:root{--bg:#f6f7fb;--panel:#fff;--line:#2b2d42;--line-soft:#c9cbd6;--text:#1f2233;--text-soft:#6b6f80;--accent:#4f46e5;--accent-2:#7c3aed;--accent-soft:#e0e7ff;--given:#1f2233;--user:#4f46e5;--error:#e11d48;--error-soft:#fee2e2;--highlight:#eef2ff;--same:#c7d2fe;--note:#6b6f80;--dot-empty:#e5e7eb;--gold:#f59e0b;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}[data-theme=dark]{--bg:#0f1226;--panel:#1b1f3a;--line:#e5e7eb;--line-soft:#3a3f5a;--text:#e5e7eb;--text-soft:#9ca3af;--accent:#818cf8;--accent-2:#c084fc;--accent-soft:#312e81;--given:#e5e7eb;--user:#a5b4fc;--error:#fb7185;--error-soft:#4c1d28;--highlight:#232856;--same:#3b3f7d;--note:#9ca3af;--dot-empty:#2a2e4a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);min-height:100%;margin:0;padding:0;transition:background .2s,color .2s}#app{flex-direction:column;align-items:center;min-height:100vh;padding:16px 14px 32px;display:flex}button{font-family:inherit}.icon-btn{background:var(--panel);cursor:pointer;width:38px;height:38px;color:var(--text);border:0;border-radius:10px;font-size:16px;box-shadow:0 1px 2px #0000000d}.home{flex-direction:column;gap:14px;width:100%;max-width:480px;display:flex}.big-title{text-align:center;background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#0000;letter-spacing:2px;-webkit-background-clip:text;background-clip:text;margin:8px 0 0;font-size:32px;font-weight:800}.subtitle{text-align:center;color:var(--text-soft);margin:-6px 0 8px;font-size:14px}.resume-banner{background:var(--panel);border:2px solid var(--accent);cursor:pointer;color:var(--text);text-align:left;border-radius:14px;justify-content:space-between;align-items:center;padding:14px 16px;display:flex;box-shadow:0 4px 14px #4f46e526}.resume-banner .left{flex-direction:column;display:flex}.resume-banner .lbl{color:var(--accent);font-size:15px;font-weight:700}.resume-banner .meta{color:var(--text-soft);margin-top:2px;font-size:13px}.resume-banner .arrow{color:var(--accent);font-size:22px}.daily-card{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;cursor:pointer;text-align:left;border:0;border-radius:16px;justify-content:space-between;align-items:center;padding:18px 20px;transition:transform .15s;display:flex;box-shadow:0 8px 24px #4f46e540}.daily-card:hover{transform:translateY(-2px)}.daily-card.done{opacity:.85}.dc-title{font-size:18px;font-weight:700}.dc-date{opacity:.85;margin-top:2px;font-size:12px}.dc-go{font-size:26px;font-weight:700}.dc-done{font-size:16px;font-weight:600}.size-list{flex-direction:column;gap:12px;display:flex}.size-label{color:var(--text-soft);letter-spacing:1px;margin:4px 4px 6px;font-size:13px;font-weight:600}.diff-row{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.diff-card{background:var(--panel);cursor:pointer;color:var(--text);border:0;border-radius:14px;flex-direction:column;align-items:center;gap:4px;padding:14px 8px;transition:transform .15s,box-shadow .15s;display:flex;box-shadow:0 1px 2px #0000000d}.diff-card:hover{transform:translateY(-2px);box-shadow:0 4px 14px #0000001a}.diff-card .dname{font-size:15px;font-weight:600}.diff-card .best{color:var(--gold);font-size:12px;font-weight:500}.diff-card .best.dim{color:var(--text-soft)}.home-footer{align-items:center;gap:8px;margin-top:14px;display:flex}.home-footer .spacer{flex:1}.home-action{background:var(--panel);color:var(--text);cursor:pointer;border:0;border-radius:10px;padding:10px 16px;font-size:14px;box-shadow:0 1px 2px #0000000d}.game{flex-direction:column;width:100%;max-width:560px;display:flex}.game-head{align-items:center;gap:10px;margin-bottom:10px;display:flex}.back{background:var(--panel);cursor:pointer;width:38px;height:38px;color:var(--text);border:0;border-radius:10px;font-size:18px;box-shadow:0 