }
  .game-q.tense { animation: tense .2s; }
  @keyframes tense { 50%{ box-shadow:0 0 0 2px var(--gold); } }
  #gWrap.hurt { animation: hurt .35s; }
  @keyframes hurt { 0%,100%{filter:none} 30%{filter:brightness(0.7) saturate(1.4)} }
  .float-pts.light { color:var(--gold); text-shadow:0 0 12px rgba(224,180,80,0.8); }

  .combo-flash {
    position:absolute; left:50%; top:42%; transform:translate(-50%,-50%) scale(0.6); opacity:0; pointer-events:none;
    font-family:'Fraunces'; font-weight:900; font-variation-settings:"opsz" 144; font-size:34px; color:var(--gold);
    letter-spacing:-0.01em; z-index:120; text-shadow:0 2px 18px rgba(0,0,0,0.4); white-space:nowrap;
  }
  .combo-flash.show { animation: comboPop .9s ease-out; }
  .combo-flash.big { font-size:52px; color:var(--accent); }
  @keyframes comboPop { 0%{opacity:0;transform:translate(-50%,-50%) scale(0.4) rotate(-6deg)} 25%{opacity:1;transform:translate(-50%,-50%) scale(1.1) rotate(2deg)} 70%{opacity:1;transform:translate(-50%,-60%) scale(1)} 100%{opacity:0;transform:translate(-50%,-90%) scale(1)} }

  .levelup-pop {
    position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); z-index:130; text-align:center; pointer-events:none;
    background:var(--paper-raise); border:2px solid var(--gold); border-radius:10px; padding:18px 30px;
    box-shadow:0 16px 50px var(--shadow), 0 0 30px rgba(224,180,80,0.3); animation: lvpop 1.5s ease-out;
  }
  .levelup-pop span { display:block; font-family:'JetBrains Mono'; font-size:11px; letter-spacing:0.3em; color:var(--gold); }
  .levelup-pop b { display:block; font-family:'Fraunces'; font-weight:900; font-size:30px; font-variation-settings:"opsz" 144; margin:4px 0; color:var(--ink); }
  .levelup-pop i { font-family:'JetBrains Mono'; font-size:10px; letter-spacing:0.08em; color:var(--ink-soft); font-style:normal; }
  @keyframes lvpop { 0%{opacity:0;transform:translate(-50%,-50%) scale(0.3)} 15%{opacity:1;transform:translate(-50%,-50%) scale(1.08)} 30%{transform:translate(-50%,-50%) scale(1)} 80%{opacity:1} 100%{opacity:0;transform:translate(-50%,-70%) scale(1)} }

  .confetti { position:fixed; top:-20px; width:9px; height:14px; z-index:140; pointer-events:none; border-radius:2px; animation: fall 1.5s ease-in forwards; }
  @keyframes fall { 0%{opacity:1;top:-20px} 100%{opacity:0;top:100vh} }

  .ach-row { display:flex; gap:7px; flex-wrap:wrap; justify-content:center; margin-top:16px; }
  .ach { font-family:'JetBrains Mono'; font-size:9.5px; letter-spacing:0.04em; padding:5px 9px; border:1px solid var(--rule-soft); border-radius:999px; color:var(--ink-faint); opacity:0.5; }
  .ach.got { opacity:1; color:var(--gold); border-color:var(--gold-deep); }

  /* ============ PROFILES ============ */
  /* User dropdown: rounded card, avatar header, grouped rows, hover pills. */
  .profile-panel {
    position: fixed; top: 52px; right: 14px; z-index: 80; width: 300px; max-width: 94vw;
    background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 16px; padding: 6px;
    box-shadow: 0 18px 50px var(--shadow);
  }
  .pd-head { display: flex; align-items: center; gap: 10px; padding: 10px 10px 12px; }
  .pd-av { width: 40px; height: 40px; flex: 0 0 auto; border-radius: 50%; display: grid; place-items: center;
    background: var(--accent-fill); color: #fff; font-family: 'Fraunces', serif; font-weight: 800; font-size: 16px; }
  .pd-id { flex: 1; min-width: 0; }
  .pd-id b { display: block; font-size: 14px; font-weight: 700; color: var(--ink); line-height: 1.25; }
  .pd-id span { font-family: 'JetBrains Mono'; font-size: 9.5px; color: var(--ink-soft); letter-spacing: 0.04em; }
  .pd-badge { font-family: 'JetBrains Mono'; font-size: 8.5px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700;
    padding: 4px 8px; border-radius: 999px; display: inline-flex; align-items: center; gap: 5px; white-space: nowrap;
    color: var(--correct); border: 1px solid var(--correct); }
  .pd-badge i { width: 6px; height: 6px; border-radius: 50%; background: var(--correct); display: inline-block; }
  .pd-sep { height: 1px; background: var(--rule-soft); margin: 6px 4px; }
  .pd-label { font-family: 'JetBrains Mono'; font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); padding: 6px 10px 4px; }
  .pp-user { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 10px; cursor: pointer; transition: background .13s; }
  .pp-user:hover, .pp-user.active { background: var(--paper-raise-2); }
  .pp-user .pu-av { width: 26px; height: 26px; flex: 0 0 auto; border-radius: 50%; display: grid; place-items: center;
    background: var(--rule-soft); color: var(--ink-soft); font-family: 'Fraunces', serif; font-weight: 700; font-size: 11px; }
  .pp-user.active .pu-av { background: var(--accent-fill); color: #fff; }
  .pp-user .pu-name { flex: 1; font-size: 14px; color: var(--ink); }
  .pp-user .pu-meta { font-family: 'JetBrains Mono'; font-size: 9px; color: var(--ink-soft); }
  .pp-user .pu-check { width: 16px; height: 16px; flex: 0 0 auto; color: var(--accent); opacity: 0; }
  .pp-user.active .pu-check { opacity: 1; }
  .pp-user .pu-del { color: var(--ink-faint); font-size: 13px; padding: 0 2px; opacity: 0; transition: opacity .13s; }
  .pp-user:hover .pu-del { opacity: 1; }
  .pp-user .pu-del:hover { color: var(--accent); }
  .pp-add { display: flex; gap: 6px; padding: 6px 8px 8px; }
  .pp-add input { flex: 1; background: var(--paper); border: 1px solid var(--rule-soft); border-radius: 8px; padding: 8px 10px; color: var(--ink); font-family: 'JetBrains Mono'; font-size: 12px; }
  .pp-add input:focus { outline: none; border-color: var(--accent); }
  .pp-add button { background: var(--accent); color: #fff; border: none; border-radius: 8px; padding: 0 14px; cursor: pointer; font-family: 'JetBrains Mono'; font-size: 12px; }
  .pd-act { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; padding: 9px 10px; border-radius: 10px; cursor: pointer;
    background: transparent; border: 0; color: var(--ink); font-size: 13.5px; font-family: inherit; transition: background .13s; }
  .pd-act:hover { background: var(--paper-raise-2); }
  .pd-act svg { width: 18px; height: 18px; flex: 0 0 auto; stroke: var(--ink-soft); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
  .pd-act .pd-mut { margin-left: auto; font-family: 'JetBrains Mono'; font-size: 9px; color: var(--ink-faint); letter-spacing: 0.08em; text-transform: uppercase; }
  .pd-act.cta { color: var(--accent); font-weight: 700; }
  .pd-act.cta svg { stroke: var(--accent); }
  .pd-act.danger:hover { color: var(--wrong); }
  .pd-act.danger:hover svg { stroke: var(--wrong); }

