:root{--bg: #0f0f14;--bg-deep: #0a1220;--surface: #1a1a24;--surface-2: #22222e;--surface-3: #2e2e3e;--border: #55556a;--muted: #8888aa;--dim: #c0c0d8;--text: #f0f0f5;--accent: #6366f1;--accent-2: #818cf8;--good: #22c55e;--bad: #f87171;--warn: #f59e0b;--info: #38bdf8;--radius: 14px;--shell: 900px;color-scheme:dark;font-family:ui-rounded,SF Pro Rounded,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:radial-gradient(1200px 600px at 50% -10%,#16243a 0%,transparent 60%),var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:var(--accent-2)}button{font:inherit;color:inherit;cursor:pointer;border:1px solid var(--border);background:var(--surface-2);border-radius:10px;padding:10px 16px;transition:background .12s ease,border-color .12s ease,transform 80ms ease}button:hover:not(:disabled){background:var(--surface-3)}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);font-weight:600}button.primary:hover:not(:disabled){background:var(--accent-2);border-color:var(--accent-2)}input,select{font:inherit;color:var(--text);background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:10px 12px;width:100%}input:focus,select:focus,button:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}.shell{min-height:100%;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:16px;padding:12px max(16px,env(safe-area-inset-left)) 12px max(16px,env(safe-area-inset-right));background:#0f0f14d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--surface-3)}.brand{display:flex;align-items:center;gap:8px;font-weight:700;letter-spacing:-.01em;text-decoration:none;color:var(--text)}.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}.nav a{text-decoration:none;color:var(--muted);padding:8px 12px;border-radius:10px;font-size:.94rem;display:flex;align-items:center;gap:7px}.nav a:hover{color:var(--text);background:var(--surface-2)}.nav a.active{color:var(--text);background:var(--surface-3)}.count{min-width:20px;padding:1px 6px;border-radius:999px;background:var(--accent);color:#fff;font-size:.72rem;font-weight:700;text-align:center}.count.zero{background:var(--surface-3);color:var(--muted)}.page{flex:1;width:100%;max-width:var(--shell);margin:0 auto;padding:28px max(16px,env(safe-area-inset-left)) 64px max(16px,env(safe-area-inset-right))}h1{font-size:1.6rem;margin:0 0 4px;letter-spacing:-.02em}h2{font-size:1.1rem;margin:32px 0 12px;letter-spacing:-.01em}.sub{color:var(--muted);margin:0 0 24px}.panel{background:var(--surface);border:1px solid var(--surface-3);border-radius:var(--radius);padding:20px}.tiles{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.tile{background:var(--surface);border:1px solid var(--surface-3);border-radius:var(--radius);padding:18px;text-decoration:none;color:inherit;display:block}.tile:hover{border-color:var(--border);background:var(--surface-2)}.tile .n{font-size:2rem;font-weight:700;letter-spacing:-.03em}.tile .k{color:var(--muted);font-size:.86rem;margin-top:2px}.tile .hint{color:var(--muted);font-size:.78rem;margin-top:8px}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.spacer{flex:1}.muted{color:var(--muted)}.small{font-size:.85rem}.notice{border:1px solid var(--surface-3);background:var(--surface);border-radius:var(--radius);padding:16px;color:var(--muted)}.notice.bad{border-color:#7f1d1d;background:#292222;color:#fca5a5}.review-wrap{max-width:620px;margin:0 auto}.progress{height:6px;border-radius:999px;background:var(--surface-3);overflow:hidden;margin-bottom:22px}.progress>i{display:block;height:100%;background:var(--accent);transition:width .2s ease}.card{background:var(--surface);border:1px solid var(--surface-3);border-radius:20px;padding:40px 28px;min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:16px}.card.struggling{border-color:var(--warn)}.badge{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.badge.warn{color:var(--warn)}.prompt{font-size:2rem;font-weight:600;letter-spacing:-.02em;line-height:1.25}.prompt.target{font-size:2.3rem}.divider{width:48px;height:1px;background:var(--surface-3)}.answer{font-size:1.4rem;color:var(--dim);line-height:1.35}.extras{color:var(--muted);font-size:.95rem;line-height:1.6}.grades{display:grid;gap:8px;margin-top:20px}.grades.four{grid-template-columns:repeat(4,1fr)}.grades.one{grid-template-columns:1fr}.grades button{padding:14px 8px;display:grid;gap:3px;justify-items:center}.grades .lbl{font-weight:600}.grades .when{font-size:.74rem;color:var(--muted)}.grades button.again:hover:not(:disabled){border-color:var(--bad)}.grades button.hard:hover:not(:disabled){border-color:var(--warn)}.grades button.good:hover:not(:disabled){border-color:var(--good)}.grades button.easy:hover:not(:disabled){border-color:var(--info)}.kbd{display:inline-block;min-width:18px;padding:1px 5px;border:1px solid var(--border);border-radius:5px;font-size:.7rem;color:var(--muted);font-family:ui-monospace,monospace}.list{display:flex;flex-direction:column;gap:8px}.item{display:flex;align-items:baseline;gap:14px;background:var(--surface);border:1px solid var(--surface-3);border-radius:12px;padding:14px 16px}.item .term{font-weight:600}.item .gloss{color:var(--muted);flex:1}.item .when{color:var(--muted);font-size:.8rem;white-space:nowrap}.item .when.due{color:var(--accent-2)}.chips{display:flex;gap:6px;flex-wrap:wrap}.chip{border:1px solid var(--surface-3);background:var(--surface);border-radius:999px;padding:6px 13px;font-size:.85rem;color:var(--muted)}.chip.on{border-color:var(--accent);background:var(--accent);color:#fff}.fish-grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(132px,1fr))}.fish{background:var(--surface);border:1px solid var(--surface-3);border-radius:12px;padding:14px;text-align:center}.fish .name{font-weight:600;font-size:.92rem}.fish .meta{color:var(--muted);font-size:.76rem;margin-top:4px}.rarity-common{color:var(--muted)}.rarity-uncommon{color:var(--good)}.rarity-rare{color:var(--info)}.rarity-epic{color:var(--accent-2)}.rarity-legendary{color:var(--warn)}.auth{min-height:100%;display:grid;place-items:center;padding:24px}.auth .panel{width:100%;max-width:380px}.auth h1,.auth .sub{text-align:center}.field{display:grid;gap:6px;margin-bottom:14px}.field label{font-size:.82rem;color:var(--muted)}@media(max-width:560px){.prompt{font-size:1.65rem}.prompt.target{font-size:1.9rem}.card{padding:32px 20px;min-height:230px}.grades.four{grid-template-columns:repeat(2,1fr)}.nav a{padding:8px 10px}}