:root{--bg:#f4f6f9;--bg-wash:radial-gradient(1200px 500px at 50% -10%, #e6edf5 0%, #e6edf500 70%);--card:#fff;--text:#172033;--muted:#5c6678;--accent:#1c4e7d;--accent-strong:#143a5f;--accent-soft:#e8f0f8;--accent-text:#fff;--good:#1a7a3d;--good-soft:#e6f4ea;--bad:#b23520;--bad-soft:#fbeae6;--gold:#a87b1f;--border:#e4e8ee;--ring:#1c4e7d47;--shadow-sm:0 1px 2px #1018280d;--shadow-md:0 1px 2px #1018280d, 0 4px 16px #10182812;--shadow-lg:0 2px 4px #1018280d, 0 12px 28px #1018281c;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0f1319;--bg-wash:radial-gradient(1200px 500px at 50% -10%, #16202e 0%, #16202e00 70%);--card:#1a212c;--text:#e8ecf3;--muted:#949eb0;--accent:#5ea3dd;--accent-strong:#7db8ea;--accent-soft:#1c2a3b;--accent-text:#0c1420;--good:#4bc26e;--good-soft:#16281d;--bad:#ec7b64;--bad-soft:#331d18;--gold:#d4a942;--border:#2a3341;--ring:#5ea3dd59;--shadow-sm:0 1px 2px #00000059;--shadow-md:0 1px 2px #00000059, 0 4px 16px #00000059;--shadow-lg:0 2px 4px #0006, 0 12px 28px #00000073}}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg-wash), var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);background-attachment:fixed;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}#app{flex-direction:column;gap:18px;max-width:560px;min-height:100dvh;margin:0 auto;padding:24px 16px 32px;display:flex}h1{letter-spacing:-.022em;margin:0;font-size:1.65rem;font-weight:750}h2{letter-spacing:-.012em;margin:0;font-size:1.15rem;font-weight:680}p{margin:0;line-height:1.5}button{font:inherit;background:linear-gradient(180deg, var(--accent), var(--accent-strong));color:var(--accent-text);letter-spacing:.01em;cursor:pointer;touch-action:manipulation;min-height:48px;box-shadow:var(--shadow-sm);border:none;border-radius:12px;padding:13px 18px;font-weight:600;transition:filter .15s,transform .1s,box-shadow .15s}@media (prefers-color-scheme:dark){button{background:linear-gradient(180deg, var(--accent-strong), var(--accent))}}button:hover{filter:brightness(1.06)}button:active{filter:brightness(.97);transform:scale(.985)}button:focus-visible,input:focus-visible,select:focus-visible,.card.tappable:focus-visible{box-shadow:0 0 0 3px var(--ring);outline:none}button.secondary{background:var(--card);color:var(--text);border:1px solid var(--border)}button.secondary:hover{filter:none;box-shadow:var(--shadow-md)}button.good{background:linear-gradient(180deg, var(--good), color-mix(in srgb, var(--good) 82%, black));color:#fff}button.bad{background:linear-gradient(180deg, var(--bad), color-mix(in srgb, var(--bad) 82%, black));color:#fff}button.link{box-shadow:none;color:var(--accent);text-underline-offset:3px;background:0 0;min-height:0;padding:6px;font-weight:500;text-decoration:underline}button.link:hover{filter:none;text-decoration-thickness:2px}.topbar{justify-content:space-between;align-items:center;gap:8px;display:flex}.topbar button.secondary{border-radius:999px;min-height:0;padding:8px 16px;font-size:.9rem;font-weight:550}.menu{flex-direction:column;gap:10px;display:flex}.menu button{text-align:left;letter-spacing:-.008em;width:100%;box-shadow:var(--shadow-sm);border-radius:14px;padding:16px 44px 16px 18px;font-size:1.05rem;font-weight:650;transition:transform .15s,box-shadow .15s,border-color .15s;position:relative}.menu button:after{content:"";border-right:2px solid var(--muted);border-top:2px solid var(--muted);opacity:.7;width:8px;height:8px;transition:right .15s;position:absolute;top:50%;right:18px;transform:translateY(-50%)rotate(45deg)}.menu button:hover{box-shadow:var(--shadow-md);border-color:color-mix(in srgb, var(--accent) 30%, var(--border));transform:translateY(-1px)}.menu button:hover:after{right:15px}.menu button:active{transform:scale(.99)}.menu .sub{letter-spacing:0;color:var(--muted);margin-top:3px;font-size:.85rem;font-weight:400;display:block}.card{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow-md);border-radius:18px;flex-direction:column;gap:14px;padding:22px;display:flex}.card.tappable{cursor:pointer;justify-content:center;min-height:40dvh;transition:transform .15s,box-shadow .2s}.card.tappable:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.prompt{letter-spacing:-.014em;font-size:1.35rem;font-weight:680;line-height:1.35}.chip{letter-spacing:.08em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:4px 10px;font-size:.68rem;font-weight:700;display:inline-block}.badge65{color:var(--gold);letter-spacing:.04em;font-size:.72rem;font-weight:700}.answers{flex-direction:column;gap:7px;margin:0;padding-left:22px;display:flex}.answers li{line-height:1.45}.answers li::marker{color:var(--accent)}.hint{color:var(--muted);font-size:.9rem}.progress{color:var(--muted);letter-spacing:.05em;text-transform:uppercase;font-variant-numeric:tabular-nums;font-size:.82rem;font-weight:600}.grade-row{gap:12px;display:flex}.grade-row button{flex:1}input[type=text],textarea{font:inherit;border:1px solid var(--border);background:var(--card);width:100%;color:var(--text);box-shadow:var(--shadow-sm);border-radius:12px;padding:13px 15px;font-size:1.05rem;transition:border-color .15s,box-shadow .15s}input[type=text]:focus-visible,textarea:focus-visible{border-color:var(--accent);box-shadow:0 0 0 3px var(--ring)}input::placeholder,textarea::placeholder{color:var(--muted);opacity:.75}.result-good{color:var(--good);letter-spacing:-.01em;font-weight:750}.result-bad{color:var(--bad);letter-spacing:-.01em;font-weight:750}.stat-bar{background:color-mix(in srgb, var(--border) 60%, var(--bg));border-radius:999px;height:8px;overflow:hidden}.stat-bar>div{background:linear-gradient(90deg, var(--accent-strong), var(--accent));border-radius:999px;height:100%;transition:width .4s}@media (prefers-color-scheme:dark){.stat-bar>div{background:linear-gradient(90deg, var(--accent), var(--accent-strong))}}.stat-row{flex-direction:column;gap:5px;display:flex}.stat-row .label{color:var(--muted);font-variant-numeric:tabular-nums;justify-content:space-between;font-size:.9rem;display:flex}.list{flex-direction:column;gap:8px;display:flex}.list-item{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:12px;justify-content:space-between;align-items:center;gap:10px;padding:13px 15px;display:flex}.banner{background:var(--accent-soft);color:var(--text);border:1px solid color-mix(in srgb, var(--accent) 22%, var(--border));border-left:3px solid var(--accent);box-shadow:var(--shadow-sm);border-radius:12px;padding:14px 16px;font-size:.95rem;line-height:1.5}.banner button{background:var(--accent);color:var(--accent-text);min-height:0;margin-top:10px;padding:8px 14px;font-size:.9rem}label.field{color:var(--muted);flex-direction:column;gap:6px;font-size:.9rem;font-weight:500;display:flex}select{font:inherit;border:1px solid var(--border);background:var(--card);color:var(--text);box-shadow:var(--shadow-sm);border-radius:12px;padding:11px 12px}.spacer{flex:1}@media (prefers-reduced-motion:reduce){*{transition:none!important}}