:root {
      --bg: #0f172a;
      --panel: rgba(255, 255, 255, 0.92);
      --panel-strong: #ffffff;
      --text: #111827;
      --muted: #64748b;
      --line: #dbe4f0;
      --primary: #4f46e5;
      --primary-dark: #3730a3;
      --accent: #06b6d4;
      --good: #16a34a;
      --warn: #d97706;
      --bad: #dc2626;
      --soft: #f8fafc;
      --shadow: 0 20px 60px rgba(2, 6, 23, 0.25);
      --radius: 24px;
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(79, 70, 229, 0.50), transparent 34rem),
        radial-gradient(circle at top right, rgba(6, 182, 212, 0.38), transparent 30rem),
        linear-gradient(145deg, #0f172a 0%, #111827 50%, #020617 100%);
    }

    .shell {
      width: min(1160px, calc(100vw - 32px));
      margin: 0 auto;
      padding: 34px 0 52px;
    }

    .app {
      background: var(--panel);
      border: 1px solid rgba(255, 255, 255, 0.55);
      border-radius: 32px;
      box-shadow: var(--shadow);
      overflow: hidden;
      backdrop-filter: blur(16px);
    }

    .hero {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(290px, 0.8fr);
      gap: 28px;
      padding: 36px;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(241, 245, 249, 0.86)),
        radial-gradient(circle at top right, rgba(79, 70, 229, 0.18), transparent 24rem);
      border-bottom: 1px solid var(--line);
    }

    .kicker {
      margin: 0 0 12px;
      text-transform: uppercase;
      letter-spacing: 0.16em;
      font-size: 12px;
      font-weight: 800;
      color: var(--primary);
    }

    .hero-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px 12px;
      margin: 0 0 12px;
    }

    .hero-meta .kicker {
      margin: 0;
    }

    .version-badge {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 5px 10px;
      border: 1px solid rgba(79, 70, 229, 0.2);
      border-radius: 999px;
      background: rgba(79, 70, 229, 0.08);
      color: var(--primary-dark);
      font-size: 12px;
      font-weight: 800;
      line-height: 1;
    }

    .language-switcher {
      display: inline-flex;
      gap: 4px;
      padding: 3px;
      border: 1px solid rgba(79, 70, 229, 0.18);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.72);
    }

    .language-btn {
      min-width: 34px;
      min-height: 24px;
      padding: 4px 8px;
      border-radius: 999px;
      background: transparent;
      color: #475569;
      font-size: 12px;
      box-shadow: none;
    }

    .language-btn[aria-pressed="true"] {
      background: var(--primary);
      color: #ffffff;
    }

    h1 {
      margin: 0;
      line-height: 0.98;
      font-size: clamp(42px, 7vw, 76px);
      letter-spacing: -0.06em;
      color: #020617;
    }

    .subtitle {
      margin: 20px 0 0;
      max-width: 760px;
      font-size: 18px;
      line-height: 1.6;
      color: #334155;
    }

    .source-note {
      margin-top: 22px;
      color: #475569;
      font-size: 13px;
      line-height: 1.6;
    }

    .hero-card {
      align-self: stretch;
      border-radius: var(--radius);
      background: linear-gradient(160deg, #1e1b4b, #0f172a 70%);
      color: white;
      padding: 26px;
      min-height: 280px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }

    .hero-card::before,
    .hero-card::after {
      content: "";
      position: absolute;
      border-radius: 999px;
      filter: blur(1px);
      opacity: 0.64;
      pointer-events: none;
    }

    .hero-card::before {
      width: 220px;
      height: 220px;
      background: rgba(6, 182, 212, 0.26);
      right: -76px;
      top: -78px;
    }

    .hero-card::after {
      width: 160px;
      height: 160px;
      background: rgba(129, 140, 248, 0.28);
      left: -70px;
      bottom: -70px;
    }

    .hero-card > * { position: relative; z-index: 1; }

    .hero-card .big-number {
      font-size: 82px;
      line-height: 1;
      font-weight: 900;
      letter-spacing: -0.08em;
    }

    .hero-card p {
      margin: 0;
      color: #cbd5e1;
      line-height: 1.55;
    }

    .content { padding: 32px 36px 38px; }

    .view { display: none; }
    .view.active { display: block; }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .card {
      background: var(--panel-strong);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 22px;
      box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
    }

