:root {
      color-scheme: dark;
      --bg: #0b100f;
      --panel: #111917;
      --panel-2: #151f1c;
      --panel-3: #1b2823;
      --line: rgba(211, 238, 222, .12);
      --line-strong: rgba(211, 238, 222, .21);
      --ink: #f2f5ef;
      --muted: #9baaa2;
      --soft: #c5d0c9;
      --mint: #a5efc5;
      --lime: #d8f58b;
      --amber: #ffc77d;
      --coral: #ff9c8a;
      --green-ink: #062112;
      --shadow: 0 24px 70px rgba(0, 0, 0, .28);
      --radius-xl: 26px;
      --radius-lg: 18px;
      --radius-md: 13px;
      --max: 1180px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-height: 100vh;
      background:
        radial-gradient(ellipse at 82% 0%, rgba(108, 166, 125, .12), transparent 34rem),
        radial-gradient(ellipse at 4% 32%, rgba(72, 115, 94, .08), transparent 32rem),
        var(--bg);
      color: var(--ink);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.5;
      letter-spacing: -.01em;
    }
    button { font: inherit; }
    button:focus-visible, a:focus-visible, input:focus-visible + .checkbox-visual {
      outline: 3px solid var(--lime);
      outline-offset: 3px;
    }
    button:disabled { cursor: not-allowed; opacity: .55; }
    .app-shell { min-height: 100vh; overflow: hidden; }
    .topbar {
      width: min(var(--max), calc(100% - 56px));
      min-height: 82px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--line);
      position: relative;
      z-index: 2;
    }
    .brand {
      display: inline-flex;
      gap: 12px;
      align-items: center;
      text-decoration: none;
      color: var(--ink);
      cursor: pointer;
      border: 0;
      background: transparent;
      padding: 0;
      text-align: left;
    }
    .brand-mark {
      width: 42px;
      height: 42px;
      border: 1px solid rgba(165, 239, 197, .36);
      color: var(--mint);
      background: linear-gradient(145deg, rgba(165,239,197,.14), rgba(165,239,197,.035));
      display: grid;
      place-items: center;
      border-radius: 14px;
      box-shadow: inset 0 0 20px rgba(165,239,197,.04);
    }
    .brand-mark svg { width: 25px; height: 25px; }
    .brand-copy { display: flex; flex-direction: column; gap: 1px; line-height: 1.08; }
    .brand-copy strong { font-size: 12px; letter-spacing: .13em; font-weight: 800; }
    .brand-copy span { font-size: 10px; letter-spacing: .18em; color: var(--muted); font-weight: 700; }
    .top-actions { display: flex; align-items: center; gap: 14px; }
    .safety-chip, .eyebrow, .tiny-label, .case-tag, .status-chip {
      text-transform: uppercase;
      letter-spacing: .12em;
      font-size: 10px;
      font-weight: 800;
    }
    .safety-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #cae8d5;
      border: 1px solid rgba(165, 239, 197, .22);
      background: rgba(165, 239, 197, .055);
      border-radius: 999px;
      padding: 9px 12px;
      white-space: nowrap;
    }
    .safety-dot, .status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 12px rgba(165,239,197,.55); }
    .text-button {
      color: var(--soft);
      border: 0;
      background: transparent;
      cursor: pointer;
      padding: 8px 0;
      font-size: 13px;
      transition: color .15s ease;
    }
    .text-button:hover { color: var(--mint); }

    main { width: min(var(--max), calc(100% - 56px)); margin: 0 auto; }
    .landing { padding: 58px 0 30px; }
    .hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; gap: 62px; align-items: center; }
    .eyebrow { color: var(--mint); display: inline-flex; align-items: center; gap: 10px; margin-bottom: 20px; }
    .eyebrow::before { content: ""; width: 27px; height: 1px; background: var(--mint); opacity: .8; }
    h1, h2, h3, p { margin-top: 0; }
    h1 {
      font-size: clamp(44px, 6vw, 76px);
      line-height: .99;
      letter-spacing: -.065em;
      margin: 0 0 24px;
      font-weight: 760;
      max-width: 680px;