  .leaderboard { background: var(--paper-raise); border: 1px solid var(--rule-soft); border-radius: 4px; padding: 18px 20px; margin-bottom: 28px; }
  .leaderboard h3 { font-family:'Fraunces'; font-weight: 800; font-size: 19px; margin-bottom: 14px; }
  .lb-row { display: grid; grid-template-columns: 28px 1fr auto auto auto; gap: 12px; align-items: center; padding: 8px 0; border-bottom: 1px dotted var(--rule-soft); font-size: 13.5px; }
  .lb-row .lb-rank { font-family:'Fraunces'; font-weight: 900; font-size: 18px; color: var(--gold); font-variation-settings:"opsz" 144; }
  .lb-row.me { background: var(--paper-raise-2); margin: 0 -10px; padding: 8px 10px; border-radius: 4px; }
  .lb-row .lb-name { font-weight: 600; }
  .lb-row .lb-stat { font-family:'JetBrains Mono'; font-size: 11px; color: var(--ink-soft); text-align: right; }
  .lb-row .lb-stat b { color: var(--ink); }
  .lb-head { font-family:'JetBrains Mono'; font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); }

  /* ============ CALENDAR (Upcoming Dates) ============ */
  .cal-month { margin-bottom: 28px; }
  .cal-title { font-family:'Fraunces',serif; font-weight: 800; font-style: italic; font-size: 30px; color: var(--accent); font-variation-settings:"opsz" 144; margin-bottom: 4px; }
  .cal-subtitle { font-family:'JetBrains Mono',monospace; font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 14px; }
  .cal-dow { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-bottom: 6px; }
  .cal-dow span { text-align: center; font-family:'JetBrains Mono',monospace; font-size: 10px; font-weight: 600; letter-spacing: 0.12em; color: var(--ink-soft); text-transform: uppercase; padding: 4px 0; }
  .cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
  .cal-day { aspect-ratio: 1 / 1; display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--paper-deep); border: 1px solid var(--rule-soft); border-radius: 3px; font-family:'JetBrains Mono',monospace; font-size: 14px; color: var(--ink); position: relative; padding: 4px 2px; min-height: 42px; }
  .cal-day.empty { background: transparent; border-color: transparent; }
  .cal-day.exam { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; box-shadow: 0 0 0 1px var(--accent); }
  .cal-day.exam::after { content: attr(data-time); position: absolute; bottom: 3px; font-size: 7px; letter-spacing: 0.04em; color: #fff; opacity: 0.92; white-space: nowrap; }
  .cal-day.you { background: var(--gold); border-color: var(--gold); box-shadow: 0 0 0 2px var(--gold), 0 0 14px rgba(224,180,80,0.5); color: #14110d; }
  .cal-day.you::after { color: #14110d; font-weight: 700; }
  .cal-day-num { font-size: 15px; font-weight: 600; line-height: 1; }
  .cal-day.exam .cal-day-num { font-size: 16px; }
  .you-sw { background: var(--gold) !important; }
  .exam-highlight { background: linear-gradient(135deg, var(--accent-deep), var(--accent)); color:#fff; border-radius: 6px; padding: 16px 20px; margin-bottom: 18px; font-size: 16px; line-height: 1.5; box-shadow: 0 8px 24px var(--shadow); }
  .exam-highlight strong { font-size: 18px; }
  .test-card.your-site { border: 1px solid var(--gold-deep); border-left: 3px solid var(--gold); position: relative; }
  .site-badge { position: absolute; top: 12px; right: 14px; font-family:'JetBrains Mono'; font-size: 8.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); border: 1px solid var(--gold-deep); border-radius: 999px; padding: 3px 8px; }
  .test-card h4 { font-family:'JetBrains Mono'; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
  .cal-legend { display: flex; gap: 16px; align-items: center; font-family:'JetBrains Mono',monospace; font-size: 11px; color: var(--ink-soft); margin: 6px 0 18px; letter-spacing: 0.05em; }
  .cal-legend-swatch { display: inline-block; width: 14px; height: 14px; background: var(--accent); border-radius: 2px; margin-right: 6px; vertical-align: middle; }
  .cal-list { margin-top: 24px; padding: 16px 18px; background: var(--paper-deep); border: 1px solid var(--rule-soft); border-left: 3px solid var(--accent); border-radius: 3px; }
  .cal-list-title { font-family:'JetBrains Mono',monospace; font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 8px; }
  .cal-list-dates { font-family:'JetBrains Mono',monospace; font-size: 14px; color: var(--ink); line-height: 1.7; letter-spacing: 0.05em; }
  .cal-list-dates strong { color: var(--accent); font-weight: 600; }
  .cal-section-h { font-family:'Fraunces'; font-weight: 800; font-size: 19px; margin: 22px 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--rule); }
  .cal-month.your-cal { border: 1px solid var(--gold-deep); border-left: 3px solid var(--gold); border-radius: 4px; padding: 14px 16px; background: rgba(224,180,80,0.04); }
  .card-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
  .dir-btn { display: inline-block; font-family:'JetBrains Mono'; font-size: 11px; letter-spacing: 0.04em; padding: 7px 13px; border: 1px solid var(--rule); border-radius: 3px; color: var(--ink-soft); text-decoration: none; cursor: pointer; background: transparent; transition: all .14s; }
  .dir-btn:hover { color: var(--ink); border-color: var(--ink-soft); transform: translateY(-1px); }
  .dir-btn.on { background: var(--gold); border-color: var(--gold); color: #14110d; font-weight: 600; }
  .dir-btn.light { color: #fff; border-color: rgba(255,255,255,0.55); margin-top: 8px; }
  .dir-btn.light:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
  .exam-highlight.prompt { background: var(--paper-raise); color: var(--ink); border: 1px dashed var(--rule); box-shadow: none; }
  .exam-highlight.prompt strong { color: var(--accent); font-size: inherit; }
  .date-pick { background: var(--paper-raise); border: 1px solid var(--rule-soft); border-radius: 4px; padding: 14px 16px; margin-bottom: 20px; }
  .dp-label { font-family:'JetBrains Mono'; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); font-weight: 700; display: block; margin-bottom: 10px; }
  .dp-chips { display: flex; gap: 8px; flex-wrap: wrap; }
  .dp-chip { font-family:'JetBrains Mono'; font-size: 12px; padding: 8px 13px; border: 1px solid var(--rule); border-radius: 3px; background: var(--paper); color: var(--ink); cursor: pointer; transition: all .14s; }
  .dp-chip:hover { border-color: var(--accent); transform: translateY(-1px); }
  .dp-chip.active { background: var(--gold); border-color: var(--gold); color: #14110d; font-weight: 700; }
  .dp-chip.past { opacity: .4; text-decoration: line-through; cursor: not-allowed; }
  .dp-chip.past:hover { border-color: var(--rule); transform: none; }
  .dp-month { margin-bottom: 12px; }
  .dp-month:last-child { margin-bottom: 0; }
  .dp-mo { display:block; font-family:'JetBrains Mono'; font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-soft); margin-bottom:6px; }
  .cal-months { display:grid; grid-template-columns:repeat(auto-fill, minmax(230px, 1fr)); gap:18px; margin-top:6px; }
  .cal-mini-title { font-family:'JetBrains Mono'; font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:var(--accent); margin-bottom:8px; }
  .cal-day.exam.past { background: var(--rule-soft); border-color: var(--rule-soft); color: var(--ink-faint); box-shadow:none; opacity:.6; }
  .cal-day.exam.past::after { color: var(--ink-faint); }
  .exam-highlight.past { background: var(--paper-raise); color: var(--ink); border: 1px solid var(--accent); box-shadow:none; }
  .exam-highlight.past strong { color: var(--accent); }