    .card h2, .card h3, .card h4 { margin-top: 0; }

    .landing-card {
      min-height: 100%;
    }

    .assessment-carousel {
      overflow: hidden;
    }

    .carousel-heading {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: flex-start;
    }

    .carousel-heading p:last-child {
      margin-bottom: 0;
      max-width: 760px;
    }

    .carousel-controls {
      display: flex;
      gap: 8px;
      flex: 0 0 auto;
    }

    .carousel-toggle {
      min-height: 42px;
      padding: 10px 14px;
      border: 1px solid #c7d2fe;
      background: #eef2ff;
      color: #3730a3;
      font-size: 13px;
      box-shadow: 0 8px 18px rgba(79, 70, 229, 0.08);
    }

    .icon-btn {
      width: 42px;
      height: 42px;
      display: inline-grid;
      place-items: center;
      padding: 0;
      border: 1px solid #cbd5e1;
      background: #ffffff;
      color: #0f172a;
      font-size: 28px;
      line-height: 1;
      box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
    }

    .carousel-frame {
      overflow: hidden;
      margin-top: 14px;
      border-radius: 20px;
      border: 1px solid #cbd5e1;
      background: #dbe4f0;
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.58);
    }

    .mode-selector {
      display: flex;
      margin: 0;
      transition: transform 0.22s ease;
      will-change: transform;
    }

    .mode-card {
      flex: 0 0 100%;
      min-width: 0;
      margin: 0;
      padding: 17px 20px;
      border: 0;
      background: #e2e8f0;
    }

    .mode-card.selected {
      background:
        linear-gradient(135deg, #eef2ff, #dbeafe 58%, #dff7fb),
        linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(6, 182, 212, 0.12));
    }

    .mode-card-top {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: flex-start;
      margin-bottom: 8px;
    }

    .mode-card-top h3 {
      margin: 4px 0 0;
      font-size: 28px;
      line-height: 1.1;
    }

    .mode-card-top > strong {
      flex: 0 0 auto;
      padding: 8px 12px;
      border-radius: 999px;
      background: #eef2ff;
      color: #3730a3;
      font-size: 13px;
      line-height: 1;
      white-space: nowrap;
    }

    .mode-eyebrow {
      display: block;
      color: #0f766e;
      font-size: 12px;
      font-weight: 850;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .mode-card-desc {
      max-width: 860px;
      margin: 0;
      color: #334155;
      font-size: 16px;
      line-height: 1.45;
    }

    .mode-facts {
      display: grid;
      grid-template-columns: minmax(150px, 0.45fr) minmax(0, 1fr);
      gap: 12px;
      margin-top: 12px;
    }

    .mode-facts div {
      padding: 10px 12px;
      border: 1px solid #cbd5e1;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.78);
    }

    .mode-facts span {
      display: block;
      margin-bottom: 6px;
      color: #64748b;
      font-size: 12px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    .mode-facts strong {
      display: block;
      color: #111827;
      font-size: 15px;
      line-height: 1.35;
    }

    .mode-topic-row {
      margin-top: 11px;
    }

    .carousel-footer {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
      margin-top: 14px;
    }

    .carousel-footer p {
      margin: 0;
      text-align: right;
    }

    .carousel-dots {
      display: flex;
      flex: 0 0 auto;
      flex-wrap: nowrap;
      gap: 7px;
      align-items: center;
    }

    .novice-callout {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 16px;
      padding: 14px 16px;
      border: 1px solid rgba(8, 145, 178, 0.28);
      border-radius: 18px;
      background: linear-gradient(135deg, #ecfeff, #e0f2fe);
      box-shadow: 0 10px 24px rgba(8, 145, 178, 0.08);
    }

    .novice-callout h3 { margin: 3px 0 3px; font-size: 19px; }
    .novice-callout p { margin: 0; color: #475569; font-size: 14px; }
    .novice-callout-badge { color: #0e7490; font-size: 11px; font-weight: 850; letter-spacing: .07em; text-transform: uppercase; }
    .novice-callout-button { flex: 0 0 auto; min-height: 40px; padding: 9px 14px; color: #fff; background: #0e7490; box-shadow: 0 8px 18px rgba(14, 116, 144, .18); font-size: 13px; }

    .carousel-dot {
      width: 10px;
      height: 10px;
      padding: 0;
      border-radius: 999px;
      background: #cbd5e1;
      transition: width 0.16s ease, background 0.16s ease;
    }

    .carousel-dot.active {
      width: 28px;
      background: var(--primary);
    }