    }
    h1 span { color: var(--mint); }
    .hero-intro { color: #bac6bf; font-size: 17px; line-height: 1.7; max-width: 550px; margin-bottom: 28px; }
    .hero-actions { display: flex; align-items: center; gap: 17px; flex-wrap: wrap; }
    .primary-button, .secondary-button {
      border: 0;
      border-radius: 12px;
      min-height: 49px;
      padding: 0 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 11px;
      font-size: 13px;
      font-weight: 800;
      cursor: pointer;
      transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
    }
    .primary-button { color: var(--green-ink); background: var(--mint); box-shadow: 0 8px 28px rgba(93, 185, 124, .14); }
    .primary-button:hover { transform: translateY(-2px); background: #bcf4d0; box-shadow: 0 12px 32px rgba(93, 185, 124, .22); }
    .primary-button svg, .secondary-button svg { width: 16px; height: 16px; }
    .secondary-button { color: var(--ink); border: 1px solid var(--line-strong); background: rgba(255,255,255,.025); }
    .secondary-button:hover { transform: translateY(-1px); background: rgba(255,255,255,.07); }
    .hero-meta { color: var(--muted); font-size: 12px; }
    .hero-guardrails { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; margin-top: 31px; color: #afbbb4; font-size: 11px; }
    .guardrail { display: inline-flex; align-items: center; gap: 7px; }
    .guardrail svg { width: 14px; height: 14px; color: var(--mint); }

    .visual-stage {
      position: relative;
      min-height: 430px;
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      background:
        linear-gradient(rgba(255,255,255,.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.015) 1px, transparent 1px),
        radial-gradient(circle at 50% 42%, rgba(139, 199, 157, .11), transparent 59%),
        #101715;
      background-size: 32px 32px, 32px 32px, auto, auto;
      overflow: hidden;
      padding: 28px;
      box-shadow: var(--shadow);
      isolation: isolate;
    }
    .visual-stage::before, .visual-stage::after { content: ""; position: absolute; border: 1px solid rgba(165,239,197,.11); border-radius: 50%; z-index: -1; }
    .visual-stage::before { width: 350px; height: 350px; right: -36px; top: 48px; }
    .visual-stage::after { width: 255px; height: 255px; right: 12px; top: 96px; }
    .stage-topline { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .13em; font-weight: 800; }
    .stage-topline span:last-child { color: var(--mint); }
    .orbit { position: absolute; right: 65px; top: 90px; width: 215px; height: 215px; border: 1px solid rgba(165,239,197,.18); border-radius: 50%; animation: slow-spin 26s linear infinite; }
    .orbit::before, .orbit::after { content: ""; position: absolute; border-radius: 50%; border: 1px dashed rgba(165,239,197,.19); inset: 24px; transform: rotate(48deg) scaleX(.76); }
    .orbit::after { inset: 52px; transform: rotate(-32deg) scaleX(.65); }
    .orbit-core { position: absolute; inset: 0; display: grid; place-items: center; animation: slow-spin 26s linear infinite reverse; }
    .core-glow { width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center; color: var(--green-ink); background: radial-gradient(circle at 40% 32%, #dcffd7, #94eab5 55%, #5aa979); box-shadow: 0 0 40px rgba(165,239,197,.35), 0 0 100px rgba(165,239,197,.15); }
    .core-glow svg { width: 34px; height: 34px; }
    .orbit-node { position: absolute; width: 12px; height: 12px; background: var(--lime); border: 3px solid #24392e; border-radius: 50%; box-shadow: 0 0 18px rgba(216,245,139,.58); }
    .orbit-node.one { top: 24px; left: 107px; }
    .orbit-node.two { right: 18px; top: 125px; width: 9px; height: 9px; background: var(--mint); }
    .orbit-node.three { left: 42px; bottom: 25px; width: 8px; height: 8px; background: #fff0ba; }
    @keyframes slow-spin { to { transform: rotate(360deg); } }
    .mock-post {