  /* ============ CHEAT SHEET (inline + print) ============ */
  .cheat-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }
  .cheat-banner { background: var(--accent); color: #fff; text-align: center; padding: 10px 14px; border-radius: 4px; margin-bottom: 20px; font-family:'JetBrains Mono'; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; line-height: 1.5; }
  .cheat-banner b { font-size: 12.5px; }
  .cheat-grid { column-count: 2; column-gap: 18px; margin-bottom: 26px; }
  @media (max-width: 680px){ .cheat-grid { column-count: 1; } }
  .cheat-box { break-inside: avoid; border: 1px solid var(--rule-soft); border-radius: 4px; padding: 13px 15px; margin-bottom: 14px; background: var(--paper-raise); }
  .cheat-box h4 { font-family:'JetBrains Mono'; font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); border-bottom: 1px solid var(--rule); padding-bottom: 6px; margin-bottom: 9px; font-weight: 700; }
  .cheat-box table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
  .cheat-box td { padding: 3px 0; vertical-align: top; color: var(--ink-soft); }
  .cheat-box td b { color: var(--ink); }
  .cheat-box td.k { font-family:'JetBrains Mono'; font-weight: 700; color: var(--accent); white-space: nowrap; padding-right: 10px; width: 1%; }
  .cheat-box ul { list-style: none; }
  .cheat-box li { padding: 2px 0 2px 17px; position: relative; font-size: 12.5px; color: var(--ink-soft); }
  .cheat-box li.y::before { content: "✓"; position: absolute; left: 0; color: var(--correct); font-weight: 700; }
  .cheat-box li.n::before { content: "✗"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
  .cheat-note { font-size: 11px; color: var(--ink-soft); margin-top: 7px; padding-top: 7px; border-top: 1px dotted var(--rule-soft); }
  .cheat-note b { color: var(--ink); }
  .cheat-appendix-h { font-family:'Fraunces'; font-weight: 800; font-size: 21px; margin: 10px 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--rule); }

  @media print {
    .no-print { display: none !important; }
    body.printing-cheat::before { display: none !important; }
    body.printing-cheat .nav, body.printing-cheat .masthead, body.printing-cheat footer, body.printing-cheat #profilePanel { display: none !important; }
    body.printing-cheat .view:not(#view-cheat) { display: none !important; }
    body.printing-cheat #view-cheat { display: block !important; }
    body.printing-cheat { -webkit-print-color-adjust: exact; print-color-adjust: exact; background: #fff; }
    body.printing-cheat .wrap { padding: 0; max-width: none; }
    .cheat-box, .ref-block, .kp-item { break-inside: avoid; }
    .cheat-banner { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    @page { margin: 12mm; }
  }