    .topic-summary {
      display: grid;
      gap: 9px;
      margin-top: 18px;
    }

    .topic-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 14px;
      align-items: center;
      padding: 10px 12px;
      border: 1px solid #e2e8f0;
      border-radius: 14px;
      background: #f8fafc;
      color: #334155;
      font-size: 14px;
    }

    .topic-row strong {
      min-width: 34px;
      text-align: right;
      font-size: 16px;
      color: #111827;
    }

    .topic-total {
      background: #eef2ff;
      border-color: #c7d2fe;
      color: #3730a3;
      font-weight: 800;
    }

    .landing-metrics {
      margin-top: 18px;
    }

    .metric-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #ffffff;
      padding: 18px;
      box-shadow: 0 12px 30px rgba(15, 23, 42, 0.04);
    }

    .metric-card span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 8px;
    }

    .metric-card strong {
      display: block;
      color: #111827;
      font-size: 20px;
      line-height: 1.2;
    }

    h2 {
      font-size: 30px;
      line-height: 1.1;
      letter-spacing: -0.03em;
      margin: 0 0 14px;
    }

    h3 {
      font-size: 22px;
      line-height: 1.25;
      letter-spacing: -0.02em;
      margin: 0 0 12px;
    }

    h4 {
      font-size: 16px;
      margin-bottom: 8px;
    }

    p { line-height: 1.62; }

    .muted { color: var(--muted); }
    .small { font-size: 13px; line-height: 1.55; }

    .pill-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 18px 0 0;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 11px;
      border-radius: 999px;
      background: #eef2ff;
      color: #3730a3;
      font-size: 13px;
      font-weight: 750;
      border: 1px solid #c7d2fe;
    }

    .form-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
      margin: 22px 0 8px;
    }

    .self-assessment-box {
      margin-top: 22px;
      padding-top: 20px;
      border-top: 1px solid var(--line);
    }

    .self-assessment-box h3 { margin-bottom: 6px; }

    .self-assessment-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      margin-top: 14px;
    }

    .field-note {
      display: block;
      margin-top: 6px;
      color: #64748b;
      font-size: 12px;
      line-height: 1.4;
      font-weight: 500;
    }

    label {
      display: block;
      font-size: 13px;
      font-weight: 750;
      color: #334155;
      margin: 0 0 7px;
    }

    input[type="text"],
    input[type="number"] {
      width: 100%;
      border: 1px solid #cbd5e1;
      background: white;
      color: var(--text);
      border-radius: 14px;
      padding: 12px 13px;
      font-size: 15px;
      outline: none;
    }

    input[type="text"]:focus,
    input[type="number"]:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12);
    }

    textarea {
      width: 100%;
      min-height: 210px;
      resize: vertical;
      border: 1px solid #cbd5e1;
      background: white;
      color: var(--text);
      border-radius: 18px;
      padding: 14px;
      font-family: inherit;
      font-size: 15px;
      line-height: 1.55;
      outline: none;
    }

    textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12);
    }

    .task-note {
      margin: 10px 0 0;
      color: #64748b;
      font-size: 13px;
      line-height: 1.5;
    }

    .rubric-preview {
      display: grid;
      gap: 8px;
      margin-top: 12px;
      padding: 12px;
      border-radius: 18px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      color: #475569;
      font-size: 13px;
      line-height: 1.45;
    }

    .rubric-preview strong {
      color: #334155;
    }

    .actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      margin-top: 22px;
    }

    button {
      border: 0;
      border-radius: 999px;
      padding: 12px 18px;
      font-size: 15px;
      font-weight: 800;
      cursor: pointer;
      transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
    }

    button:hover { transform: translateY(-1px); }
    button:active { transform: translateY(0); }

    .btn-primary {
      color: white;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      box-shadow: 0 12px 22px rgba(79, 70, 229, 0.24);
    }

    .btn-secondary {
      color: #0f172a;
      background: #e2e8f0;
    }

    .btn-ghost {
      color: #334155;
      background: white;
      border: 1px solid var(--line);
    }

    .btn-danger {
      color: white;
      background: #be123c;
    }

    .btn-disabled,
    button[disabled] {
      opacity: 0.45;
      cursor: not-allowed;
      transform: none !important;
      box-shadow: none !important;
    }

    .progress-wrap {
      display: grid;
      gap: 10px;
      margin-bottom: 22px;
    }

