:root{--bg: #f3f4f0;--panel: #ffffff;--ink: #181c1a;--ink-dim: #687069;--line: rgba(24, 28, 26, .12);--line-bright: rgba(24, 28, 26, .18);--green: #0d8f48;--green-hi: #14a356;--amber: #b8690a;--amber-hi: #e2960f;--red: #d23a33;--blue: #2f6fd0;--font-ui: "Overpass", system-ui, sans-serif;--font-mono: "Overpass Mono", ui-monospace, monospace;--ease: cubic-bezier(.22, .61, .36, 1)}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(120% 80% at 50% -10%,rgba(13,143,72,.07),transparent 55%),radial-gradient(100% 60% at 50% 112%,rgba(184,105,10,.05),transparent 60%),var(--bg);color:var(--ink);font-family:var(--font-ui);font-size:17px;line-height:1.5;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;overscroll-behavior:none}.grain{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;pointer-events:none;opacity:.04;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}#app{position:relative;z-index:2;display:flex;flex-direction:column;min-height:100svh;padding:env(safe-area-inset-top) env(safe-area-inset-right) 0 env(safe-area-inset-left)}.hud{display:flex;flex-direction:column;gap:9px;padding:14px 18px 12px}.hud-row{display:flex;align-items:baseline;justify-content:space-between}.brand{font-family:var(--font-mono);font-weight:700;font-size:12px;letter-spacing:.32em;color:var(--ink-dim);padding-right:.32em}.meter{display:flex;align-items:baseline;gap:6px}.meter.right{flex-direction:row-reverse}.meter .num{font-family:var(--font-mono);font-weight:700;font-size:22px;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}.meter 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.card{font-size:1.3rem!important;line-height:1.55!important;text-align:center}.signpanel .card img{max-width:100%;height:auto}.signpanel .card .cloze{color:var(--amber)!important;font-weight:700}.signpanel .card hr{border:0;height:0;border-top:2px dashed var(--amber-hi);width:58%;margin:22px auto}button{border:0;border-radius:16px;font-family:var(--font-ui);color:#fff;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:transform .08s var(--ease),filter .15s var(--ease)}button:active{transform:translateY(1px) scale(.99);filter:brightness(1.05)}.showbar{display:flex;justify-content:center;padding:12px 16px clamp(44px,13vh,150px)}.primary{flex:0 0 auto;min-width:190px;min-height:52px;padding:0 26px;display:flex;align-items:center;justify-content:center;gap:11px;font-size:16px;font-weight:700;background:linear-gradient(180deg,var(--green-hi),var(--green));box-shadow:0 1px #ffffff40 inset,0 8px 18px -10px #0d8f4899}.primary .key{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;padding:3px 7px;border-radius:6px;background:#0000002e;color:#ffffffeb}.actionbar{display:flex;gap:9px;padding:12px 14px calc(16px + env(safe-area-inset-bottom))}.grade{flex:1;min-height:70px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--panel);border:1px solid var(--line);color:var(--ink);box-shadow:0 1px 2px #0000000a;position:relative}.grade .led{width:9px;height:9px;border-radius:50%;background:var(--c);box-shadow:0 0 8px 0 var(--c)}.grade .key{position:absolute;top:7px;right:9px;font-family:var(--font-mono);font-size:10px;color:var(--ink-dim)}.grade.again{--c: var(--red)}.grade.hard{--c: var(--amber-hi)}.grade.good{--c: var(--green)}.grade.easy{--c: var(--blue)}.grade:active{border-color:var(--c);box-shadow:0 0 0 1px var(--c) inset}.centered{flex:1;display:flex;flex-direction:column;gap:18px;align-items:center;justify-content:center;padding:36px;text-align:center}.tag{font-family:var(--font-mono);font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--ink-dim)}.headline{margin:0;font-size:30px;font-weight:800;letter-spacing:-.01em}.centered.done .headline{color:var(--green)}.centered.error .headline{color:var(--amber)}.centered p{margin:0;max-width:32ch;color:var(--ink-dim)}.centered button.primary{min-width:200px}.diag{margin:0;width:100%;max-width:560px;max-height:46svh;overflow:auto;text-align:left;font-family:var(--font-mono);font-size:12px;line-height:1.55;color:var(--ink);white-space:pre-wrap;word-break:break-word;-webkit-user-select:text;user-select:text;padding:14px 16px;border-radius:12px;border:1px solid var(--line);border-left:3px solid var(--amber-hi);background:#181c1a0a}.pulse{width:14px;height:14px;border-radius:50%;background:var(--green);box-shadow:0 0 14px 1px #0d8f4880;animation:pulse 1.1s var(--ease) infinite}@keyframes pulse{0%,to{opacity:.4;transform:scale(.85)}50%{opacity:1;transform:scale(1.1)}}.hud-top{display:flex;align-items:center;gap:10px}.back{flex:0 0 auto;min-height:0;padding:6px 12px;border-radius:99px;font-size:13px;font-weight:700;color:var(--ink);background:var(--panel);border:1px solid var(--line);box-shadow:0 1px 2px #0000000a}.deck{flex:1;min-width:0;text-align:center;font-weight:700;font-size:14px;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.syncdot{flex:0 0 auto;width:10px;height:10px;border-radius:50%;background:var(--ink-dim);opacity:.4}.syncdot.syncing{background:var(--amber-hi);opacity:1;animation:pulse 1.1s var(--ease) infinite}.syncdot.done{background:var(--green);opacity:1}.syncdot.error{background:var(--red);opacity:1}.picker{flex:1;display:flex;flex-direction:column;gap:14px;padding:8px 16px calc(20px + env(safe-area-inset-bottom))}.picker .tag{padding:6px 2px 2px}.decklist{display:flex;flex-direction:column;gap:9px}.deckrow{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px;padding:0 18px;border-radius:14px;text-align:left;color:var(--ink);background:var(--panel);border:1px solid var(--line);box-shadow:0 1px 2px #0000000a}.deckname{font-weight:600;font-size:16px}.count{font-family:var(--font-mono);font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;color:var(--green)}.count.zero{color:var(--ink-dim)}.picker .empty{color:var(--ink-dim);padding:8px 2px}.grade .ivl{font-family:var(--font-mono);font-size:11px;font-weight:600;color:var(--ink-dim);font-variant-numeric:tabular-nums}.syncline{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;min-height:1.2em}.syncline.done{color:var(--green)}.syncline.error{color:var(--red);max-width:34ch}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}