  /* ============ BLITZ · TRUE/FALSE ============ */
  .blitz-card { background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 8px; padding: 34px 26px; min-height: 200px; display: flex; align-items: center; justify-content: center; text-align: center; margin: 14px 0; position: relative; }
  .blitz-card .bz-q { font-family:'Fraunces'; font-weight: 500; font-size: 22px; line-height: 1.4; }
  .blitz-card.go-true { animation: flyR .35s ease forwards; }
  .blitz-card.go-false { animation: flyL .35s ease forwards; }
  @keyframes flyR { to { transform: translateX(60px) rotate(5deg); opacity: 0; } }
  @keyframes flyL { to { transform: translateX(-60px) rotate(-5deg); opacity: 0; } }
  .blitz-card .bz-verdict { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); font-family:'JetBrains Mono'; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700; }
  .blitz-card.right .bz-verdict { color: var(--correct); } .blitz-card.wrong .bz-verdict { color: var(--wrong); }
  .blitz-card.right { border-color: var(--correct-bd); } .blitz-card.wrong { border-color: var(--wrong-bd); }
  .bz-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .bz-btn { padding: 20px; border-radius: 8px; border: 2px solid var(--rule); background: var(--paper-raise); cursor: pointer; font-family:'Fraunces'; font-weight: 800; font-size: 22px; transition: all .12s; }
  .bz-btn.t { color: var(--correct); } .bz-btn.f { color: var(--accent); }
  .bz-btn:hover { transform: translateY(-2px); }
  .bz-btn.t:hover { border-color: var(--correct); background: var(--correct-bg); }
  .bz-btn.f:hover { border-color: var(--accent); background: var(--wrong-bg); }
  .bz-key { display:block; font-family:'JetBrains Mono'; font-size: 9px; letter-spacing: 0.1em; color: var(--ink-faint); margin-top: 4px; text-transform: uppercase; }
  .bz-expl { font-size: 13px; color: var(--ink-soft); text-align: center; min-height: 34px; margin-top: 8px; line-height: 1.4; }

  /* ============ BOARD · JEOPARDY ============ */
  .board-grid { display: grid; gap: 8px; margin: 12px 0; }
  .board-col { display: grid; gap: 8px; }
  .board-cat { font-family:'JetBrains Mono'; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); text-align: center; padding: 10px 4px; border-bottom: 2px solid var(--accent); font-weight: 700; min-height: 52px; display: flex; align-items: center; justify-content: center; }
  .board-tile { aspect-ratio: 5/3; border: 1px solid var(--rule); border-radius: 4px; background: var(--paper-raise); display: flex; align-items: center; justify-content: center; cursor: pointer; font-family:'Fraunces'; font-weight: 900; font-size: 22px; color: var(--gold); font-variation-settings:"opsz" 144; transition: all .14s; }
  .board-tile:hover { background: var(--paper-raise-2); transform: scale(1.04); border-color: var(--gold); }
  .board-tile.used { opacity: 0.18; pointer-events: none; color: var(--ink-faint); }
  .board-q { background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 6px; padding: 22px; margin: 12px 0; }
  @media (max-width: 560px){
    .board-grid { gap: 5px; }
    .board-cat { font-size: 8px; letter-spacing: 0.02em; padding: 6px 2px; min-height: 42px; border-bottom-width: 1px; }
    .board-tile { font-size: 15px; border-radius: 3px; }
    .board-q { padding: 16px; }
  }
  @media (max-width: 380px){
    .board-cat { font-size: 7px; }
    .board-tile { font-size: 13px; }
  }

  /* ============ SORT · BUCKETS ============ */
  .sort-item { background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 6px; padding: 20px; text-align: center; font-family:'Fraunces'; font-weight: 600; font-size: 20px; margin: 10px 0; min-height: 80px; display: flex; align-items: center; justify-content: center; }
  .sort-item.right { border-color: var(--correct-bd); background: var(--correct-bg); }
  .sort-item.wrong { border-color: var(--wrong-bd); background: var(--wrong-bg); animation: shake .4s; }
  .sort-buckets { display: grid; gap: 10px; }
  .sort-bucket { padding: 16px; border: 2px dashed var(--rule); border-radius: 6px; cursor: pointer; text-align: center; font-family:'JetBrains Mono'; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink); background: var(--paper-raise); transition: all .12s; font-weight: 600; }
  .sort-bucket:hover { border-color: var(--accent); border-style: solid; transform: translateY(-2px); }

  /* ============ WORD · HANGMAN ============ */
  .word-clue { background: var(--paper-raise); border-left: 3px solid var(--accent); border-radius: 0 4px 4px 0; padding: 16px 18px; font-size: 16px; line-height: 1.5; color: var(--ink-soft); margin-bottom: 18px; }
  .word-slots { display: flex; gap: 7px; flex-wrap: wrap; justify-content: center; margin-bottom: 6px; }
  .word-slot { width: 30px; height: 40px; border-bottom: 3px solid var(--rule); display: flex; align-items: flex-end; justify-content: center; font-family:'Fraunces'; font-weight: 800; font-size: 26px; padding-bottom: 2px; }
  .word-slot.space { border: none; width: 16px; }
  .word-slot.filled { border-color: var(--correct); }
  .word-lives { text-align: center; font-family:'JetBrains Mono'; font-size: 13px; letter-spacing: 0.1em; color: var(--ink-soft); margin: 10px 0 16px; }
  .word-keys { display: grid; grid-template-columns: repeat(9, 1fr); gap: 6px; max-width: 520px; margin: 0 auto; }
  @media (max-width: 480px){ .word-keys { grid-template-columns: repeat(7, 1fr); } }
  .word-key { aspect-ratio: 1; border: 1px solid var(--rule); border-radius: 4px; background: var(--paper-raise); cursor: pointer; font-family:'JetBrains Mono'; font-weight: 700; font-size: 14px; color: var(--ink); text-transform: uppercase; transition: all .1s; display:flex;align-items:center;justify-content:center; }
  .word-key:hover:not(:disabled) { border-color: var(--accent); transform: translateY(-1px); }
  .word-key.hit { background: var(--correct-bg); border-color: var(--correct-bd); color: var(--correct); }
  .word-key.miss { background: var(--wrong-bg); border-color: var(--wrong-bd); color: var(--wrong); opacity: 0.6; }
  .word-key:disabled { cursor: default; }