    .progress-top {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: baseline;
      color: #475569;
      font-size: 14px;
      font-weight: 700;
    }

    .progress-bar {
      height: 12px;
      background: #e2e8f0;
      border-radius: 999px;
      overflow: hidden;
      border: 1px solid #cbd5e1;
    }

    .progress-fill {
      height: 100%;
      width: 0;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      border-radius: inherit;
      transition: width 0.25s ease;
    }

    .question-wrap {
      min-height: 440px;
      display: grid;
      grid-template-columns: minmax(0, 0.82fr) minmax(320px, 0.42fr);
      gap: 22px;
      align-items: start;
    }

    .question-main {
      padding: 26px;
      border-radius: 28px;
      background: white;
      border: 1px solid var(--line);
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      margin-bottom: 14px;
      padding: 7px 10px;
      border-radius: 999px;
      color: #3730a3;
      background: #eef2ff;
      font-size: 12px;
      font-weight: 850;
      letter-spacing: 0.03em;
      text-transform: uppercase;
    }

    .question-title {
      font-size: clamp(24px, 3.2vw, 38px);
      line-height: 1.12;
      letter-spacing: -0.035em;
      margin: 0 0 18px;
    }

    .question-hint {
      margin-top: 0;
      color: #64748b;
      font-size: 15px;
    }

    .options {
      display: grid;
      gap: 8px;
      margin-top: 20px;
    }

    .option {
      display: grid;
      grid-template-columns: 30px minmax(0, 1fr);
      gap: 12px;
      align-items: start;
      border: 1px solid #cbd5e1;
      border-radius: 16px;
      padding: 12px 14px;
      background: #f8fafc;
      cursor: pointer;
      font-weight: 400;
      margin: 0;
      transition: border 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
    }

    .option:hover {
      border-color: #818cf8;
      background: white;
      box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
    }

    .option.selected {
      border-color: var(--primary);
      background: #eef2ff;
      box-shadow: 0 12px 28px rgba(79, 70, 229, 0.12);
    }

    .option input {
      margin-top: 3px;
      accent-color: var(--primary);
      width: 18px;
      height: 18px;
    }

    .option strong {
      display: block;
      margin-bottom: 3px;
      color: #111827;
      font-size: 15px;
    }

    .option span {
      color: #475569;
      line-height: 1.46;
      font-size: 14px;
    }

    .option .option-detail {
      display: block;
      margin-top: 2px;
      color: #64748b;
      font-size: 13px;
      font-weight: 400;
      line-height: 1.4;
    }

    .response-guide {
      margin: -4px 0 14px;
      padding: 10px 12px;
      color: #475569;
      background: #f8fafc;
      border-left: 3px solid #94a3b8;
      border-radius: 0 8px 8px 0;
      font-size: 13px;
      line-height: 1.5;
    }

    .hint-toggle-row {
      display: flex;
      justify-content: flex-end;
      margin-top: 2px;
    }

    .hint-toggle {
      padding: 8px 12px;
      color: #475569;
      background: transparent;
      border: 1px solid #cbd5e1;
      font-size: 12px;
      box-shadow: none;
    }

    .learning-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
    .learning-unit .kicker { margin-bottom: 7px; }
    .learning-unit h3 { margin-bottom: 8px; }

    .comparison-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      margin-top: 16px;
    }

    .comparison-card {
      border: 1px solid #dbe4f0;
      border-radius: 18px;
      background: #f8fafc;
      padding: 15px;
    }

    .comparison-card h4 { margin: 0 0 12px; }

    .comparison-values {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
    }

    .comparison-value {
      min-width: 0;
      border-radius: 14px;
      background: white;
      border: 1px solid #e2e8f0;
      padding: 10px;
    }

    .comparison-value span {
      display: block;
      color: #64748b;
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      font-weight: 800;
    }

    .comparison-value strong {
      display: block;
      margin-top: 3px;
      color: #111827;
      font-size: 25px;
      line-height: 1;
    }

    .gap-line {
      margin: 11px 0 0;
      color: #475569;
      font-size: 12px;
      line-height: 1.45;
    }

    .comparison-value.declared-consistent {
      background: #dcfce7;
      border-color: #86efac;
    }

    .comparison-value.declared-partial {
      background: #fef3c7;
      border-color: #fcd34d;
    }

    .comparison-value.declared-inconsistent {
      background: #fee2e2;
      border-color: #fca5a5;
    }

