:root{--bg: #f5f6f8;--surface: #ffffff;--text: #14181d;--muted: #5a6472;--accent: #2456d6;--accent-text: #ffffff;--cell-free: #ffffff;--cell-border: #b9c1cc;--given-bg: #2b3440;--given-text: #ffffff;--zero: #b3541e;--one: #2456d6;--danger: #b0261f;--good: #1a7a45;--notice-bg: #fdf3d7;--notice-text: #6a5313}@media(prefers-color-scheme:dark){:root{--bg: #101418;--surface: #1a2027;--text: #edf1f5;--muted: #98a3b0;--accent: #6b95ff;--accent-text: #0c1220;--cell-free: #232b34;--cell-border: #46515e;--given-bg: #e8edf3;--given-text: #10141a;--zero: #ffab70;--one: #8ab1ff;--danger: #ff8a80;--good: #6cd39a;--notice-bg: #3a3117;--notice-text: #f0dfa0}}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent}.screen{max-width:480px;margin:0 auto;min-height:100dvh;padding:max(16px,env(safe-area-inset-top)) 16px max(16px,env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:16px}.home,.rule,.result{justify-content:center;text-align:center}.home{justify-content:flex-start}.home-header{text-align:center;padding-top:8px}@media(min-width:760px){.home{max-width:760px}}.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;align-items:start}.tile{display:grid;grid-template-columns:auto 1fr;grid-template-areas:"glyph body" "control control" "actions actions";gap:4px 14px;align-items:start;text-align:left;background:var(--surface);border:1px solid var(--cell-border);border-radius:16px;padding:16px}.tile-glyph{grid-area:glyph;font-size:1.6rem;line-height:1.2;color:var(--muted)}.tile-body{grid-area:body;display:flex;flex-direction:column;gap:4px;min-width:0}.tile-name{font-size:1.15rem;font-weight:600}.tile-blurb,.tile-status{margin:0;color:var(--muted);font-size:.95rem;line-height:1.4}.tile-facts{display:flex;flex-wrap:wrap;gap:6px}.tile-facts:empty{display:none}.chip{background:var(--bg);border:1px solid var(--cell-border);border-radius:999px;padding:2px 10px;font-size:.8rem;color:var(--muted)}.tile-control{grid-area:control;margin-top:12px}.tile-control:empty{display:none}.segmented{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px;background:var(--bg);border:1px solid var(--cell-border);border-radius:12px;padding:4px}.segment{background:transparent;color:var(--muted);font-size:.95rem;padding:10px 4px;min-height:44px;border-radius:9px}.segment.active{background:var(--surface);color:var(--text);font-weight:600;box-shadow:0 1px 2px #0000001f}.tile-actions{grid-area:actions;display:flex;gap:8px;margin-top:12px}.tile-actions:empty{display:none}.tile-actions .primary{flex:1 1 auto;font-size:1rem;min-height:48px;padding:12px}.tile-actions .secondary{flex:0 0 auto;padding:12px 16px;min-height:48px}.tile.accent-open{border-color:var(--accent)}.tile.accent-done .tile-glyph{color:var(--accent)}.tile.unavailable .tile-status{color:var(--danger)}.tile.placeholder{grid-template-areas:"glyph body badge";grid-template-columns:auto 1fr auto;border-style:dashed;background:transparent;opacity:.6}.tile-badge{grid-area:badge;align-self:start;border:1px solid var(--cell-border);border-radius:999px;padding:3px 10px;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);white-space:nowrap}h1{font-size:2rem;margin:0}h2{margin:0}.muted{color:var(--muted);margin:0}.notice{background:var(--notice-bg);color:var(--notice-text);border-radius:10px;padding:12px 14px;margin:0}button{font:inherit;border:none;border-radius:12px;cursor:pointer;touch-action:manipulation}.primary{background:var(--accent);color:var(--accent-text);font-size:1.15rem;font-weight:600;padding:16px;min-height:56px}.secondary{background:transparent;color:var(--muted);border:1px