:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--panel-bg:#faf9fc;--border:#e5e4e7;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--correct:#1a9e5c;--correct-bg:#1a9e5c1f;--wrong:#e0433d;--wrong-bg:#e0433d1f;--sans:system-ui, "Segoe UI", Roboto, "Hiragino Sans", "Yu Gothic", sans-serif;font:16px/145% var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--panel-bg:#1c1d24;--border:#2e303a;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--correct:#4ade80;--correct-bg:#4ade801f;--wrong:#f87171;--wrong-bg:#f871711f}}*{box-sizing:border-box}body{margin:0}h1,h2,h3{color:var(--text-h);font-weight:600}button{font:inherit;cursor:pointer}.app-shell{flex-direction:column;min-height:100svh;display:flex}.loading-screen{min-height:100svh;color:var(--text);justify-content:center;align-items:center;display:flex}.app-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.app-header h1{margin:0;font-size:20px}.header-right{align-items:center;gap:16px;font-size:14px;display:flex}main{flex:1;justify-content:center;padding:24px 16px 48px;display:flex}.panel,.auth-card{width:100%;max-width:480px}.auth-card{text-align:center;margin:15vh auto 0}.auth-card .subtitle{color:var(--text);margin-bottom:24px}form{text-align:left;flex-direction:column;gap:8px;display:flex}label{color:var(--text-h);font-size:14px;font-weight:600}input[type=email],input[type=text]{border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:6px;padding:10px 12px;font-size:16px}button.primary,form button[type=submit]{color:#fff;background:var(--accent);border:none;border-radius:6px;margin-top:8px;padding:10px 16px;font-size:16px;font-weight:600}button.primary:disabled,form button[type=submit]:disabled{opacity:.5;cursor:not-allowed}.link-button{color:var(--accent);background:0 0;border:none;padding:4px 0;font-size:14px}.info{color:var(--accent);margin-top:16px;font-size:14px}.error{color:var(--wrong);margin-top:16px;font-size:14px}.domain-list{flex-direction:column;gap:8px;margin:24px 0 0;padding:0;list-style:none;display:flex}.domain-button{border:1px solid var(--border);background:var(--panel-bg);width:100%;color:var(--text-h);text-align:left;border-radius:8px;justify-content:space-between;align-items:center;padding:14px 16px;font-size:15px;display:flex}.domain-button:hover{border-color:var(--accent-border)}.badge{color:var(--accent);background:var(--accent-bg);white-space:nowrap;border-radius:999px;padding:4px 8px;font-size:13px}.badge.muted{color:var(--text);border:1px solid var(--border);background:0 0}.quiz-header{color:var(--text);justify-content:space-between;margin-bottom:8px;font-size:14px;display:flex}.domain-tag{color:var(--accent);background:var(--accent-bg);border-radius:999px;margin-bottom:8px;padding:2px 8px;font-size:12px;display:inline-block}.choices{flex-direction:column;gap:8px;margin:16px 0;display:flex}.choice{text-align:left;border:1px solid var(--border);background:var(--panel-bg);color:var(--text-h);border-radius:8px;padding:12px 14px}.choice.selected{border-color:var(--accent-border);background:var(--accent-bg)}.choice.correct{border-color:var(--correct);background:var(--correct-bg);color:var(--correct)}.choice.wrong{border-color:var(--wrong);background:var(--wrong-bg);color:var(--wrong)}.choice:disabled{cursor:default}.result-box{border:1px solid var(--border);border-radius:8px;margin-top:16px;padding:16px}.result-box.correct{border-color:var(--correct)}.result-box.wrong{border-color:var(--wrong)}.result-title{margin-bottom:8px;font-weight:700}.result-box a{color:var(--accent);margin-top:8px;display:inline-block}.result-box .primary{margin-top:16px;display:block}