      position: absolute;
      left: 28px;
      bottom: 28px;
      width: min(320px, calc(100% - 56px));
      background: rgba(12, 18, 16, .91);
      border: 1px solid rgba(211,238,222,.17);
      border-radius: 17px;
      padding: 17px;
      box-shadow: 0 18px 45px rgba(0,0,0,.31);
      backdrop-filter: blur(10px);
    }
    .mock-author { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
    .avatar {
      display: grid; place-items: center;
      width: 32px; height: 32px; border-radius: 11px;
      background: #253a2e; color: var(--mint); font-size: 15px;
    }
    .mock-author strong { font-size: 11px; display: block; }
    .mock-author span { font-size: 10px; color: var(--muted); }
    .mock-label { margin-left: auto; color: var(--amber); border: 1px solid rgba(255,199,125,.24); padding: 4px 7px; border-radius: 999px; font-size: 8px; font-weight: 800; letter-spacing: .1em; }
    .mock-lines { display: grid; gap: 8px; }
    .mock-lines div { height: 7px; border-radius: 8px; background: rgba(214,230,220,.13); }
    .mock-lines div:nth-child(1) { width: 88%; background: rgba(255,199,125,.56); }
    .mock-lines div:nth-child(2) { width: 96%; }
    .mock-lines div:nth-child(3) { width: 75%; }
    .mock-foot { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 9px; margin-top: 15px; }
    .mock-foot b { color: var(--mint); font-weight: 700; }
    .stage-caption { position: absolute; right: 24px; bottom: 25px; color: #a8b7ae; font-size: 10px; text-align: right; max-width: 140px; }
    .stage-caption strong { color: var(--ink); display: block; font-size: 12px; margin-bottom: 2px; }
    .stage-stamp { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line); padding: 7px 10px; border-radius: 999px; background: rgba(8,13,11,.55); font-size: 9px; color: var(--soft); margin-top: 14px; }

    .how-section { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 59px; padding: 33px 0 36px; }
    .how-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 23px; }
    .tiny-label { color: var(--mint); display: block; margin-bottom: 8px; }
    .how-head h2 { font-size: 23px; letter-spacing: -.045em; margin: 0; }
    .how-head p { color: var(--muted); margin: 0; max-width: 370px; font-size: 12px; }
    .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .step-card { padding: 19px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.018); min-height: 120px; }
    .step-number { display: block; color: var(--mint); font-size: 10px; font-weight: 900; letter-spacing: .14em; margin-bottom: 12px; }
    .step-card strong { display: block; font-size: 14px; margin-bottom: 5px; }
    .step-card p { color: var(--muted); font-size: 11px; margin: 0; max-width: 300px; line-height: 1.55; }
    .landing-footer { padding: 19px 0 5px; display: flex; justify-content: space-between; gap: 20px; align-items: center; color: #819088; font-size: 10px; }
    .landing-footer strong { color: #bdcbc2; font-weight: 650; }
    .leaderboard-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 42px; align-items: center; padding: 34px 0; border-bottom: 1px solid var(--line); }
    .leaderboard-copy h2 { font-size: clamp(25px, 3vw, 34px); letter-spacing: -.055em; line-height: 1.05; margin: 0 0 11px; }
    .leaderboard-copy > p { color: var(--muted); font-size: 12px; line-height: 1.65; max-width: 365px; margin: 0 0 16px; }
    .board-boundary { max-width: 390px; border: 1px solid var(--line); background: rgba(255,255,255,.018); color: #9eada4; border-radius: 11px; padding: 11px 12px; display: flex; align-items: flex-start; gap: 8px; font-size: 10px; line-height: 1.55; }
    .board-boundary .status-dot { flex: 0 0 auto; margin-top: 4px; }
    .board-boundary strong { color: var(--soft); }
    .leaderboard-card { border: 1px solid var(--line); background: linear-gradient(135deg, rgba(165,239,197,.035), transparent 60%), var(--panel); border-radius: 17px; padding: 17px; }
