:root{--q-correct:#16a34a;--q-correct-bg:#f0fdf4;--q-correct-border:#86efac;--q-wrong:#dc2626;--q-wrong-bg:#fef2f2;--q-wrong-border:#fca5a5;--q-skip:#d97706;--q-skip-bg:#fffbeb;--q-skip-border:#fde68a;--q-accent:#4f46e5;--q-accent-bg:#eef2ff;--radius:10px;--t:.15s ease}@media (prefers-color-scheme:dark){:root{--q-correct:#4ade80;--q-correct-bg:#052e16;--q-correct-border:#166534;--q-wrong:#f87171;--q-wrong-bg:#2d0f0f;--q-wrong-border:#7f1d1d;--q-skip:#fbbf24;--q-skip-bg:#1c1505;--q-skip-border:#78350f;--q-accent:#818cf8;--q-accent-bg:#1e1b4b}}:root[style*="color-scheme: dark"]{--q-correct:#4ade80;--q-correct-bg:#052e16;--q-correct-border:#166534;--q-wrong:#f87171;--q-wrong-bg:#2d0f0f;--q-wrong-border:#7f1d1d;--q-skip:#fbbf24;--q-skip-bg:#1c1505;--q-skip-border:#78350f;--q-accent:#818cf8;--q-accent-bg:#1e1b4b}:root[style*="color-scheme: light"]{--q-correct:#16a34a;--q-correct-bg:#f0fdf4;--q-correct-border:#86efac;--q-wrong:#dc2626;--q-wrong-bg:#fef2f2;--q-wrong-border:#fca5a5;--q-skip:#d97706;--q-skip-bg:#fffbeb;--q-skip-border:#fde68a;--q-accent:#4f46e5;--q-accent-bg:#eef2ff}*,:before,:after{box-sizing:border-box}html,body{overflow-x:clip}body{margin:0}#root{display:block}.menu-page{background:var(--background);min-height:100vh}.menu-header{background:var(--background);border-bottom:1px solid var(--border);box-shadow:var(--shadow-small)}.menu-header-inner{justify-content:space-between;align-items:center;max-width:740px;margin:0 auto;padding:14px 20px;display:flex}.menu-header-right{flex-shrink:0;align-items:center;gap:10px;display:flex}.practice-toggle{cursor:pointer;-webkit-user-select:none;user-select:none;border:1px solid var(--border);color:var(--muted-foreground);transition:color var(--t), border-color var(--t), background var(--t);border-radius:6px;align-items:center;gap:7px;padding:5px 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toast-in;position:fixed;bottom:28px;left:50%;transform:translate(-50%)}@keyframes toast-in{0%{opacity:0;transform:translate(-50%)translateY(6px)}to{opacity:1;transform:translate(-50%)translateY(0)}}@media (width<=480px){.toast{white-space:normal;text-align:center;max-width:calc(100vw - 32px);padding:8px 14px;font-size:12px}}.menu-main{flex-direction:column;gap:36px;max-width:740px;margin:0 auto;padding:32px 20px 60px;display:flex}.menu-section{flex-direction:column;gap:12px;display:flex}.menu-section-title{color:var(--foreground);margin:0;font-size:15px;font-weight:700}.menu-section-sub{color:var(--muted-foreground);margin:0;font-size:13px}.mode-card-full{border-radius:var(--radius);border:2px solid var(--q-accent);background:var(--q-accent-bg);cursor:pointer;text-align:left;width:100%;transition:filter var(--t);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:18px 20px;display:flex}.mode-card-full:hover{filter:brightness(.96)}.mode-card-full 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.25s}.question-card.card-correct{border-color:var(--q-correct-border)}.question-card.card-wrong{border-color:var(--q-wrong-border)}.question-card.card-skip{border-color:var(--q-skip-border)}.question-header{align-items:center;gap:8px;margin-bottom:8px;display:flex}.q-number{color:var(--muted-foreground);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:700}.q-badge{border-radius:20px;padding:2px 7px;font-size:11px;font-weight:600}.badge-correct{background:var(--q-correct-bg);color:var(--q-correct)}.badge-wrong{background:var(--q-wrong-bg);color:var(--q-wrong)}.badge-skip{background:var(--q-skip-bg);color:var(--q-skip)}.question-text{color:var(--foreground);white-space:pre-wrap;margin:0 0 12px;font-family:inherit;font-size:15px;font-weight:500;line-height:1.6}.options{flex-direction:column;gap:7px;display:flex}.option{border:1px solid 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