:root{--background:#080a0f;--surface:#0e1118;--panel:#121722;--panel-strong:#19202d;--red:#f47d98;--crimson:#542b49;--purple:#a99aff;--violet:#cec5ff;--text:#f1f3f8;--muted:#9aa3b5;--line:#c7d3ef1c;--line-strong:#c7d3ef30;--error:#ff929b;--success:#8fe0bf;--font-mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace;--font-display:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box}html,body{width:100%;height:100%;min-height:100%}body{color:var(--text);font-family:var(--font-display);background:#fff;margin:0}button,input,textarea,select{font:inherit}button{color:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.4}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--purple);outline-offset:2px}html{background:#fff}.stage-veil{background:#000;position:fixed;inset:0}
.quiz-page{--quiz-green:#04aa6d;--quiz-green-dark:#059862;--quiz-ink:#1c1c1c;--quiz-grey:#6b7280;--quiz-line:#e2e5e8;--quiz-surface:#fff;--quiz-band:#f4f6f8;background:var(--quiz-surface);min-height:100vh;color:var(--quiz-ink);-webkit-font-smoothing:antialiased;font-family:Segoe UI,Roboto,system-ui,-apple-system,Arial,sans-serif;font-size:15px;line-height:1.6}.quiz-page a{color:var(--quiz-ink);text-decoration:none}.quiz-header{z-index:20;border-bottom:1px solid var(--quiz-line);background:#fff;position:sticky;top:0}.quiz-header-inner{align-items:center;gap:22px;max-width:1160px;min-height:56px;margin:0 auto;padding:0 20px;display:flex}.quiz-brand{letter-spacing:-.01em;align-items:center;gap:9px;font-weight:700;display:inline-flex}.quiz-brand-mark{background:var(--quiz-green);color:#fff;border-radius:4px;place-items:center;width:26px;height:26px;font-size:15px;font-weight:700;display:grid}.quiz-nav{gap:4px;margin-left:auto;font-size:14px;display:flex}.quiz-nav a{color:#3d4752;white-space:nowrap;border-radius:5px;padding:8px 11px}.quiz-nav a:hover{background:var(--quiz-band)}.quiz-nav-active{box-shadow:inset 0 -3px 0 var(--quiz-green);font-weight:700;color:var(--quiz-green)!important;border-radius:0!important}.quiz-hero{background:var(--quiz-band);border-bottom:1px solid var(--quiz-line)}.quiz-hero-inner{max-width:1160px;margin:0 auto;padding:34px 20px 30px}.quiz-crumb{color:var(--quiz-grey);margin:0 0 8px;font-size:12px}.quiz-hero h1{letter-spacing:-.01em;margin:0;font-size:clamp(26px,4vw,34px);line-height:1.25}.quiz-lede{color:#3d4752;max-width:62ch;margin:12px 0 10px}.quiz-meta{color:var(--quiz-grey);margin:0;font-size:12.5px}.quiz-main{max-width:900px;margin:0 auto;padding:26px 20px 60px}.quiz-result{border:1px solid var(--quiz-line);border-left:4px solid var(--quiz-green);background:#f2fbf6;border-radius:6px;margin-bottom:22px;padding:20px 22px}.quiz-result h2{margin:0 0 6px;font-size:20px}.quiz-result p{color:#3d4752;margin:0 0 14px}.quiz-form{gap:16px;display:grid}.quiz-card{border:1px solid var(--quiz-line);background:#fff;border-radius:6px;padding:18px 20px}.quiz-card-correct{background:#f6fdf9;border-color:#b7e4cc}.quiz-card-wrong{background:#fff8f8;border-color:#f0c2c2}.quiz-question{margin:0 0 12px;font-size:16px;font-weight:700;line-height:1.45}.quiz-number{color:var(--quiz-green)}.quiz-options{gap:2px;display:grid}.quiz-option{cursor:pointer;border-radius:5px;align-items:flex-start;gap:10px;padding:9px 10px;font-size:14.5px;display:flex}.quiz-option:hover{background:var(--quiz-band)}.quiz-option input{accent-color:var(--quiz-green);flex:none;margin:4px 0 0}.quiz-option-selected{background:#eaf8f1}.quiz-option-correct .quiz-option-text{color:var(--quiz-green-dark);font-weight:700}.quiz-option input:disabled{cursor:default}.quiz-feedback{margin:10px 0 0;font-size:13px}.quiz-feedback-correct{color:var(--quiz-green-dark)}.quiz-feedback-wrong{color:#b3261e}.quiz-actions{flex-wrap:wrap;align-items:center;gap:14px;padding-top:4px;display:flex}.quiz-button{background:var(--quiz-green);color:#fff;cursor:pointer;border:0;border-radius:5px;padding:11px 22px;font-size:15px;font-weight:700}.quiz-button:hover{background:var(--quiz-green-dark)}.quiz-button:disabled{opacity:.55;cursor:not-allowed}.quiz-progress{color:var(--quiz-grey);font-size:13px}.quiz-footer{border-top:1px solid var(--quiz-line);background:var(--quiz-band)}.quiz-footer-inner{max-width:1160px;color:var(--quiz-grey);flex-wrap:wrap;justify-content:space-between;gap:16px;margin:0 auto;padding:22px 20px;font-size:12.5px;display:flex}.quiz-footer-inner p{margin:0}.quiz-footer-links{gap:16px;display:flex}.quiz-footer-links a{color:#3d4752}@media (max-width:720px){.quiz-nav{display:none}.quiz-hero-inner{padding:26px 18px 24px}.quiz-main{padding:20px 16px 48px}.quiz-card{padding:16px}}