    .leaderboard-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
    .leaderboard-heading .tiny-label { font-size: 8px; margin-bottom: 4px; }
    .leaderboard-heading strong { display: block; font-size: 13px; }
    .local-only { color: var(--mint); border: 1px solid rgba(165,239,197,.22); border-radius: 999px; padding: 5px 7px; font-size: 8px; letter-spacing: .1em; font-weight: 850; white-space: nowrap; }
    .leaderboard-list { display: grid; gap: 7px; padding-top: 10px; }
    .board-row { min-height: 37px; display: grid; grid-template-columns: 28px minmax(0,1fr) auto auto; gap: 10px; align-items: center; padding: 6px 9px; border: 1px solid transparent; border-radius: 9px; background: rgba(255,255,255,.018); }
    .board-rank { color: var(--muted); font-size: 10px; font-weight: 800; }
    .board-name { color: var(--ink); font-size: 11px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .board-score { color: var(--mint); font-size: 11px; font-weight: 850; }
    .board-date { color: #7f8d85; font-size: 9px; }
    .board-empty { color: var(--muted); border: 1px dashed var(--line-strong); border-radius: 10px; padding: 15px; text-align: center; font-size: 10px; line-height: 1.5; }

    /* Training room */
    .lab { padding: 29px 0 58px; }
    .lab-toolbar { display: grid; grid-template-columns: 1fr minmax(180px, 330px) 1fr; align-items: center; gap: 20px; margin-bottom: 27px; }
    .back-button { display: inline-flex; gap: 8px; align-items: center; border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; justify-self: start; padding: 8px 0; }
    .back-button:hover { color: var(--mint); }
    .back-button svg { width: 15px; height: 15px; }
    .progress-wrap { display: grid; grid-template-columns: 1fr auto; gap: 5px 12px; align-items: center; }
    .progress-meta { display: flex; justify-content: space-between; grid-column: 1 / -1; color: var(--muted); font-size: 10px; }
    .progress-meta strong { color: var(--soft); font-weight: 700; }
    .progress-track { height: 5px; border-radius: 9px; background: rgba(255,255,255,.09); overflow: hidden; }
    .progress-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--mint), var(--lime)); width: 0%; transition: width .3s ease; }
    .progress-fraction { font-size: 10px; color: var(--mint); font-weight: 800; }
    .score-pill { justify-self: end; display: inline-flex; align-items: center; gap: 8px; padding: 8px 11px; border-radius: 999px; border: 1px solid var(--line); color: var(--soft); font-size: 10px; letter-spacing: .08em; font-weight: 800; }
    .score-pill svg { width: 15px; height: 15px; color: var(--lime); }
    .lab-kicker { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
    .case-tag { color: var(--mint); }
    .fiction-tag { color: #c4cec7; border: 1px solid var(--line-strong); border-radius: 999px; padding: 4px 8px; font-size: 8px; letter-spacing: .1em; }
    .lab-grid { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 16px; align-items: start; }
    .case-panel, .coach-panel { border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(160deg, rgba(255,255,255,.025), transparent 30%), var(--panel); }
    .case-panel { padding: clamp(20px, 3vw, 34px); box-shadow: var(--shadow); }
    .case-title-row { display: flex; align-items: flex-start; gap: 15px; margin-bottom: 9px; }
    .case-icon { width: 48px; height: 48px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid rgba(165,239,197,.22); background: rgba(165,239,197,.07); border-radius: 15px; color: var(--mint); }
    .case-icon svg { width: 23px; height: 23px; }
    .case-title-row h2 { margin: 0 0 4px; font-size: clamp(25px, 3vw, 36px); line-height: 1.06; letter-spacing: -.055em; }
    .case-title-row p { margin: 0; color: var(--muted); font-size: 11px; }
    .case-brief { color: #bbc8c0; font-size: 13px; line-height: 1.68; max-width: 720px; margin: 19px 0 19px; }