solid var(--cell-border);padding:12px 16px;min-height:48px}.secondary.armed{color:var(--danger);border-color:var(--danger);font-weight:600}.icon{background:transparent;color:var(--muted);border:1px solid var(--cell-border);border-radius:50%;width:36px;height:36px;font-weight:700}.task{justify-content:flex-start}.task-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.timer{font-variant-numeric:tabular-nums;color:var(--muted)}.rule-text{color:var(--muted);font-size:.9rem;margin:0}.task footer{margin-top:auto;display:flex;justify-content:center;gap:8px;padding-top:8px}.task footer button{flex:1 1 0;max-width:220px}.task footer button:disabled{opacity:.45}.binairo{display:flex;flex-direction:column;gap:6px;width:min(92vw,420px,58dvh);margin:8px auto 0}.binairo.locked{pointer-events:none;opacity:.8}.binairo-row{display:grid;grid-template-columns:repeat(var(--size),1fr);gap:6px}.cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:clamp(1.2rem,6vw,1.8rem);font-weight:700;border-radius:10px;user-select:none}.cell.free{background:var(--cell-free);border:2px solid var(--cell-border);padding:0}.cell.free:active{transform:scale(.94)}.cell.given{background:var(--given-bg);color:var(--given-text)}.cell.free.value-0{color:var(--zero);border-color:var(--zero)}.cell.free.value-1{color:var(--one);border-color:var(--one)}@keyframes shake{10%,90%{transform:translate(-2px)}20%,80%{transform:translate(4px)}30%,50%,70%{transform:translate(-6px)}40%,60%{transform:translate(6px)}}.binairo.shake{animation:shake .45s}.toast{min-height:2rem;text-align:center;font-size:1.3rem;font-weight:700;color:var(--danger);opacity:0}.toast.visible{animation:toast-fade 1.6s ease-out}@keyframes toast-fade{0%{opacity:0;transform:translateY(6px)}15%{opacity:1;transform:translateY(0)}70%{opacity:1}to{opacity:0}}.total-time{font-size:3rem;font-weight:700;margin:0;font-variant-numeric:tabular-nums}.rank{font-size:1.3rem;font-weight:600;margin:0}.standing{display:flex;flex-direction:column;gap:8px}.bars-title{margin-top:8px}.bars{display:flex;align-items:flex-end;justify-content:center;gap:8px;height:110px}.bar-slot{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:4px;height:100%;width:28px}.bar{width:100%;border-radius:4px 4px 0 0;background:var(--accent)}.bar.skipped{background:var(--danger)}.bar-label{font-size:.75rem;color:var(--muted)}.check-bar{width:100%;height:4px;border-radius:2px;margin-top:10px;background:transparent;overflow:hidden}.check-bar.pending{background:var(--cell-border)}.check-bar-fill{height:100%;width:0;background:var(--accent)}.check-bar.pending .check-bar-fill{animation-name:check-fill;animation-timing-function:linear;animation-fill-mode:forwards}@keyframes check-fill{0%{width:0}to{width:100%}}.mine{display:flex;flex-direction:column;gap:8px;width:min(92vw,420px,58dvh);margin:8px auto 0}.mine.locked{pointer-events:none;opacity:.8}.mine-counter{text-align:center;font-weight:700;font-size:1.1rem;font-variant-numeric:tabular-nums}.mine-counter.over{color:var(--danger)}.mine-board{display:flex;flex-direction:column;gap:5px}.mine-row{display:grid;grid-template-columns:repeat(var(--size),1fr);gap:5px}.mine .cell{border-radius:8px;font-size:clamp(1rem,5vw,1.5rem)}.mine .cell.revealed{background:var(--bg);border:1px solid var(--cell-border);color:var(--muted);font-weight:700}.mine .cell.n1{color:var(--one)}.mine .cell.n2{color:#1d7a3e}.mine .cell.n3{color:#d23f31}.mine .cell.n4{color:#7b3fb8}@media(prefers-color-scheme:dark){.mine .cell.n2{color:#6fca8f}.mine .cell.n3{color:#ff8a80}.mine .cell.n4{color:#c49bef}}.mine .cell.hidden{background:var(--cell-free);border:2px solid var(--cell-border);padding:0}.mine .cell.hidden:active{transform:scale(.94)}.mine .cell.hidden.marked{background:var(--given-bg);color:var(--given-text);border-color:var(--given-bg)}.mine-board.shake{animation:shake .45s}.code{display:flex;flex-direction:column;gap:14px;width:min(92vw,420px);margin:8px auto 0}.code.locked{pointer-events:none;opacity:.8}.code-guesses{display:flex;flex-direction:column;gap:8px}.code-guess{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--surface);border:1px solid var(--cell-border);border-radius:10px;padding:8px 12px}.code-pegs{display:flex;gap:8px}.peg{display:inline-flex;width:34px;height:34px}.peg.small{width:26px;height:26px}.peg svg,.code-swatch svg{width:100%;height:100%}.code-pins{display:grid;grid-template-columns:repeat(2,14px);gap:4px;justify-content:end}.pin{width:14px;height:14px;border-radius:50%}.pin.black{background:#0b0e12;border:2px solid var(--muted)}.pin.white{background:#fff;border:3px solid #2b3440}.pin.empty{border:2px dashed var(--cell-border);opacity:.5}.code-slots{display:flex;justify-content:center;gap:12px}.code-slot{width:60px;height:60px;border-radius:12px;border:2px dashed var(--cell-border);background:var(--cell-free);display:inline-flex;align-items:center;justify-content:center;padding:10px}.code-slot.filled{border-style:solid}.code-slot .peg{width:100%;height:100%}.code-slots.shake{animation:shake .45s}.code-hint{text-align:center;color:var(--muted);font-size:.85rem;margin:0}.code-palette{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.code-swatch{width:52px;height:52px;border-radius:12px;border:2px solid var(--cell-border);background:var(--cell-free);padding:9px}.code-swatch:active{transform:scale(.92)}.color-0{color:#d23f31}.color-1{color:#2456d6}.color-2{color:#c07b00}.color-3{color:#1d7a3e}.color-4{color:#7b3fb8}.color-5{color:#0e7c86}@media(prefers-color-scheme:dark){.color-0{color:#ff8a80}.color-1{color:#8ab1ff}.color-2{color:#ffc061}.color-3{color:#6fca8f}.color-4{color:#c49bef}.color-5{color:#6fd2dc}}.share-status{min-height:1.2rem;font-size:.9rem}.share-text{font:inherit;font-size:.85rem;background:var(--surface);border:1px solid var(--cell-border);border-radius:10px;padding:10px 12px;margin:0;white-space:pre-wrap;user-select:all;text-align:center}.timer.urgent{color:var(--danger);font-weight:700}.ad-slot{min-height:96px;border-radius:12px;border:1px dashed var(--cell-border);opacity:.35}.task.intro .rule-text{text-align:left;line-height:1.5;max-width:42ch;margin:0 auto}.intro-verdict{min-height:2.8em;max-width:42ch;margin:12px auto 0;text-align:center;line-height:1.4;color:var(--muted)}.intro-verdict.wrong{color:var(--danger)}.intro-verdict.solved{color:var(--good);font-weight:600}.link{background:transparent;color:var(--accent);text-decoration:underline;font-size:.95rem;padding:12px;min-height:44px}.save-offer{border:1px solid var(--cell-border);border-radius:12px;padding:16px;margin:8px 0;display:flex;flex-direction:column;gap:10px;text-align:center}.save-offer p{margin:0;line-height:1.4}.fine{font-size:.8rem;line-height:1.4}.settings{justify-content:flex-start;text-align:left;gap:24px}.settings header{width:100%}.settings h1{font-size:1.5rem}.settings section{display:flex;flex-direction:column;gap:8px;width:100%}.settings label{font-weight:600}.settings input{font:inherit;padding:12px;min-height:48px;border:1px solid var(--cell-border);border-radius:12px;background:var(--cell-free);color:var(--text)}.settings p{margin:0}