    .comparison-value .consistency-tag {
      display: block;
      width: 100%;
      max-width: 100%;
      min-height: 30px;
      box-sizing: border-box;
      margin-top: 7px;
      padding: 4px;
      border-radius: 999px;
      font-size: 10px;
      line-height: 1.15;
      font-weight: 850;
      letter-spacing: 0;
      text-align: center;
      text-transform: none;
      white-space: normal;
      overflow-wrap: normal;
      word-break: normal;
      hyphens: none;
      background: rgba(255, 255, 255, 0.72);
      color: #334155;
      border: 1px solid rgba(15, 23, 42, 0.10);
    }

    .consistency-legend {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 12px 0 0;
    }

    .legend-chip {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 6px 9px;
      border-radius: 999px;
      border: 1px solid #dbe4f0;
      background: #f8fafc;
      color: #475569;
      font-size: 12px;
      font-weight: 750;
    }

    .legend-dot {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      border: 1px solid rgba(15, 23, 42, 0.14);
    }

    .legend-dot.green { background: #86efac; }
    .legend-dot.yellow { background: #fcd34d; }
    .legend-dot.red { background: #fca5a5; }

    .bibliography-intro {
      background: linear-gradient(135deg, #eef2ff, #ecfeff);
      border-color: #c7d2fe;
    }

    .bibliography-section {
      margin-top: 18px;
    }

    .bibliography-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
      margin-top: 16px;
    }

    .bibliography-item {
      display: flex;
      flex-direction: column;
      gap: 8px;
      min-height: 170px;
      padding: 18px;
      border-radius: 20px;
      border: 1px solid #dbe4f0;
      background: #f8fafc;
    }

    .bibliography-item h3 {
      margin: 0;
      font-size: 18px;
      line-height: 1.28;
    }

    .bibliography-item p {
      margin: 0;
      color: #475569;
      font-size: 14px;
      line-height: 1.55;
    }

    .bibliography-source {
      color: #64748b;
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .bibliography-link {
      align-self: flex-start;
      margin-top: auto;
      color: #3730a3;
      font-size: 13px;
      line-height: 1.35;
      font-weight: 850;
      text-decoration: none;
      border-bottom: 1px solid #a5b4fc;
    }

    .bibliography-link:hover {
      color: #1e1b4b;
      border-bottom-color: #3730a3;
    }

    .side-help {
      position: sticky;
      top: 18px;
      border-radius: 28px;
      background: #0f172a;
      color: white;
      padding: 22px;
      overflow: hidden;
    }

    .side-help::after {
      content: "";
      position: absolute;
      width: 160px;
      height: 160px;
      border-radius: 999px;
      background: rgba(6, 182, 212, 0.18);
      right: -70px;
      top: -70px;
    }

    .side-help h3, .side-help p, .side-help .mini-list { position: relative; z-index: 1; }
    .side-help p { color: #cbd5e1; margin-bottom: 0; }

    .mini-list {
      display: grid;
      gap: 10px;
      margin-top: 18px;
    }

    .mini-item {
      border-left: 3px solid rgba(129, 140, 248, 0.95);
      padding-left: 12px;
      color: #e5e7eb;
      font-size: 13px;
      line-height: 1.45;
    }

    .score-card {
      position: relative;
      min-height: 166px;
      overflow: hidden;
    }

    .score-card .label {
      margin: 0 0 8px;
      font-size: 13px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: #64748b;
      font-weight: 850;
    }

    .score-card .score {
      font-size: 54px;
      line-height: 1;
      font-weight: 900;
      letter-spacing: -0.07em;
      color: #020617;
    }

    .score-card .score span { font-size: 20px; letter-spacing: -0.02em; color: #64748b; }

    .score-card .desc {
      color: #475569;
      font-size: 14px;
      line-height: 1.5;
      margin: 12px 0 0;
    }

    .profile-band {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
      gap: 18px;
      align-items: stretch;
      margin: 22px 0;
    }

    .profile-card {
      background: linear-gradient(135deg, #111827, #1e1b4b 74%);
      color: white;
      border-radius: var(--radius);
      padding: 26px;
      min-height: 230px;
      overflow: hidden;
      position: relative;
    }

    .profile-card::before {
      content: "";
      position: absolute;
      right: -80px;
      top: -90px;
      width: 230px;
      height: 230px;
      background: rgba(6, 182, 212, 0.22);
      border-radius: 999px;
    }