    .case-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; background: rgba(0,0,0,.14); border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 26px; }
    .case-strip > div { padding: 0 10px; border-right: 1px solid var(--line); }
    .case-strip > div:first-child { padding-left: 4px; }
    .case-strip > div:last-child { border: 0; }
    .case-strip span { display: block; color: var(--muted); font-size: 9px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 3px; }
    .case-strip strong { display: block; color: var(--ink); font-size: 11px; font-weight: 750; }
    .evidence-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 15px; margin: 0 0 12px; }
    .evidence-heading h3 { font-size: 14px; margin: 0; letter-spacing: -.02em; }
    .evidence-heading span { font-size: 10px; color: var(--muted); }
    .evidence-list { display: grid; gap: 9px; }
    .evidence-card {
      position: relative;
      display: grid;
      grid-template-columns: 19px minmax(0, 1fr) auto;
      gap: 12px;
      align-items: start;
      padding: 15px 15px 15px 14px;
      border: 1px solid var(--line);
      background: rgba(0,0,0,.15);
      border-radius: 12px;
      cursor: pointer;
      transition: border-color .16s, background .16s, transform .16s;
    }
    .evidence-card:hover { border-color: rgba(165,239,197,.37); background: rgba(165,239,197,.025); transform: translateY(-1px); }
    .evidence-card.is-selected { border-color: rgba(165,239,197,.55); background: rgba(165,239,197,.065); }
    .evidence-card.is-correct { border-color: rgba(165,239,197,.55); background: rgba(165,239,197,.055); cursor: default; }
    .evidence-card.is-missed { border-color: rgba(255,199,125,.45); background: rgba(255,199,125,.045); cursor: default; }
    .evidence-card.is-extra { border-color: rgba(255,156,138,.35); background: rgba(255,156,138,.035); cursor: default; }
    .evidence-card.is-neutral { cursor: default; }
    .evidence-card input { position: absolute; opacity: 0; width: 1px; height: 1px; }
    .checkbox-visual { width: 18px; height: 18px; border: 1px solid rgba(197,208,201,.38); border-radius: 5px; display: grid; place-items: center; color: var(--green-ink); margin-top: 1px; background: transparent; }
    .checkbox-visual svg { width: 12px; height: 12px; opacity: 0; }
    .evidence-card input:checked + .checkbox-visual { background: var(--mint); border-color: var(--mint); }
    .evidence-card input:checked + .checkbox-visual svg { opacity: 1; }
    .evidence-card input:disabled + .checkbox-visual { opacity: .72; }
    .evidence-copy { display: block; }
    .evidence-copy strong { display: block; color: var(--ink); font-size: 12px; margin: 0 0 4px; }
    .evidence-copy span { color: #aebbb3; font-size: 11px; line-height: 1.52; display: block; }
    .ev-status { color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 4px 7px; font-size: 8px; letter-spacing: .08em; font-weight: 800; text-transform: uppercase; white-space: nowrap; margin-top: 1px; }
    .is-correct .ev-status { color: var(--mint); border-color: rgba(165,239,197,.32); }
    .is-missed .ev-status { color: var(--amber); border-color: rgba(255,199,125,.3); }
    .is-extra .ev-status { color: var(--coral); border-color: rgba(255,156,138,.3); }
    .evidence-feedback { grid-column: 2 / -1; color: #d3ded6; font-size: 11px; line-height: 1.58; border-top: 1px solid var(--line); margin-top: 2px; padding-top: 10px; }
    .evidence-feedback b { color: var(--mint); }
    .is-missed .evidence-feedback b { color: var(--amber); }
    .is-extra .evidence-feedback b { color: var(--coral); }
    .case-actions { display: flex; justify-content: space-between; align-items: center; gap: 14px; border-top: 1px solid var(--line); margin-top: 18px; padding-top: 17px; }
    .selection-state { color: var(--muted); font-size: 10px; }
    .selection-state strong { color: var(--soft); }