1px 2px #0000000d}.mode-badge{color:var(--text);text-align:center;flex:1;justify-content:center;align-items:center;gap:6px;font-size:15px;font-weight:600;display:flex}.daily-tag{color:var(--gold)}.timer{font-variant-numeric:tabular-nums;color:var(--text);text-align:right;min-width:60px;font-size:18px;font-weight:600}.status{min-height:22px;color:var(--text-soft);justify-content:space-between;margin:2px 0 10px;font-size:13px;display:flex}.status .win{color:#16a34a;font-weight:600}.status .err{color:var(--error)}.board-wrap{justify-content:center;display:flex;position:relative}.board{background:var(--line);border:3px solid var(--line);aspect-ratio:1;-webkit-user-select:none;user-select:none;touch-action:manipulation;border-radius:8px;width:min(92vw,520px);display:grid}.cell{background:var(--panel);cursor:pointer;border:1px solid var(--line-soft);color:var(--text);aspect-ratio:1;justify-content:center;align-items:center;min-width:0;font-weight:600;display:flex;position:relative}.cell.given{color:var(--given)}.cell.user{color:var(--user)}.cell.error{background:var(--error-soft);color:var(--error)}.cell.peer{background:var(--highlight)}.cell.same{background:var(--same)}.cell.selected{outline:3px solid var(--accent);outline-offset:-3px;z-index:1}.board.size-9 .cell{font-size:clamp(16px,4.6vw,26px)}.board.size-6 .cell{font-size:clamp(18px,5.4vw,30px)}.board.size-4 .cell{font-size:clamp(22px,6.5vw,36px)}.cell.box-right{border-right:2px solid var(--line)}.cell.box-bottom{border-bottom:2px solid var(--line)}.notes{width:100%;height:100%;color:var(--note);padding:1px;font-weight:400;display:grid}.notes span{justify-content:center;align-items:center;font-size:clamp(7px,1.6vw,10px);line-height:1;display:flex}.pad{gap:6px;margin-top:12px;display:grid}.pad .row{gap:6px;display:grid}.pad button{background:var(--panel);color:var(--text);cursor:pointer;border:0;border-radius:12px;padding:14px 0;font-size:20px;font-weight:600;transition:background .12s;box-shadow:0 1px 2px #0000000d}.pad button:active{background:var(--accent-soft)}.pad button.erase{color:var(--error)}.tools{grid-template-columns:repeat(4,1fr);gap:6px;margin-top:8px;display:grid}.tool{background:var(--panel);cursor:pointer;color:var(--text);border:0;border-radius:12px;flex-direction:column;align-items:center;gap:2px;padding:10px 0 8px;font-size:20px;display:flex;box-shadow:0 1px 2px #0000000d}.tool .lbl{color:var(--text-soft);font-size:10px}.tool:active{background:var(--accent-soft)}.tool.toggle-on{background:var(--accent);color:#fff}.tool.toggle-on .lbl{color:#ffffffd9}.tool.disabled{opacity:.4;cursor:not-allowed}.win-overlay[hidden]{display:none}.win-overlay{z-index:8500;background:#0f12238c;justify-content:center;align-items:center;padding:16px;animation:.3s fadeIn;display:flex;position:fixed;inset:0}.win-card{background:var(--panel);border-radius:20px;flex-direction:column;align-items:center;gap:6px;width:100%;max-width:380px;max-height:90vh;padding:24px 22px;animation:.4s cubic-bezier(.2,1.4,.4,1) popIn;display:flex;overflow:auto;box-shadow:0 20px 60px #0000004d}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes popIn{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}.win-emoji{font-size:48px}.win-title{color:var(--text);font-size:20px;font-weight:700}.win-time{color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:2px;margin:4px 0;font-size:56px;font-weight:800}.win-mode{color:var(--text-soft);font-size:14px}.win-meta{color:var(--text-soft);gap:14px;margin:4px 0;font-size:13px;display:flex}.badge{background:var(--highlight);color:var(--text);border-radius:16px;margin:2px 0;padding:6px 