    .profile-card > * { position: relative; z-index: 1; }

    .profile-title {
      font-size: clamp(32px, 5vw, 56px);
      font-weight: 900;
      letter-spacing: -0.06em;
      margin: 0 0 8px;
    }

    .profile-card p { color: #cbd5e1; }

    .chart-card { padding: 22px; }

    .chart-title-row {
      display: flex;
      justify-content: space-between;
      align-items: start;
      gap: 14px;
      margin-bottom: 8px;
    }

    .chart-title-row p { margin: 0; }

    .svg-box {
      width: 100%;
      min-height: 270px;
      display: grid;
      place-items: center;
    }

    .bar-list {
      display: grid;
      gap: 13px;
      margin-top: 12px;
    }

    .bar-row {
      display: grid;
      grid-template-columns: 150px minmax(0, 1fr) 52px;
      gap: 12px;
      align-items: center;
      font-size: 14px;
      color: #334155;
    }

    .bar-track {
      height: 12px;
      border-radius: 999px;
      background: #e2e8f0;
      overflow: hidden;
      border: 1px solid #cbd5e1;
    }

    .bar-fill {
      height: 100%;
      width: 0;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--accent));
    }

    .analysis-list {
      display: grid;
      gap: 12px;
    }

    .analysis-item {
      padding: 14px;
      border-radius: 18px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      line-height: 1.55;
    }

    .analysis-item strong { display: block; margin-bottom: 4px; }

    .history-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 14px;
      overflow: hidden;
      border-radius: 16px;
    }

    .history-table th, .history-table td {
      padding: 10px 11px;
      border-bottom: 1px solid #e2e8f0;
      text-align: left;
    }

    .history-table th {
      background: #f1f5f9;
      color: #334155;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    .footer-note {
      padding-top: 18px;
      border-top: 1px solid var(--line);
      margin-top: 24px;
      color: #64748b;
      font-size: 12px;
      line-height: 1.55;
    }

    .legal-footer {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 8px 18px;
      padding: 15px 18px 2px;
      color: rgba(226, 232, 240, 0.82);
      font-size: 12px;
      line-height: 1.5;
      text-align: center;
    }

    .legal-footer a {
      color: inherit;
      text-decoration: none;
      border-bottom: 1px solid rgba(226, 232, 240, 0.38);
    }

    .legal-footer a:hover {
      color: #ffffff;
      border-bottom-color: rgba(255, 255, 255, 0.8);
    }

    .toast {
      position: fixed;
      left: 50%;
      bottom: 22px;
      transform: translateX(-50%) translateY(20px);
      background: #111827;
      color: white;
      padding: 11px 14px;
      border-radius: 999px;
      box-shadow: 0 14px 32px rgba(15, 23, 42, 0.25);
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.22s ease, transform 0.22s ease;
      z-index: 30;
      font-size: 14px;
    }

    .toast.show {
      opacity: 1;
      transform: translateX(-50%) translateY(0);
    }

    @media (max-width: 920px) {
      .learning-grid { grid-template-columns: 1fr; }
      .hero, .question-wrap, .profile-band, .grid-2, .grid-3, .grid-4, .form-row, .self-assessment-grid, .comparison-grid, .bibliography-grid {
        grid-template-columns: 1fr;
      }

      .side-help { position: relative; top: auto; }
      .content, .hero { padding: 24px; }
      .bar-row { grid-template-columns: 115px minmax(0, 1fr) 46px; }
      .carousel-heading, .carousel-footer, .mode-card-top {
        flex-direction: column;
        align-items: stretch;
      }
      .novice-callout { flex-direction: column; align-items: stretch; }
      .novice-callout-button { align-self: flex-start; }
      .carousel-controls {
        align-self: flex-start;
      }
      .carousel-footer p {
        text-align: left;
      }
      .mode-facts {
        grid-template-columns: 1fr;
      }
      .mode-card-top > strong {
        align-self: flex-start;
      }
      .mode-card-top h3 {
        font-size: 24px;
      }
    }

    @media print {
      body { background: white; }
      .shell { width: 100%; padding: 0; }
      .app { box-shadow: none; border: 0; border-radius: 0; }
      .hero { padding: 20px 20px 12px; }
      .hero-card, .actions, #introView, #profileView, #assessmentView, .toast { display: none !important; }
      .content { padding: 12px 20px; }
      .card, .profile-card { break-inside: avoid; box-shadow: none; }
    }