    .action-buttons { display: flex; gap: 9px; align-items: center; }
    .action-buttons .primary-button { min-height: 42px; padding: 0 15px; font-size: 11px; }
    .quiet-button { min-height: 40px; padding: 0 13px; color: var(--soft); background: transparent; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; font-size: 11px; font-weight: 750; }
    .quiet-button:hover { border-color: var(--line-strong); background: rgba(255,255,255,.035); }
    .feedback-summary { margin-top: 18px; border-radius: 14px; border: 1px solid rgba(165,239,197,.23); background: linear-gradient(120deg, rgba(165,239,197,.08), rgba(165,239,197,.025)); padding: 17px; animation: rise-in .25s ease both; }
    .feedback-summary.needs-work { border-color: rgba(255,199,125,.25); background: linear-gradient(120deg, rgba(255,199,125,.075), rgba(255,199,125,.02)); }
    .feedback-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
    .feedback-top h3 { margin: 0 0 4px; font-size: 15px; }
    .feedback-top p { margin: 0; color: var(--soft); font-size: 11px; line-height: 1.55; }
    .score-number { font-size: 23px; line-height: 1; letter-spacing: -.06em; font-weight: 800; color: var(--mint); white-space: nowrap; }
    .needs-work .score-number { color: var(--amber); }
    .score-number small { display: block; color: var(--muted); font-size: 8px; letter-spacing: .1em; text-align: right; margin-top: 4px; }
    .next-step { margin-top: 13px; padding-top: 12px; border-top: 1px solid var(--line); color: #bdcbc2; font-size: 11px; line-height: 1.62; }
    .next-step strong { color: var(--ink); }

    .coach-panel { position: sticky; top: 18px; padding: 20px; }
    .coach-heading { display: flex; align-items: center; gap: 9px; margin-bottom: 15px; }
    .coach-icon { width: 31px; height: 31px; border-radius: 10px; display: grid; place-items: center; background: rgba(216,245,139,.11); color: var(--lime); }
    .coach-icon svg { width: 16px; height: 16px; }
    .coach-heading strong { font-size: 12px; }
    .coach-panel h3 { font-size: 12px; margin: 0 0 8px; }
    .coach-panel > p { font-size: 10px; color: var(--muted); line-height: 1.58; margin-bottom: 16px; }
    .question-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
    .question-list li { display: grid; grid-template-columns: 20px 1fr; gap: 8px; align-items: start; color: #c1cdc5; font-size: 10px; line-height: 1.48; }
    .question-list li span:first-child { color: var(--mint); font-size: 10px; font-weight: 900; }
    .not-verdict { border-top: 1px solid var(--line); margin-top: 19px; padding-top: 14px; color: #aab7af; font-size: 10px; line-height: 1.55; }
    .not-verdict strong { color: var(--amber); display: block; font-size: 9px; letter-spacing: .1em; margin-bottom: 5px; }
    .lab-footer { border-top: 1px solid var(--line); margin-top: 20px; padding-top: 14px; display: flex; justify-content: space-between; align-items: center; gap: 18px; color: #819088; font-size: 9px; }
    .lab-footer span:last-child { text-align: right; }

    /* Completion screen */
    .complete-wrap { max-width: 760px; margin: 32px auto 70px; text-align: center; }
    .complete-icon { width: 76px; height: 76px; display: grid; place-items: center; margin: 0 auto 20px; border-radius: 25px; color: var(--green-ink); background: radial-gradient(circle at 35% 25%, #dcffd7, #97eab5 68%, #66bb86); box-shadow: 0 0 60px rgba(165,239,197,.19); }
    .complete-icon svg { width: 34px; height: 34px; }
    .complete-wrap h2 { font-size: clamp(34px, 5vw, 53px); letter-spacing: -.06em; margin: 0 0 10px; }
    .complete-wrap > p { color: var(--muted); font-size: 14px; max-width: 530px; margin: 0 auto 25px; }
    .complete-score { border: 1px solid var(--line); background: rgba(255,255,255,.025); border-radius: 19px; padding: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; text-align: left; }
