:root{--bg: #f6f7f9;--panel: #ffffff;--ink: #1a1c20;--muted: #6b7280;--line: #d9dce1;--cell: #ffffff;--cell-blocked: #c9ccd2;--trace: #ffd24a;--trace-ink: #1a1c20;--accent: #2f6fed;--danger: #d64545;--w0: #2f6fed;--w1: #12a150;--w2: #e0761b;--w3: #9b4dd6;--w4: #d6457e;--w5: #17a2b8}@media(prefers-color-scheme:dark){:root{--bg: #14161a;--panel: #1d2026;--ink: #f2f3f5;--muted: #9aa1ac;--line: #333844;--cell: #262a32;--cell-blocked: #171a1f;--trace: #f2b807;--trace-ink: #17181b;--accent: #5b8bff;--danger: #ff6b6b;--w0: #5b8bff;--w1: #3cc776;--w2: #ff9e42;--w3: #c07bff;--w4: #ff77a9;--w5: #4cd0e0}}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-user-select:none;user-select:none;touch-action:manipulation}.wt-app{max-width:460px;margin:0 auto;padding:16px 16px 40px;display:flex;flex-direction:column;gap:14px}.wt-brand{display:flex;align-items:center;gap:8px}.wt-logo{width:26px;height:26px;display:block}.wt-brandname{font-size:.95rem;font-weight:800;letter-spacing:.2px;color:var(--ink)}.wt-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.wt-title{font-size:1.35rem;margin:0}.wt-meta{color:var(--muted);font-size:.82rem;margin-top:2px}.wt-timer{font-variant-numeric:tabular-nums;font-size:1.6rem;font-weight:700;padding:4px 12px;background:var(--panel);border:1px solid var(--line);border-radius:10px}.wt-board{display:grid;gap:6px;aspect-ratio:1 / 1;width:100%;touch-action:none}.wt-cell{--wt-dot: 82%;position:relative;display:flex;align-items:center;justify-content:center;background:var(--wend-light, var(--cell));border:1px solid var(--line);border-radius:10px;font-size:clamp(1.1rem,7vw,1.9rem);font-weight:700;text-transform:uppercase;color:var(--ink);transition:background .08s,color .08s}.wt-cell.blocked{background:var(--cell-blocked);border-color:transparent}.wt-glyph{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;height:var(--wt-dot);aspect-ratio:1;border-radius:50%;line-height:1;background:var(--wend-dark, transparent);transition:background .08s,color .08s}.wt-cell.hint{outline:3px solid var(--accent);outline-offset:-3px;z-index:3}.wt-conn{position:absolute}.wt-conn.light{z-index:0;background:var(--wend-light)}.wt-conn.dark{z-index:1;background:var(--wend-dark)}.wt-conn.right{left:50%;width:calc(50% + 4px);top:0;bottom:0}.wt-conn.left{right:50%;width:calc(50% + 4px);top:0;bottom:0}.wt-conn.up{bottom:50%;height:calc(50% + 4px);left:0;right:0}.wt-conn.down{top:50%;height:calc(50% + 4px);left:0;right:0}.wt-conn.dark.right,.wt-conn.dark.left{top:calc((100% - var(--wt-dot) / 2) / 2);bottom:calc((100% - var(--wt-dot) / 2) / 2)}.wt-conn.dark.up,.wt-conn.dark.down{left:calc((100% - var(--wt-dot) / 2) / 2);right:calc((100% - var(--wt-dot) / 2) / 2)}.wt-arrow{position:absolute;z-index:2;display:flex;align-items:center;justify-content:center;color:#ffffffe6;font-size:.65em;pointer-events:none}.wt-arrow.right{right:calc(-1 * (100% - var(--wt-dot) / 2) / 2 - 2px);top:0;bottom:0}.wt-arrow.left{left:calc(-1 * (100% - var(--wt-dot) / 2) / 2 - 2px);top:0;bottom:0}.wt-arrow.down{bottom:calc(-1 * (100% - var(--wt-dot) / 2) / 2 - 2px);left:0;right:0}.wt-arrow.up{top:calc(-1 * (100% - var(--wt-dot) / 2) / 2 - 2px);left:0;right:0}.wt-start{position:absolute;z-index:5;top:-4px;left:-4px;width:18px;height:18px;border-radius:50%;background:var(--panel);border:2px solid var(--wend-dark, var(--muted));display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;color:var(--wend-dark, var(--muted));line-height:1}.wt-start.solved{background:var(--wend-dark);color:#fff;border-color:var(--panel)}.wt-cell.chain-0,.wt-cell.word-0{--wend-light: #fbdcc0;--wend-dark: #e8710a}.wt-cell.chain-1,.wt-cell.word-1{--wend-light: #ded0f9;--wend-dark: #7048e8}.wt-cell.chain-2,.wt-cell.word-2{--wend-light: #c3ecd9;--wend-dark: #0ca678}.wt-cell.chain-3,.wt-cell.word-3{--wend-light: #f9d6e4;--wend-dark: #e64980}.wt-cell.chain-4,.wt-cell.word-4{--wend-light: #cfe0f9;--wend-dark: #1c7ed6}.wt-cell.word-5{--wend-light: #c6ecf1;--wend-dark: #12b0c4}.wt-cell[class*=chain-],.wt-cell[class*=word-]{border-color:transparent}.wt-cell[class*=chain-] .wt-glyph,.wt-cell[class*=word-] .wt-glyph{color:#fff}.wt-progress{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.wt-chip{padding:5px 12px;border-radius:999px;background:var(--panel);border:1px solid var(--line);font-weight:700;letter-spacing:2px;color:var(--muted);min-width:44px;text-align:center}.wt-chip.done{color:#fff;letter-spacing:1px;border-color:transparent}.wt-chip.word-0{background:var(--w0)}.wt-chip.word-1{background:var(--w1)}.wt-chip.word-2{background:var(--w2)}.wt-chip.word-3{background:var(--w3)}.wt-chip.word-4{background:var(--w4)}.wt-chip.word-5{background:var(--w5)}.wt-status{min-height:1.3em;text-align:center;color:var(--muted);font-size:.9rem}.wt-controls{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.wt-btn{flex:1 1 auto;min-width:72px;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--ink);font-size:.9rem;font-weight:600;cursor:pointer}.wt-btn:hover{border-color:var(--accent)}.wt-btn:active{transform:translateY(1px)}.wt-btn.wt-danger{color:var(--danger)}.wt-btn.wt-danger:hover{border-color:var(--danger)}.wt-statsfooter{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:12px}.wt-stats{color:var(--muted);font-size:.82rem;font-variant-numeric:tabular-nums}.wt-statsfooter .wt-btn{flex:0 0 auto}