  /* ============ MATCH · NOTARY MATCH (memory) ============ */
  .match-hud { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
  .match-hud .mh { background: var(--paper-raise); border: 1px solid var(--rule-soft); border-radius: 4px; padding: 8px 16px; text-align: center; }
  .match-hud .mh b { font-family:'Fraunces'; font-weight: 900; font-size: 22px; font-variation-settings:"opsz" 144; display: block; line-height: 1; }
  .match-hud .mh span { font-family:'JetBrains Mono'; font-size: 8.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }
  .match-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; max-width: 680px; margin: 0 auto; }
  @media (max-width: 560px){ .match-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; } }
  .tile { aspect-ratio: 3 / 2.2; perspective: 800px; cursor: pointer; }
  .tile-inner { position: relative; width: 100%; height: 100%; transform-style: preserve-3d; transition: transform .4s cubic-bezier(.2,.8,.2,1); }
  .tile.up .tile-inner, .tile.done .tile-inner { transform: rotateY(180deg); }
  .tile-face { position: absolute; inset: 0; backface-visibility: hidden; border-radius: 6px; display: flex; align-items: center; justify-content: center; text-align: center; padding: 8px 9px; border: 1px solid var(--rule); }
  .tile-back { background: var(--paper-raise); }
  .tile-back::after { content: "§"; font-family:'Fraunces'; font-weight: 900; font-size: 26px; color: var(--rule); }
  .tile-front { transform: rotateY(180deg); background: var(--paper-raise-2); font-size: 12.5px; line-height: 1.25; color: var(--ink); overflow: hidden; }
  .tile-front.prompt { font-family:'JetBrains Mono'; font-weight: 700; color: var(--accent); font-size: 13px; }
  .tile.done .tile-front { background: var(--correct-bg); border-color: var(--correct-bd); }
  .tile.bad .tile-front { background: var(--wrong-bg); border-color: var(--wrong-bd); animation: shake .4s; }
  .tile.done { cursor: default; }

  /* ============ LADDER · CLIMB THE COMMISSION ============ */
  .ladder-wrap { display: grid; grid-template-columns: 230px 1fr; gap: 22px; align-items: start; }
  @media (max-width: 720px){ .ladder-wrap { grid-template-columns: 1fr; } }
  .ladder { display: flex; flex-direction: column-reverse; gap: 4px; background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 6px; padding: 12px; position: sticky; top: 62px; }
  @media (max-width: 720px){ .ladder { position: static; flex-direction: column; } }
  .rung { display: flex; align-items: center; gap: 9px; padding: 7px 11px; border-radius: 4px; font-family:'JetBrains Mono'; font-size: 11px; letter-spacing: 0.03em; color: var(--ink-faint); transition: all .25s; }
  .rung .rn { width: 20px; text-align: right; opacity: 0.7; font-weight: 700; }
  .rung .rt { flex: 1; }
  .rung.safe { color: var(--gold); }
  .rung.safe .rt::after { content: ' ⭐'; }
  .rung.done { color: var(--correct); }
  .rung.current { background: var(--accent); color: #fff; transform: scale(1.04); box-shadow: 0 6px 18px var(--shadow); }
  .rung.current .rn { opacity: 1; }
  .ladder-stage { min-height: 300px; }
  .ladder-prize { font-family:'JetBrains Mono'; font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
  .ladder-q .gqt { font-family:'Fraunces'; font-weight: 600; font-size: 21px; line-height: 1.35; margin-bottom: 6px; }
  .secured { font-family:'JetBrains Mono'; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--correct); margin-bottom: 14px; }
  .ladder-hint { margin-top: 12px; padding: 10px 14px; border-left: 3px solid var(--gold); background: var(--paper); font-size: 13.5px; color: var(--ink-soft); border-radius: 0 3px 3px 0; }
  .ladder-hint b { color: var(--ink); }
  .schedule-content h3 { font-family:'Fraunces'; font-weight: 800; font-size: 20px; margin: 20px 0 6px; }
  .schedule-content h4 { font-family:'JetBrains Mono'; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin: 18px 0 8px; }
  .schedule-content p, .schedule-content li { color: var(--ink-soft); font-size: 14.5px; line-height: 1.55; }
  .schedule-content strong, .schedule-content b { color: var(--ink); }
  .schedule-content ul { margin: 6px 0 6px 20px; }
  .schedule-content .policy-block, .schedule-content .test-card { background: var(--paper-raise); border: 1px solid var(--rule-soft); border-radius: 4px; padding: 14px 16px; margin: 10px 0; }
  /* ===== LEARN (guided course) ===== */
  .nav-btn.nav-learn.active { background: var(--accent-fill); color:#fff; border-color: var(--accent-fill); }
  .learn-banner { display:flex; align-items:center; gap:16px; background:var(--paper-raise); border:1px solid var(--rule); border-left:4px solid var(--accent); border-radius:8px; padding:16px 18px; margin:0 0 22px; cursor:pointer; transition:border-color .15s, transform .15s, box-shadow .15s; }
  .learn-banner:hover { border-color:var(--accent); transform:translateY(-1px); box-shadow:0 8px 22px var(--shadow); }
  .learn-banner .lb-ico { flex:0 0 auto; width:46px; height:46px; border-radius:10px; background:var(--accent-fill); display:flex; align-items:center; justify-content:center; }
  .learn-banner .lb-ico svg { width:24px; height:24px; fill:none; stroke:#fff; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
  .learn-banner .lb-copy { flex:1; min-width:0; display:flex; flex-direction:column; gap:3px; }
  .learn-banner .lb-eyebrow { font-family:var(--mono,monospace); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--accent); }
  .learn-banner .lb-copy b { font-family:var(--serif,Georgia,serif); font-size:18px; color:var(--ink); }
  .learn-banner .lb-copy span { font-size:13px; color:var(--ink-soft); }
  .learn-banner .lb-track { height:6px; border-radius:99px; background:var(--rule-soft); overflow:hidden; margin-top:6px; }
  .learn-banner .lb-track i { display:block; height:100%; background:var(--accent-fill); border-radius:99px; transition:width .5s; }
  .learn-banner .lb-go { flex:0 0 auto; font-family:var(--mono,monospace); font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:var(--accent); font-weight:700; white-space:nowrap; }