    .complete-score .big-score { color: var(--mint); font-size: 37px; line-height: 1; font-weight: 800; letter-spacing: -.07em; }
    .complete-score .big-score small { display: block; color: var(--muted); font-size: 9px; letter-spacing: .13em; margin-top: 7px; }
    .badge-earned { justify-self: end; text-align: right; }
    .badge-earned strong { color: var(--lime); font-size: 12px; display: block; }
    .badge-earned span { color: var(--muted); font-size: 10px; }
    .complete-note { color: var(--soft); font-size: 11px; line-height: 1.7; background: rgba(165,239,197,.055); border: 1px solid rgba(165,239,197,.15); border-radius: 13px; padding: 14px 16px; text-align: left; margin: 13px 0 19px; }
    .complete-actions { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
    .score-save-panel { text-align: left; border: 1px solid var(--line); background: rgba(255,255,255,.025); border-radius: 16px; padding: 16px; margin: 13px 0 19px; }
    .score-save-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
    .score-save-top .tiny-label { font-size: 8px; margin-bottom: 4px; }
    .score-save-top h3 { font-size: 14px; margin: 0; }
    .score-save-panel > p { color: var(--muted); font-size: 10px; line-height: 1.55; margin: 8px 0 12px; }
    .score-form label { display: block; color: var(--muted); font-size: 8px; letter-spacing: .12em; font-weight: 800; margin-bottom: 5px; }
    .score-form-row { display: flex; gap: 8px; }
    .score-form input { min-width: 0; flex: 1; border: 1px solid var(--line-strong); border-radius: 9px; background: rgba(0,0,0,.22); color: var(--ink); padding: 0 12px; font: inherit; font-size: 11px; outline: none; }
    .score-form input:focus { border-color: var(--mint); }
    .score-form .primary-button { min-height: 39px; font-size: 10px; padding: 0 12px; }
    .score-save-panel .leaderboard-list { margin-top: 12px; border-top: 1px solid var(--line); }
    .score-save-panel .board-row { grid-template-columns: 25px minmax(0,1fr) auto auto; }
    .copy-status { color: var(--mint); min-height: 18px; font-size: 10px; margin-top: 9px; }

    .hidden { display: none !important; }
    .modal-backdrop { position: fixed; inset: 0; z-index: 10; display: grid; place-items: center; padding: 22px; background: rgba(0,0,0,.72); backdrop-filter: blur(8px); }
    .modal { width: min(500px, 100%); border: 1px solid var(--line-strong); border-radius: 20px; background: #121a17; padding: 25px; box-shadow: 0 30px 100px rgba(0,0,0,.5); }
    .modal-top { display: flex; justify-content: space-between; align-items: start; gap: 20px; }
    .modal h2 { margin: 0 0 8px; font-size: 23px; letter-spacing: -.05em; }
    .modal p, .modal li { color: #b4c1b9; font-size: 12px; line-height: 1.65; }
    .modal ul { padding-left: 18px; margin: 11px 0 19px; }
    .close-button { border: 1px solid var(--line); color: var(--soft); background: rgba(255,255,255,.04); border-radius: 9px; width: 32px; height: 32px; cursor: pointer; font-size: 18px; line-height: 1; }
    .close-button:hover { color: var(--ink); background: rgba(255,255,255,.1); }
    @keyframes rise-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

    @media (max-width: 920px) {
      .hero-grid { gap: 34px; grid-template-columns: 1fr .88fr; }
      .visual-stage { min-height: 390px; padding: 22px; }
      .orbit { right: 35px; width: 190px; height: 190px; }
      .orbit-node.one { left: 95px; }
      .mock-post { left: 20px; bottom: 20px; width: min(300px, calc(100% - 40px)); }
      .stage-caption { right: 18px; bottom: 20px; max-width: 110px; }
      .lab-grid { grid-template-columns: minmax(0, 1fr) 250px; }
      .coach-panel { padding: 17px; }
    }
    @media (max-width: 760px) {
      .topbar, main { width: min(100% - 36px, var(--max)); }
      .topbar { min-height: 70px; }
      .top-actions { gap: 9px; }
      .safety-chip { font-size: 8px; padding: 8px 9px; letter-spacing: .08em; }
