:root,:root[data-theme=paper]{--bg: #f4efe4;--bg-panel: #fbf8f1;--bg-panel-alt: #f1eadb;--border: #ddd5c3;--border-strong: #6b6357;--text: #2b2925;--text-muted: #7d766a;--accent: #b8452e;--accent-ink: #ffffff;--highlight: #ffe9a8;--crosshair: #ede5d2;--given-text: #2b2925;--entered-text: #2b5fb8;--note-text: #8a8378;--success: #3b7d4f;--warning: #b7791f;--danger: #c8352e;--radius: 10px;--shadow: 0 1px 2px rgba(60, 45, 20, .08), 0 6px 18px -8px rgba(60, 45, 20, .25);--tag-easy: #3b7d4f;--tag-medium: #2b5fb8;--tag-hard: #b7791f;--tag-insane: #c8352e;--font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-display: "Fraunces", Georgia, serif;--font-hand: "Caveat", "Segoe Print", cursive;--paper-noise-opacity: .35}:root[data-theme=midnight]{--bg: #0f1420;--bg-panel: #161d2e;--bg-panel-alt: #1c2540;--border: #2a3450;--border-strong: #4a5878;--text: #e7ecf7;--text-muted: #8a95b3;--accent: #e0b45a;--accent-ink: #1a1408;--highlight: #2b3a5c;--crosshair: 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var(--border);border-radius:var(--radius);padding:14px;text-align:left;color:var(--text);display:flex;flex-direction:column;gap:8px;position:relative}.difficulty-card:hover{border-color:var(--border-strong);transform:translateY(-2px);box-shadow:var(--shadow)}.difficulty-card.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.difficulty-card .difficulty-tag{align-self:flex-start}.difficulty-preview{width:100%;height:auto;margin:2px 0}.difficulty-blurb{margin:0;font-size:.82rem;color:var(--text-muted);line-height:1.4}.difficulty-best{margin:0;font-size:.85rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.difficulty-best 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8%,transparent)}.leaderboard-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.leaderboard-list li{display:flex;align-items:center;gap:10px;padding:7px 8px;border-radius:6px;font-size:.88rem}.leaderboard-list li.current-user{background:color-mix(in srgb,var(--accent) 12%,transparent);font-weight:500}.leaderboard-list .rank{color:var(--text-muted);width:30px;font-variant-numeric:tabular-nums}.leaderboard-list li:nth-child(-n+3) .rank{color:var(--warning);font-weight:600}.leaderboard-list .name{flex:1}.leaderboard-list .time{font-variant-numeric:tabular-nums}.auth-card{background:var(--bg-panel);border:1px solid var(--border);border-radius:14px;padding:32px;width:100%;max-width:400px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow);animation:rise-in .35s ease-out both}.auth-card h1{margin:0;font-size:1.7rem;display:flex;align-items:center;gap:10px}.auth-subtitle{margin:0 0 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legend{color:var(--text-muted);font-size:.8rem;padding:0 4px}.difficulty-picker label{flex-direction:row;align-items:center;gap:6px;border:1px solid var(--border);border-radius:6px;padding:5px 10px;color:var(--text);cursor:pointer}.difficulty-picker label.active{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}.auth-error{color:var(--danger);font-size:.85rem;margin:0}.auth-hint{margin:8px 0 0;font-size:.78rem;color:var(--text-muted);text-align:center}.auth-hint code{font-family:var(--font-ui);background:var(--bg-panel-alt);padding:1px 5px;border-radius:4px}.auth-repo-link{display:inline-flex;align-items:center;justify-content:center;gap:7px;margin-top:4px;padding-top:12px;border-top:1px solid var(--border);color:var(--text-muted);font-size:.82rem;text-decoration:none}.auth-repo-link:hover{color:var(--accent)}.auth-repo-link svg{width:16px;height:16px}.game-page{max-width:920px}.game-status-bar{display:flex;align-items:center;gap:16px;margin-bottom:20px;flex-wrap:wrap}.game-timer{font-family:var(--font-display);font-variant-numeric:tabular-nums;font-size:1.35rem;font-weight:600;min-width:4ch}.game-timer.paused{animation:pulse 1.4s ease-in-out infinite}.mistake-counter{color:var(--text-muted);font-size:.9rem;font-variant-numeric:tabular-nums;display:inline-flex;align-items:center;gap:6px}.mistake-counter .pips{display:inline-flex;gap:4px}.mistake-counter .pip{width:9px;height:9px;border-radius:50%;border:1.5px solid var(--border-strong);background:transparent}.mistake-counter .pip.hit{background:var(--warning);border-color:var(--warning)}.mistake-counter.warn .pip.hit{background:var(--danger);border-color:var(--danger)}.mistake-counter.warn{color:var(--danger)}.game-status-actions{margin-left:auto;display:flex;gap:8px}.game-body{display:flex;gap:24px;align-items:flex-start;flex-wrap:wrap;transition:filter 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var(--accent);z-index:1}.sudoku-cell.conflict{background:color-mix(in srgb,var(--danger) 14%,var(--bg-panel))}.sudoku-cell.conflict .cell-value{color:var(--danger)}.cell-value{font-size:clamp(1.05rem,3.6vw,1.55rem);font-weight:600;line-height:1}.given .cell-value{font-family:var(--font-display);color:var(--given-text)}.entered .cell-value{font-family:var(--font-hand);font-size:clamp(1.35rem,4.6vw,2rem);font-weight:600;color:var(--entered-text);animation:pop-in .16s cubic-bezier(.2,1.4,.4,1) both;transform:rotate(-3deg)}.entered .cell-value.shake{animation:shake .32s ease 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.remaining{font-size:.68rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.number-pad-btn:hover:not(:disabled){border-color:var(--border-strong)}.number-pad-btn.active{border-color:var(--accent);background:var(--highlight);box-shadow:0 0 0 1px var(--accent)}.number-pad-btn.complete{opacity:.45;cursor:default;box-shadow:none}.number-pad-btn.complete .digit{color:var(--text-muted);text-decoration:line-through}.number-pad-btn.complete .remaining{color:var(--success)}.modal-overlay{position:fixed;inset:0;background:color-mix(in srgb,var(--bg) 55%,transparent);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:20;padding:20px;animation:fade-in .2s ease both}.modal{background:var(--bg-panel);border:1px solid var(--border);border-radius:14px;padding:28px;width:100%;max-width:400px;text-align:center;box-shadow:var(--shadow);animation:rise-in .3s cubic-bezier(.2,1.2,.4,1) both;position:relative;overflow:hidden}.modal h2{margin:0 0 10px;font-size:1.5rem}.pb-banner{display:inline-block;background:var(--warning);color:#2b2925;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 12px;border-radius:999px;margin-bottom:10px;animation:rise-in .4s .25s cubic-bezier(.2,1.4,.4,1) both}.victory-time{font-family:var(--font-display);font-size:2.6rem;font-weight:600;font-variant-numeric:tabular-nums;margin:4px 0 16px;line-height:1}.victory-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0 0 20px}.victory-stats dt{color:var(--text-muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.05em}.victory-stats dd{margin:2px 0 0;font-weight:600;font-variant-numeric:tabular-nums}.victory-actions{display:flex;flex-direction:column;gap:8px}.victory-actions button{padding:10px}.confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden}.confetti 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