  .learn-top { display:flex; align-items:center; gap:22px; background:var(--paper-raise); border:1px solid var(--rule); border-radius:10px; padding:20px 22px; margin:6px 0 18px; }
  .learn-top .lt-ring { flex:0 0 auto; }
  .learn-top .lt-copy { display:flex; flex-direction:column; gap:6px; }
  .learn-top .lt-copy b { font-family:var(--serif,Georgia,serif); font-size:20px; color:var(--ink); }
  .learn-top .lt-copy span { font-size:14px; color:var(--ink-soft); line-height:1.5; }
  .lt-cta { align-self:flex-start; margin-top:8px; background:var(--accent-fill); color:#fff; border:none; border-radius:6px; padding:10px 16px; font-weight:700; font-size:13px; cursor:pointer; transition:background .15s; }
  .lt-cta:hover { background:var(--accent-fill-h); }

  .learn-how { display:grid; grid-template-columns:repeat(4,1fr); gap:10px; margin:0 0 22px; }
  .lh-tip { background:var(--paper-raise); border:1px solid var(--rule-soft); border-radius:8px; padding:12px 14px; }
  .lh-tip b { display:block; font-family:var(--mono,monospace); font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:var(--accent); margin-bottom:4px; }
  .lh-tip span { font-size:12.5px; color:var(--ink-soft); line-height:1.45; }

  .lc-list { display:flex; flex-direction:column; gap:10px; margin-bottom:22px; }
  .lc-card { min-height: 84px; display:flex; align-items:center; gap:16px; text-align:left; width:100%; background:var(--paper-raise); border:1px solid var(--rule); border-radius:8px; padding:15px 18px; cursor:pointer; transition:border-color .15s, transform .15s, box-shadow .15s; color:var(--ink); }
  .lc-card:hover { border-color:var(--ink-soft); transform:translateY(-1px); box-shadow:0 6px 18px var(--shadow); }
  .lc-card.next { border-left:4px solid var(--accent); }
  .lc-card.done { border-left:4px solid var(--correct-bd); }
  .lc-card .lc-no { flex:0 0 auto; width:34px; height:34px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-family:var(--serif,Georgia,serif); font-size:16px; font-weight:600; background:var(--rule-soft); color:var(--ink-soft); }
  .lc-card.done .lc-no { background:var(--correct-bg); color:var(--correct); }
  .lc-card.done .lc-no svg { width:18px; height:18px; }
  .lc-card.next .lc-no { background:var(--accent-fill); color:#fff; }
  .lc-card .lc-body { flex:1; min-width:0; display:flex; flex-direction:column; gap:2px; }
  .lc-card .lc-body b { font-family:var(--serif,Georgia,serif); font-size:17px; }
  .lc-card .lc-goal { font-size:13px; color:var(--ink-soft); }
  .lc-card .lc-meta { font-family:var(--mono,monospace); font-size:11px; letter-spacing:.04em; text-transform:uppercase; color:var(--ink-faint); margin-top:3px; }
  .lc-card .lc-arrow { flex:0 0 auto; font-family:var(--mono,monospace); font-size:12px; font-weight:700; color:var(--accent); white-space:nowrap; }
  .learn-foot { text-align:center; font-size:14px; color:var(--ink-soft); padding:8px 0 4px; }
  .lf-link, .lsn-listen { background:none; border:none; color:var(--accent); font:inherit; font-weight:700; cursor:pointer; }
  .lf-link:hover { text-decoration:underline; }