12px;font-size:13px;font-weight:600}.badge.new-record{background:linear-gradient(135deg, var(--gold), #fb923c);color:#fff}.badge.perfect{color:#fff;background:linear-gradient(135deg,#10b981,#34d399)}.badge.daily{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff}.ach-row{flex-wrap:wrap;justify-content:center;gap:6px;margin:8px 0;display:flex}.ach-pop{background:var(--accent-soft);color:var(--text);border-radius:12px;align-items:center;gap:4px;padding:6px 10px;font-size:12px;display:flex}.ach-pop .ic{font-size:16px}.win-best{color:var(--text-soft);margin-top:4px;font-size:13px}.win-actions{grid-template-columns:2fr 1.2fr .6fr;gap:6px;width:100%;margin-top:14px;display:grid}.win-btn{background:var(--panel);color:var(--text);cursor:pointer;border:0;border:1px solid var(--line-soft);border-radius:12px;padding:12px 0;font-size:14px;font-weight:600}.win-btn.primary{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;border:0}.win-stats-link{color:var(--text-soft);cursor:pointer;background:0 0;border:0;margin-top:6px;font-size:13px}#toast-host{pointer-events:none;z-index:10000;flex-direction:column;align-items:center;gap:8px;display:flex;position:fixed;top:16px;left:0;right:0}.toast{color:#fff;text-align:center;opacity:0;background:#1f2233f2;border-radius:12px;max-width:90vw;padding:12px 18px;font-size:14px;line-height:1.6;transition:opacity .3s,transform .3s;transform:translateY(-10px);box-shadow:0 10px 30px #00000040}.toast.show{opacity:1;transform:translateY(0)}.modal[hidden]{display:none}.modal{z-index:9000;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-backdrop{background:#0f122380;position:absolute;inset:0}.modal-card{background:var(--panel);width:100%;max-width:480px;max-height:90vh;color:var(--text);border-radius:16px;padding:18px;position:relative;overflow:auto;box-shadow:0 20px 60px #00000040}.modal-head{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.modal-head h2{margin:0;font-size:18px}.modal-close{cursor:pointer;color:var(--text-soft);background:0 0;border:0;font-size:20px}.stat-row{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.stat-card{background:var(--highlight);text-align:center;border-radius:10px;padding:10px 6px}.stat-card .lbl{color:var(--text-soft);font-size:11px}.stat-card .val{color:var(--accent);margin-top:2px;font-size:18px;font-weight:700}.modal-body h3{color:var(--text-soft);margin:18px 0 8px;font-size:14px}.heatmap{grid-template-columns:repeat(14,1fr);gap:4px;display:grid}.heatmap .dot{aspect-ratio:1;background:var(--dot-empty);border-radius:4px}.heatmap .dot.done{background:var(--accent)}.heatmap .dot.daily{background:linear-gradient(135deg, var(--accent) 50%, var(--gold) 50%)}.heatmap .dot.today{outline:2px solid var(--text);outline-offset:1px}.rec-table{border-collapse:collapse;width:100%;font-size:14px}.rec-table th,.rec-table td{text-align:center;border-bottom:1px solid var(--line-soft);padding:8px}.rec-table thead th{color:var(--text-soft);font-weight:600}.rec-table tbody th{text-align:left;color:var(--text-soft);font-weight:500}.ach-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px;display:grid}.ach{background:var(--highlight);text-align:center;opacity:.5;border-radius:10px;padding:10px 8px}.ach.got{opacity:1;background:var(--accent-soft)}.ach .icon{font-size:28px}.ach .name{color:var(--text);margin-top:4px;font-size:12px;font-weight:600}.ach .desc{color:var(--text-soft);margin-top:2px;font-size:11px;line-height:1.3}.hint{color:var(--text-soft);margin-top:12px;font-size:12px}@media (width<=420px){.big-title{font-size:26px}.mode-badge{font-size:14px}.timer{font-size:16px}.tool{font-size:18px}.tool .lbl{font-size:9px}.pad button{padding:12px 0;font-size:18px}.win-time{font-size:44px}}