      .text-button { font-size: 11px; }
      .landing { padding-top: 38px; }
      .hero-grid { grid-template-columns: 1fr; gap: 32px; }
      h1 { max-width: 600px; font-size: clamp(46px, 11vw, 68px); }
      .hero-intro { font-size: 15px; }
      .visual-stage { min-height: 360px; }
      .orbit { right: 8%; top: 60px; }
      .stage-caption { right: 24px; }
      .how-section { margin-top: 38px; }
      .how-head { align-items: flex-start; flex-direction: column; gap: 10px; }
      .steps { grid-template-columns: 1fr; }
      .leaderboard-section { grid-template-columns: 1fr; gap: 19px; padding: 26px 0; }
      .step-card { min-height: auto; }
      .landing-footer { align-items: flex-start; flex-direction: column; gap: 8px; }
      .lab-toolbar { grid-template-columns: 1fr auto; gap: 12px; }
      .progress-wrap { grid-row: 2; grid-column: 1 / -1; }
      .score-pill { grid-column: 2; grid-row: 1; }
      .back-button { grid-column: 1; grid-row: 1; }
      .lab-grid { grid-template-columns: 1fr; }
      .coach-panel { position: static; order: -1; }
      .question-list { grid-template-columns: repeat(3, 1fr); gap: 8px; }
      .question-list li { font-size: 9px; }
      .coach-panel > p { margin-bottom: 11px; }
      .not-verdict { margin-top: 12px; padding-top: 11px; }
    }
    @media (max-width: 520px) {
      .topbar, main { width: calc(100% - 28px); }
      .brand-mark { width: 37px; height: 37px; border-radius: 12px; }
      .brand-copy strong { font-size: 10px; }
      .brand-copy span { font-size: 8px; }
      .safety-chip { max-width: 128px; white-space: normal; line-height: 1.25; }
      .safety-dot { flex: 0 0 auto; }
      .top-actions { gap: 7px; }
      .text-button { max-width: 56px; line-height: 1.15; text-align: right; }
      .hero-actions { align-items: flex-start; flex-direction: column; gap: 11px; }
      .hero-guardrails { gap: 12px; }
      .visual-stage { min-height: 335px; padding: 16px; }
      .orbit { width: 170px; height: 170px; right: 4%; top: 59px; }
      .orbit-node.one { left: 81px; }
      .core-glow { width: 65px; height: 65px; }
      .mock-post { width: calc(100% - 32px); left: 16px; bottom: 16px; padding: 14px; }
      .stage-caption { display: none; }
      .how-section { padding-top: 25px; }
      .lab { padding-top: 20px; }
      .case-panel { padding: 17px 14px; }
      .case-title-row { gap: 10px; }
      .case-icon { width: 41px; height: 41px; border-radius: 12px; }
      .case-title-row h2 { font-size: 27px; }
      .case-brief { font-size: 12px; }
      .case-strip { padding: 10px 7px; gap: 4px; }
      .case-strip > div { padding: 0 6px; }
      .case-strip span { font-size: 8px; }
      .case-strip strong { font-size: 9px; }
      .evidence-heading { display: block; }
      .evidence-heading span { display: block; margin-top: 4px; }
      .evidence-card { grid-template-columns: 17px minmax(0,1fr); gap: 9px; padding: 12px 10px; }
      .ev-status { grid-column: 2; justify-self: start; grid-row: 2; margin-top: 5px; }
      .evidence-feedback { grid-column: 2; }
      .evidence-copy strong { font-size: 11px; }
      .evidence-copy span { font-size: 10px; }
      .case-actions { flex-direction: column; align-items: stretch; }
      .selection-state { text-align: left; }
      .action-buttons { justify-content: flex-end; }
      .question-list { grid-template-columns: 1fr; }
      .question-list li { font-size: 10px; }
      .lab-footer { flex-direction: column; align-items: flex-start; gap: 5px; }
      .lab-footer span:last-child { text-align: left; }
      .complete-score { grid-template-columns: 1fr; }
      .board-row { grid-template-columns: 22px minmax(0,1fr) auto; }
      .board-date { display: none; }
      .badge-earned { justify-self: start; text-align: left; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    }