  /* lesson reader */
  .lesson-back { background:none; border:1px solid var(--rule-soft); color:var(--ink-soft); border-radius:5px; padding:6px 12px; font-size:13px; cursor:pointer; margin-bottom:14px; transition:color .15s, border-color .15s; }
  .lesson-back:hover { color:var(--ink); border-color:var(--ink-soft); }
  .lesson-head .lh-no { font-family:var(--mono,monospace); font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-faint); margin-bottom:6px; }
  .lesson-head .lh-done { color:var(--correct); font-weight:700; }
  .lesson-head .lh-meta { font-family:var(--mono,monospace); font-size:12px; color:var(--ink-faint); margin-top:6px; }
  .lesson-obj { background:var(--paper-raise); border:1px solid var(--rule-soft); border-radius:8px; padding:14px 18px; margin:18px 0; }
  .lesson-obj .lo-tag { font-family:var(--mono,monospace); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--accent); }
  .lesson-obj ul { margin:8px 0 0; padding-left:18px; }
  .lesson-obj li { font-size:14px; color:var(--ink-soft); margin:4px 0; }
  .lesson-teach { margin:18px 0; }
  .lesson-teach p { font-size:16.5px; line-height:1.72; color:var(--ink); margin:0 0 14px; max-width: 68ch; }
  .lsn-listen { display:inline-flex; align-items:center; gap:6px; margin-top:2px; font-size:13px; padding:6px 12px; border:1px solid var(--rule-soft); border-radius:20px; }
  .lsn-listen:hover { border-color:var(--accent); }
  .lsn-listen.spk-on { background:var(--accent-fill); color:#fff; border-color:var(--accent-fill); }
  .lesson-facts { background:var(--paper-raise); border:1px solid var(--rule); border-radius:10px; padding:18px 22px; margin:20px 0; }
  .lesson-facts h3 { font-family:var(--serif,Georgia,serif); font-size:17px; margin:0 0 12px; color:var(--ink); }
  .lesson-facts ul { list-style:none; margin:0; padding:0; }
  .lesson-facts li { display:flex; gap:10px; align-items:flex-start; font-size:15px; line-height:1.55; color:var(--ink); padding:7px 0; border-top:1px solid var(--rule-soft); }
  .lesson-facts li:first-child { border-top:none; }
  .kf-dot { flex:0 0 auto; width:8px; height:8px; border-radius:50%; background:var(--accent); margin-top:7px; }
  .kf-cite { color:var(--ink-faint); font-style:normal; font-family:var(--mono,monospace); font-size:12px; }
  .lesson-mnem { background:linear-gradient(180deg, rgba(224,180,80,0.14), transparent); border:1px solid var(--gold-deep); border-left:4px solid var(--gold); border-radius:10px; padding:16px 20px; margin:20px 0; }
  .lesson-mnem .lm-tag { font-family:var(--mono,monospace); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--gold); font-weight:700; margin-bottom:6px; }
  .lesson-mnem p { margin:0; font-size:16px; line-height:1.6; color:var(--ink); }
  .site-sched { margin:6px 0 0; font-size:12.5px; line-height:1.5; color:var(--ink-soft); border-left:3px solid var(--accent); padding-left:9px; }
  .ref-prose { padding-right:34px; }
  .ref-prose h3 { font-family:var(--serif,Georgia,serif); font-size:19px; margin:18px 0 6px; }
  .ref-prose h3:first-child { margin-top:0; }
  .ref-prose h4 { font-size:14px; margin:14px 0 4px; }
  .ref-prose p, .ref-prose li { font-size:14.5px; line-height:1.65; }
  .ref-prose ul { margin:6px 0 10px 18px; }
  .ref-prose table { width:100%; border-collapse:collapse; margin:10px 0; font-size:13.5px; }
  .ref-prose th, .ref-prose td { text-align:left; padding:7px 9px; border-bottom:1px solid var(--rule); vertical-align:top; }
  .bd-heading { font-family:var(--mono,monospace); font-size:9.5px; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-soft); margin:18px 0 8px; text-align:left; }
  .neg { color: var(--accent); font-weight: 800; text-transform: uppercase; letter-spacing: .02em; }
  /* ---- shared scales, so cards stop looking like three different UI kits ---- */
  :root { --radius-sm: 4px; --radius-md: 8px; --radius-lg: 12px; --accent-2: #35618f; --accent-2-deep: #24425f; }
  .action-card, .chart-card, .topic-mastery, .stat, .focus-card, .exam-cd, .board-q, .sort-item,
  .lq-opt, .blitz-card, .lc-card, .learn-banner, .tm-card, .drill-card, .term-drill, .ft-card,
  .test-card, .q-card, .ref-block, .game-wrap { border-radius: var(--radius-md); }
  .nav-btn, .icon-btn, .opt, .btn, .sub-tab, .filter-btn { border-radius: var(--radius-sm); }
  .profile-panel, .lock-box { border-radius: var(--radius-lg); }
  /* one padding scale instead of 14/15/16/18/20/22 */
  .action-card, .drill-card, .focus-card, .term-drill, .test-card { padding: 16px; }
  .q-card { padding: 24px; }
  .stat, .exam-cd, .lc-card { padding: 16px 18px; }
  /* the second Learn CTA, now on palette */
  .ft-card.alt { background: linear-gradient(135deg, var(--accent-2), var(--accent-2-deep));
    box-shadow: 0 8px 22px rgba(36,66,95,.28); }
  /* game and exam start screens used to leave most of the viewport empty */
  .view > .game-wrap:only-of-type, .game-menu-wrap { min-height: 52vh; display: flex; flex-direction: column; justify-content: center; }
  /* the masthead should read as this product, not as a government page */
  .masthead .kicker { order: 2; opacity: .75; font-size: 8.5px; margin-top: 6px; }
  .masthead h1 { order: 1; }
  .masthead { display: flex; flex-direction: column; }
  .masthead .sub { order: 3; }
  .seal { opacity: .85; transform: rotate(-8deg) scale(.86); }
  @media (max-width: 600px){
    .masthead .kicker { display: none; }
    .masthead h1 { font-size: clamp(24px, 7.5vw, 34px); }
  }
  .lesson-check { margin:26px 0 18px; }
  .lesson-check h3 { font-family:var(--serif,Georgia,serif); font-size:20px; margin:0 0 4px; }
  .lesson-check .lc-sub { font-size:14px; color:var(--ink-soft); margin:0 0 16px; }
  .lq-q { background:var(--paper-raise); border:1px solid var(--rule-soft); border-radius:10px; padding:16px 18px; margin-bottom:12px; }
  .lq-stem { display:flex; gap:10px; align-items:flex-start; font-size:15.5px; font-weight:600; color:var(--ink); margin-bottom:12px; line-height:1.5; }
  .lq-n { flex:0 0 auto; width:24px; height:24px; border-radius:50%; background:var(--accent-fill); color:#fff; display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:700; }
  .lq-opts { display:flex; flex-direction:column; gap:8px; }
  .lq-opt { display:flex; align-items:center; gap:10px; text-align:left; background:var(--paper); border:1px solid var(--rule-soft); border-radius:7px; padding:11px 14px; font-size:14.5px; color:var(--ink); cursor:pointer; transition:border-color .12s, background .12s; }
  .lq-opt:not(:disabled):hover { border-color:var(--ink-soft); }
