:root{--bg:#f5f3ff;--surface:#fff;--text:#1d1b33;--muted:#6b6889;--border:#e2def5;--accent:#6c5ce7;--accent-text:#fff;--board-bg:#1d1b33;--success:#1f9d61;--danger:#d63c3c;--radius:16px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#12111f;--surface:#1d1b33;--text:#f1f0ff;--muted:#a3a0c2;--border:#2f2c4d;--accent:#8b7dff;--board-bg:#0a0916;--success:#4cd38f;--danger:#ff7a7a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}h1,h2,h3,p{margin:0}.app{max-width:520px;padding:16px 16px calc(24px + env(safe-area-inset-bottom));margin:0 auto}.btn{background:var(--accent);min-height:44px;color:var(--accent-text);font:inherit;cursor:pointer;border:1px solid #0000;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-weight:600;display:inline-flex}.btn:disabled{opacity:.45;cursor:default}.btn-secondary{border-color:var(--border);color:var(--text);background:0 0}.link{color:var(--accent);font:inherit;cursor:pointer;background:0 0;border:0;padding:8px 0;font-weight:600}.nick{flex-direction:column;gap:14px;margin-top:12vh;display:flex}.nick-text{color:var(--muted);line-height:1.5}.nick-form{gap:8px;display:flex}.nick-input{border:1px solid var(--border);background:var(--surface);min-width:0;min-height:44px;color:var(--text);font:inherit;border-radius:12px;flex:1;padding:10px 14px;font-size:16px}.nick-input:focus{outline:2px solid var(--accent);outline-offset:1px}.nick .link{align-self:flex-start}.player-nick{color:var(--text);font-weight:600}.header{margin:8px 0 20px}.brand{letter-spacing:-.02em;font-size:28px;font-weight:800}.date{color:var(--muted);margin-top:2px}.levels{gap:12px;margin:0;padding:0;list-style:none;display:grid}.level{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);width:100%;color:inherit;font:inherit;text-align:left;cursor:pointer;align-items:center;gap:14px;padding:12px;display:flex}.level:disabled{cursor:default;opacity:.55}.level:disabled .level-thumb{filter:grayscale()blur(2px)}.level-thumb{background-position:50%;background-size:cover;border-radius:10px;flex:none;width:64px;height:64px}.level-info{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.level-name{font-size:20px;font-weight:700}.level-status{color:var(--muted);font-size:14px}.level-icon{color:var(--accent);font-size:20px}.level-thumb.loading{background:linear-gradient(90deg, var(--border), var(--bg), var(--border));background-size:200% 100%;animation:1.2s linear infinite shimmer}@keyframes shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.theme-hint{color:var(--muted);margin-top:10px;font-size:14px}.day-done{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);text-align:center;margin-top:16px;padding:18px 16px}.day-done-label{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:12px;font-weight:700}.day-done-theme{letter-spacing:-.02em;color:var(--accent);margin-top:4px;font-size:30px;font-weight:800}.day-done-score{margin-top:6px}.day-done-next{border-top:1px solid var(--border);color:var(--muted);flex-wrap:wrap;justify-content:center;gap:4px 16px;margin-top:14px;padding-top:12px;font-size:14px;display:flex}.day-done-next strong{color:var(--text)}.countdown{font-variant-numeric:tabular-nums}.options{border-top:1px dashed var(--border);margin-top:28px;padding-top:20px}.options-title{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:13px;font-weight:700}.options-text{color:var(--muted);margin:6px 0 12px;font-size:14px}.options-row{flex-wrap:wrap;gap:8px;display:flex}.dev{margin-top:20px}.checkbox{align-items:center;gap:8px;margin:10px 0;display:flex}.error{color:var(--danger);margin-top:8px;font-size:14px}html.playing,html.playing body{touch-action:none;overscroll-behavior:none}.game{-webkit-user-select:none;user-select:none}@media (width<=600px){.game{min-height:calc(100dvh - 40px - env(safe-area-inset-bottom));flex-direction:column;display:flex}.game .board-wrap{margin-top:auto}}.game-top{justify-content:space-between;align-items:center;display:flex}.game-title{font-size:20px;font-weight:800}.game-top-spacer{width:64px}.game-bar{align-items:center;gap:20px;margin-top:12px;display:flex}.peek{border:2px solid var(--border);cursor:zoom-in;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;background-position:50%;background-size:cover;border-radius:10px;flex:none;width:56px;height:56px;padding:0}.stat{flex-direction:column;display:flex}.stat-label{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:12px;font-weight:600}.stat-value{font-variant-numeric:tabular-nums;font-size:24px;font-weight:700}.board-wrap{margin:14px 0;position:relative}.board{aspect-ratio:1;background:var(--board-bg);touch-action:none;-webkit-user-select:none;user-select:none;border-radius:12px;width:100%;position:relative;overflow:hidden}.tile{cursor:pointer;will-change:transform;transition:transform .11s ease-out,box-shadow .4s;position:absolute;top:0;left:0;box-shadow:inset 0 0 0 1px #fff6,inset 0 0 0 2px #0000001f}.board.solved .tile{box-shadow:none;cursor:default}.tile-last{animation:.45s ease-out both fade-in}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.peek-overlay{pointer-events:none;background-position:50%;background-size:cover;border-radius:12px;position:absolute;inset:0}.game-actions{justify-content:space-between;align-items:center;gap:12px;display:flex}.hint{color:var(--muted);font-size:14px}.win{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);text-align:center;padding:16px}.win-title{color:var(--success);font-size:22px;font-weight:800}.win-score{font-variant-numeric:tabular-nums;margin-top:4px;font-size:18px;font-weight:600}.win-best{color:var(--muted);margin-top:2px}.save-status{color:var(--success);margin-top:8px;font-size:14px}.save-status.error{color:var(--danger)}.credit{color:var(--muted);margin-top:10px;font-size:12px;font-style:italic}.win-actions{justify-content:center;gap:8px;margin-top:14px;display:flex}@media (prefers-reduced-motion:reduce){.tile{transition:none}}