:root{--accent: #5b5bd6;--bg: #f6f6fb;--card: #ffffff;--ink: #23232e;--muted: #6b6b7e;--line: #e2e2ec;--cell-bg: #ffffff;--cell-line: #d9d9e6;--given-bg: #efe9dc;--conflict: #d64545;--sun: #e8920b;--moon: #4868d8;--edge: 14px;font-family:system-ui,Segoe UI,sans-serif}:root[data-theme=dark]{--bg: #15151d;--card: #1f1f2a;--ink: #ececf4;--muted: #9c9cb0;--line: #32323f;--cell-bg: #262633;--cell-line: #3a3a4a;--given-bg: #3a3527}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}.top{display:flex;align-items:center;gap:10px;padding:10px 16px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.top h1{font-size:18px;margin:0;color:var(--accent);display:flex;align-items:center;gap:8px;letter-spacing:.2px}.brand-mark{width:22px;height:22px;border-radius:6px}.top .spacer{flex:1}.top .back{font-size:22px;line-height:1;padding:2px 10px}.top .theme{font-size:16px}.offline{font-size:12px;background:#b3582020;color:#b35820;padding:2px 10px;border-radius:99px}main{max-width:560px;margin:0 auto;padding:16px}.center{text-align:center;color:var(--muted);margin-top:40px}h2{margin:4px 0 12px}button{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:6px 14px;cursor:pointer}button:disabled{opacity:.4;cursor:default}.cards{display:grid;gap:12px}.card{display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding:16px;border-left:6px solid var(--gc);text-align:left}.card-name{font-size:17px;font-weight:700;color:var(--gc)}.card-tag{color:var(--muted);font-size:13.5px}.card-meta{font-size:12.5px;color:var(--muted)}.daily-card{display:flex;flex-direction:column;gap:2px;align-items:flex-start;width:100%;padding:14px 16px;margin-bottom:14px;border:2px solid var(--gc);color:var(--gc);font-size:15px}.daily-card span{color:var(--muted);font-size:13px}.levels{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px}.level{position:relative;padding:10px 4px;display:flex;flex-direction:column;align-items:center}.level.done{border-color:#3f9d63}.lvl-n{font-weight:700}.lvl-d{font-size:11px;color:var(--muted)}.lvl-ok{position:absolute;top:4px;right:7px;color:#3f9d63;font-size:12px}.play-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.play-sub{color:var(--muted);font-size:13.5px}.hint-line{color:var(--muted);font-size:13px;min-height:18px}.hint-line .flash{color:var(--conflict)}.board{--cell: min(52px, calc((100vw - 48px) / var(--n)));display:grid;gap:2px;margin:14px auto;width:max-content;max-width:100%;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px;-webkit-user-select:none;user-select:none;touch-action:none;position:relative;grid-template-columns:repeat(var(--n),var(--cell))}.cell{width:var(--cell);height:var(--cell);padding:0;border-radius:6px;border:1px solid var(--cell-line);background:var(--cell-bg);display:flex;align-items:center;justify-content:center;font-size:calc(var(--cell) * .45);font-weight:600}.ms-board .cell.box-r{border-right:3px solid var(--ink)}.ms-board .cell.box-b{border-bottom:3px solid var(--ink)}.ms-board .cell.given{background:var(--given-bg)}.ms-board .cell:not(.given){color:var(--accent)}.ms-board .cell.selected{outline:3px solid var(--accent);z-index:1}.ms-board .cell.conflict{color:var(--conflict)}.notes{display:grid;grid-template-columns:repeat(3,1fr);width:100%;height:100%}.notes i{font-style:normal;font-size:calc(var(--cell) * .22);color:var(--muted);display:flex;align-items:center;justify-content:center}.keypad{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}.key{width:44px;height:44px;font-size:18px;font-weight:700}.key.fn{font-weight:400}.key.on{background:var(--accent);color:#fff;border-color:var(--accent)}.crowns-board{--rb: 2.5px solid #2b2b33;gap:0;padding:0;border:none;background:none;touch-action:none;border-radius:10px;overflow:hidden;box-shadow:0 1px 6px #0000001f}.crowns-board .cell{border-radius:0;border:1px solid rgba(0,0,0,.14);color:#2a2a2a;position:relative}.crowns-cell .crown{font-size:calc(var(--cell) * .6);line-height:1;color:#2b2b33;filter:drop-shadow(0 1px 1px rgba(255,255,255,.5))}.crowns-cell .xmark{font-size:calc(var(--cell) * .34);color:#2828328c;font-weight:700}.crowns-board .cell.conflict .crown{color:var(--conflict);filter:drop-shadow(0 0 5px #fff)}:root[data-theme=dark] .crowns-board{--rb: 2.5px solid #0c0c12}:root[data-theme=dark] .crowns-cell .crown{color:#14141a}.duo-board{gap:0}.duo-board .cell{border-radius:0}.duo-board .cell.given{background:var(--given-bg)}.duo-board .cell.sun{color:var(--sun)}.duo-board .cell.moon{color:var(--moon)}.duo-board .cell.conflict{box-shadow:inset 0 0 0 2px var(--conflict)}.duo-edge{display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--muted);min-width:var(--edge);min-height:var(--edge)}.duo-edge.broken{color:var(--conflict)}.gap{min-width:var(--edge);min-height:var(--edge)}.trail-board{gap:0;padding:10px}.trail-board .cell{border-radius:0}.trail-board .cell.visited{background:color-mix(in srgb,var(--accent) 14%,var(--cell-bg))}.cp{background:var(--ink);color:var(--bg);border-radius:50%;z-index:2;width:calc(var(--cell) * .6);height:calc(var(--cell) * .6);display:flex;align-items:center;justify-content:center;font-size:calc(var(--cell) * .3)}.cp.next{box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 45%,transparent)}.trail-overlay{position:absolute;top:10px;right:10px;bottom:10px;left:10px;width:calc(100% - 20px);height:calc(100% - 20px);pointer-events:none;z-index:1;overflow:visible}.trail-path{fill:none;stroke:var(--accent);stroke-opacity:.55;stroke-width:.4;stroke-linecap:round;stroke-linejoin:round}.trail-wall{stroke:var(--ink);stroke-width:.12;stroke-linecap:round}.tiles-board{gap:0;border-radius:14px;overflow:hidden;box-shadow:0 1px 6px #00000012}.tiles-board .cell{border-radius:0;border-color:var(--cell-line)}.tile-rect{position:absolute;z-index:1;pointer-events:none;border-radius:8px;background:color-mix(in srgb,var(--rc) 28%,transparent);border:2px solid color-mix(in srgb,var(--rc) 85%,#000)}.tile-rect.wrong{border-style:dashed;border-color:var(--conflict)}.tile-rect.preview{background:color-mix(in srgb,var(--accent) 18%,transparent);border:2px dashed var(--accent)}.tile-rect .area{position:absolute;right:4px;bottom:2px;font-size:13px;font-weight:700;color:var(--accent)}.tile-clue{position:absolute;z-index:2;pointer-events:none;transform:translate(-50%,-50%);width:calc(var(--cell) * .62);height:calc(var(--cell) * .62);border-radius:24%;background:var(--cc, #888);color:#fff;font-weight:800;font-size:calc(var(--cell) * .36);display:flex;align-items:center;justify-content:center;box-shadow:0 calc(var(--cell) * .06) 0 color-mix(in srgb,var(--cc, #888) 62%,#000 22%),0 calc(var(--cell) * .09) calc(var(--cell) * .15) #00000038}.tile-clue.shape-wide{width:calc(var(--cell) * .84);height:calc(var(--cell) * .56)}.tile-clue.shape-tall{width:calc(var(--cell) * .56);height:calc(var(--cell) * .84)}.tile-clue.shape-any:before,.tile-clue.shape-any:after{content:"";position:absolute;z-index:-1;background:var(--cc, #888);border-radius:26%}.tile-clue.shape-any:before{top:14%;right:-11%;bottom:14%;left:-11%}.tile-clue.shape-any:after{top:-11%;right:14%;bottom:-11%;left:14%}.tiles-legend{max-width:420px;margin:10px auto;padding:12px 16px;text-align:center;background:var(--card);border:1px solid var(--line);border-radius:12px}.legend-title{font-weight:700;font-size:14px;margin-bottom:8px}.legend-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;font-size:13px;text-align:left;justify-items:start}.legend-grid span{display:flex;align-items:center;gap:8px}.lg{display:inline-block;background:#9aa0ab;border-radius:3px}.lg-square{width:14px;height:14px}.lg-tall{width:10px;height:16px}.lg-wide{width:16px;height:10px}.lg-any{width:14px;height:14px;background:repeating-linear-gradient(45deg,#9aa0ab 0,#9aa0ab 3px,#c6cad2 3px,#c6cad2 6px)}.legend-note{margin-top:8px;font-size:12.5px;color:var(--muted)}.trail-board{padding:0;border:none;background:none}.tiles-board{padding:0}.trail-overlay{top:0;right:0;bottom:0;left:0;width:100%;height:100%}.bottom-bar{display:flex;justify-content:space-between;max-width:420px;margin:14px auto}.pill{border-radius:99px;padding:8px 22px;background:var(--accent);color:#fff;border-color:var(--accent)}.pill:disabled{background:var(--card);color:var(--muted);border-color:var(--line)}.outline{border-radius:99px;padding:8px 22px;border:2px solid var(--accent);color:var(--accent);background:transparent}.howto{max-width:420px;margin:8px auto;color:var(--muted);font-size:14px}.howto summary{cursor:pointer}.win-banner{position:fixed;left:50%;bottom:24px;transform:translate(-50%);background:var(--card);border:2px solid var(--accent);border-radius:16px;padding:16px 28px;text-align:center;z-index:10;box-shadow:0 8px 30px #00000040}.win-title{font-size:20px;font-weight:800;margin-bottom:4px}.win-streak{color:var(--muted);margin-bottom:10px}