  .lq-letter { flex:0 0 auto; width:22px; height:22px; border-radius:5px; background:var(--rule-soft); color:var(--ink-soft); display:flex; align-items:center; justify-content:center; font-family:var(--mono,monospace); font-size:12px; font-weight:700; }
  .lq-opt.answered { cursor:default; }
  .lq-opt.correct { border-color:var(--correct-bd); background:var(--correct-bg); color:var(--ink); }
  .lq-opt.correct .lq-letter { background:var(--correct-bd); color:#fff; }
  .lq-opt.wrong { border-color:var(--accent); background:var(--wrong-bg,rgba(214,92,92,.12)); }
  .lq-opt.wrong .lq-letter { background:var(--accent); color:#fff; }
  .lq-exp { margin-top:10px; font-size:14px; line-height:1.55; color:var(--ink-soft); border-top:1px dashed var(--rule-soft); padding-top:10px; }
  .lq-exp b { color:var(--ink); }
  .lq-result { margin-top:6px; padding:14px 18px; border-radius:8px; font-size:15px; }
  .lq-result.good { background:var(--correct-bg); border:1px solid var(--correct-bd); color:var(--ink); }
  .lq-result.meh { background:var(--wrong-bg,rgba(214,92,92,.1)); border:1px solid var(--accent); color:var(--ink); }
  .lq-result b { font-family:var(--serif,Georgia,serif); font-size:19px; margin-right:6px; }
  /* Fast Track drill (real bank questions, one at a time) */
  .drill-bar { display:flex; align-items:center; gap:12px; margin:0 0 18px; flex-wrap:wrap; }
  .drill-bar .db-count { font-family:var(--mono,monospace); font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-soft); }
  .drill-bar .db-score { font-family:var(--mono,monospace); font-size:12px; font-weight:700; color:var(--accent); margin-left:auto; }
  .drill-track { flex:1 1 120px; height:6px; border-radius:99px; background:var(--rule-soft); overflow:hidden; min-width:80px; }
  .drill-track i { display:block; height:100%; background:var(--accent-fill); border-radius:99px; transition:width .25s; }
  .drill-card { background:var(--paper-raise); border:1px solid var(--rule); border-radius:10px; padding:20px 20px 18px; }
  .drill-card .dc-topic { font-family:var(--mono,monospace); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--accent); margin:0 0 10px; }
  .drill-card .dc-q { font-family:var(--serif,Georgia,serif); font-size:20px; line-height:1.35; margin:0 0 16px; color:var(--ink); }
  .drill-opts { display:flex; flex-direction:column; gap:8px; }
  .drill-opt { display:flex; align-items:flex-start; gap:12px; text-align:left; width:100%; background:var(--paper); border:1px solid var(--rule); border-radius:8px; padding:12px 14px; cursor:pointer; color:var(--ink); font-size:15px; line-height:1.35; transition:border-color .12s, background .12s; }
  .drill-opt:hover:not(:disabled) { border-color:var(--ink-soft); }
  .drill-opt:disabled { cursor:default; }
  .drill-opt .do-key { flex:0 0 auto; width:26px; height:26px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-family:var(--mono,monospace); font-size:12px; font-weight:700; background:var(--rule-soft); color:var(--ink-soft); }
  .drill-opt.correct { border-color:var(--correct-bd); background:var(--correct-bg); }
  .drill-opt.correct .do-key { background:var(--correct); color:#fff; }
  .drill-opt.wrong { border-color:var(--accent); background:var(--wrong-bg,rgba(214,92,92,.1)); }
  .drill-opt.wrong .do-key { background:var(--accent); color:#fff; }
  .drill-exp { margin-top:14px; padding:14px 16px; border-radius:8px; font-size:14.5px; line-height:1.45; }
  .drill-exp.ok { background:var(--correct-bg); border:1px solid var(--correct-bd); }
  .drill-exp.no { background:var(--wrong-bg,rgba(214,92,92,.1)); border:1px solid var(--accent); }
  .drill-exp .de-v { font-family:var(--mono,monospace); font-size:11px; letter-spacing:.08em; text-transform:uppercase; font-weight:700; display:block; margin-bottom:4px; }
  .drill-exp.ok .de-v { color:var(--correct); }
  .drill-exp.no .de-v { color:var(--accent); }
  .drill-actions { display:flex; gap:10px; margin-top:16px; flex-wrap:wrap; }
  .drill-seal { font-family:var(--mono,monospace); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-faint); margin:8px 0 0; }
  .drill-done { text-align:center; padding:28px 18px; background:var(--paper-raise); border:1px solid var(--rule); border-radius:10px; }
  .drill-done .dd-score { font-family:var(--serif,Georgia,serif); font-size:48px; font-weight:800; line-height:1; margin:8px 0; }
  .drill-done .dd-sub { color:var(--ink-soft); font-size:15px; margin:0 0 18px; }
  .drill-done .dd-weak { text-align:left; max-width:420px; margin:0 auto 18px; padding:12px 14px; background:var(--paper); border-radius:8px; border:1px solid var(--rule-soft); font-size:14px; }
  .drill-done .dd-weak b { display:block; margin-bottom:6px; }
  .ft-card { display:flex; align-items:center; gap:16px; width:100%; text-align:left; background:linear-gradient(135deg, var(--accent-fill), #8a2828); border:none; border-radius:10px; padding:18px 20px; color:#fff; cursor:pointer; margin:0 0 18px; box-shadow:0 8px 22px rgba(176,52,52,.25); transition:transform .15s, box-shadow .15s; }
  .ft-card:hover { transform:translateY(-2px); box-shadow:0 12px 28px rgba(176,52,52,.32); }
  .ft-card .ft-ico { font-size:28px; flex:0 0 auto; }
  .ft-card .ft-body { flex:1; min-width:0; display:flex; flex-direction:column; gap:3px; }
  .ft-card .ft-body b { font-family:var(--serif,Georgia,serif); font-size:20px; font-weight:800; }
  .ft-card .ft-body span { font-size:13.5px; opacity:.92; line-height:1.35; }
  .ft-card .ft-go { font-family:var(--mono,monospace); font-size:12px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; white-space:nowrap; }
  .lesson-nav { display:flex; justify-content:space-between; gap:12px; margin-top:24px; padding-top:18px; border-top:1px solid var(--rule-soft); }
  .ln-btn { background:var(--paper-raise); border:1px solid var(--rule); color:var(--ink); border-radius:6px; padding:11px 16px; font-size:13.5px; cursor:pointer; max-width:48%; transition:border-color .15s, background .15s; }
  .ln-btn:hover { border-color:var(--ink-soft); }
  .ln-btn.primary { background:var(--accent-fill); border-color:var(--accent-fill); color:#fff; font-weight:700; }
  .ln-btn.primary:hover { background:var(--accent-fill-h); }
  .ln-spacer { flex:1; }
  @media (max-width:640px){
    .learn-how { grid-template-columns:repeat(2,1fr); }
    .learn-top { flex-direction:column; text-align:center; }
    .learn-top .lt-copy { align-items:center; }
    .lt-cta { align-self:center; }
    .lc-card .lc-arrow { display:none; }
  }