:root{--bg: #f4f6fb;--surface: #ffffff;--surface-2: #eef1f7;--line: #dce1ea;--text: #1b2230;--text-dim: #5f6b7c;--accent: #f59e0b;--accent-text: #b45309;--ink: #3a2a05;--good: #0f9d6b;--radius: 16px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overscroll-behavior:none;-webkit-user-select:none;user-select:none}#app{height:100%;overflow:hidden;display:flex;flex-direction:column}.screen{flex:1;min-height:0;display:flex;flex-direction:column}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:999px;padding:16px 28px;font-size:18px;font-weight:800;background:var(--accent);color:var(--ink);cursor:pointer;transition:transform .08s ease}.btn:active{transform:scale(.97)}.icon-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--surface-2);color:var(--text);border:none;width:38px;height:38px;border-radius:11px;font-size:19px;line-height:1;cursor:pointer;flex:none}.search-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 15px;background:var(--surface-2);color:var(--text);border:none;border-radius:999px;font-size:14px;font-weight:700;line-height:1;cursor:pointer;flex:none}.search-btn:active{background:var(--line)}.topbar{display:flex;align-items:center;gap:12px;padding:calc(var(--safe-top) + 12px) 16px 12px;flex:none}.topbar-title{font-size:17px;font-weight:700}.topbar-note{margin-left:auto;font-size:13px;color:var(--text-dim);font-variant-numeric:tabular-nums}.topbar-action{margin-left:auto}.topbar-tools{display:flex;align-items:center;gap:8px}.search-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#1016226b;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;justify-content:center;padding:calc(var(--safe-top) + 12px) 12px 12px}.search-panel{width:100%;max-width:440px;display:flex;flex-direction:column;gap:8px;max-height:100%}.search-bar{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:8px 10px 8px 12px;box-shadow:0 8px 30px #1016222e}.search-icon{font-size:15px;opacity:.7}.search-input{flex:1;min-width:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;font-size:16px;color:var(--text);outline:none}.search-cancel{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;color:var(--accent-text);font-size:14px;font-weight:700;padding:4px 6px;cursor:pointer;flex:none}.search-results{overflow-y:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;gap:6px}.search-results.has-results{background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:6px;box-shadow:0 8px 30px #1016222e}.search-item{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;text-align:left;display:flex;align-items:center;gap:10px;padding:10px;border-radius:9px;cursor:pointer}.search-item:active{background:var(--surface-2)}.search-item-name{flex:1;min-width:0;font-size:15px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-tag{flex:none;font-size:12px;font-weight:600;color:var(--text-dim);background:var(--surface-2);border-radius:999px;padding:3px 9px;max-width:48%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-tag.tag-region{color:var(--accent-text);background:#f59e0b29}.screen-body{flex:1;min-height:0;padding:4px 16px calc(var(--safe-bottom) + 16px);display:flex;flex-direction:column;gap:10px}.home{padding:calc(var(--safe-top) + 28px) 22px calc(var(--safe-bottom) + 28px);align-items:center;text-align:center;gap:14px}.home-top{margin-top:18px}.home-title{font-size:58px;letter-spacing:-2px;margin:0}.home-tag{color:var(--text-dim);font-size:17px;margin:6px 0 0;max-width:19em}.home-art{flex:1;display:flex;align-items:center;justify-content:center;font-size:110px;filter:drop-shadow(0 12px 18px rgba(0,0,0,.12))}.home-play{width:100%;max-width:320px}.home-note{color:var(--text-dim);font-size:14px;margin:2px 0 0}.jig-body{gap:8px;overflow:hidden}.jig-header{display:flex;flex-direction:column;gap:3px;flex:none}.jig-stats{font-size:12px;font-weight:600;color:var(--text-dim);font-variant-numeric:tabular-nums}.jig-crumb-row{display:flex;align-items:center;gap:10px;flex:none}.jig-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:2px 4px;flex:1;min-width:0;line-height:1.3}.jig-crumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:none;padding:1px 2px;font-size:13px;font-weight:600;color:var(--accent-text);cursor:pointer}.jig-crumb.current{color:var(--text);font-weight:800;cursor:default}.jig-crumb-sep{color:var(--text-dim);font-size:12px}.jig-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--line);background:var(--surface-2);color:var(--text);font-size:13px;font-weight:700;padding:7px 12px;border-radius:9px;cursor:pointer}.jig-btn:active{background:var(--line)}.jig-topbtn{flex:none;min-width:70px;text-align:center}.jig-scramble{background:var(--accent);border-color:var(--accent);color:var(--ink)}.jig-scramble:active{background:var(--accent);filter:brightness(.94)}.jig-tray-solved{position:absolute;left:0;right:0;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center;gap:9px;pointer-events:none}.jig-tray-solved .jig-scramble{pointer-events:auto;font-size:15px;padding:12px 24px;border-radius:999px;box-shadow:0 6px 16px #f59e0b52}.jig-tray-solved .jig-scramble:active{transform:scale(.97);filter:brightness(.94)}.jig-tip{font-size:12.5px;font-weight:600;color:var(--text-dim);opacity:.55;transition:opacity .35s ease}.jig-tip.cue{opacity:1;animation:tip-nudge .5s ease both}@keyframes tip-nudge{0%{transform:scale(1)}45%{transform:scale(1.13)}to{transform:scale(1)}}.jig-board{position:relative;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;width:100%;flex:1;min-height:0}.jig-stage{position:absolute;top:0;right:0;bottom:0;left:0}.jig-canvas{position:absolute;background:#fbfcfe;border:1px solid var(--line);border-radius:14px;box-shadow:inset 0 1px 3px #1b22300d}.jig-tray-hint{position:absolute;left:0;right:0;transform:translateY(-50%);text-align:center;font-size:12px;font-weight:700;letter-spacing:.3px;color:var(--text-dim);pointer-events:none}.jig-toast{position:absolute;top:14px;left:50%;transform:translate(-50%,-10px);background:#1b2230f0;color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;font-weight:700;box-shadow:0 8px 24px #0003;opacity:0;transition:opacity .25s ease,transform .25s ease;pointer-events:none;white-space:nowrap}.jig-toast.show{opacity:1;transform:translate(-50%)}.jig{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.jig-label,.jig-labels{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.jig-piece{cursor:grab}.jig-piece.exploding{transition:transform .6s cubic-bezier(.22,1,.36,1)}.jig-piece.dragging{cursor:grabbing}.jig-piece.placed{cursor:default}.jig-shape{fill:#9fb0cb;stroke:#fff;stroke-width:3;stroke-linejoin:round}.jig-piece.zoomy .jig-shape{fill:#aebbd2}.jig-piece.leaf .jig-shape{fill:#93a3c0;stroke-width:6}.jig-piece.dragging .jig-shape{filter:drop-shadow(0 6px 9px rgba(0,0,0,.32))}.jig-piece.placed .jig-shape{fill:var(--fill, #9bdcc1)}.jig-piece.collapsing .jig-shape{fill:var(--fill);stroke:var(--fill);transition:fill .45s ease,stroke .45s ease}.jig-collapse-name{fill:#0c1320;font-weight:800;letter-spacing:-.4px;paint-order:stroke;stroke:#fff;stroke-width:8px;stroke-linejoin:round;stroke-linecap:round}.jig-piece.seed .jig-shape{filter:drop-shadow(0 3px 5px rgba(0,0,0,.22))}.jig-piece.settling,.jig-label-wrap.settling{transition:transform .28s ease}.jig-piece.snapping,.jig-label-wrap.snapping{transition:transform .15s cubic-bezier(.34,1.56,.64,1)}.jig-fx,.jig-paddle{pointer-events:none}.jig-paddle-line{stroke:#1b223080;stroke-width:7;stroke-linecap:round}.jig-paddle-dot{fill:#1b223038;stroke:#1b223080;stroke-width:3}.jig-burst line{stroke:var(--accent);stroke-width:5;stroke-linecap:round}.jig-burst-ring{fill:none;stroke:var(--accent);stroke-width:4}.jig-glows{pointer-events:none}.jig-glow{fill:none;stroke:var(--accent);stroke-linecap:round;stroke-linejoin:round;stroke-width:calc(3px + 7px * var(--glow, 0));filter:drop-shadow(0 0 calc(11px * var(--glow, 0)) rgba(245,158,11,var(--glow, 0)))}.jig-connector{stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:5 8;opacity:calc(.55 * var(--glow, 0))}.jig-labels{pointer-events:none}.jig-label-wrap.exploding{transition:transform .6s cubic-bezier(.22,1,.36,1)}.jig-label{fill:#0c1320;font-weight:800;letter-spacing:-.4px;paint-order:stroke;stroke:#fff;stroke-linejoin:round;stroke-linecap:round}.jig-leader{stroke:#141c2e80;stroke-width:1.6}.jig-dot{fill:#141c2ee0;stroke:#fff;stroke-width:1.5}@keyframes jig-flash{0%,to{fill:var(--fill, #9bdcc1)}50%{fill:var(--accent)}}.jig-piece.flash .jig-shape{animation:jig-flash .55s ease-in-out 3}.jig-piece.zoomable,.jig-piece.selectable{cursor:pointer}.jig-piece.zoomable .jig-shape,.jig-piece.selectable .jig-shape{transition:fill .15s ease}.jig-piece.zoomable:active .jig-shape,.jig-piece.selectable:active .jig-shape{fill:var(--accent)}.card-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:24px;background:#141a2673;opacity:0;transition:opacity .2s ease}.card-backdrop.show{opacity:1}.card{position:relative;width:100%;max-width:340px;background:var(--surface);border-radius:20px;padding:18px 20px 22px;box-shadow:0 24px 60px #00000059;text-align:center;transform:scale(.92);transition:transform .2s cubic-bezier(.22,1,.36,1)}.card-backdrop.show .card{transform:scale(1)}.card-close{position:absolute;top:10px;right:10px;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:var(--surface-2);color:var(--text-dim);width:32px;height:32px;border-radius:50%;font-size:15px;cursor:pointer}.card-close:active{background:var(--line)}.card-shape{width:150px;height:116px;margin:4px auto 2px;display:block}.card-shape-path{fill:#f59e0b2e;stroke:var(--accent);stroke-width:2.5;stroke-linejoin:round}.card-name{font-size:26px;letter-spacing:-.6px;margin:6px 0 10px}.card-meta{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-bottom:12px}.card-chip{font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;background:var(--surface-2);color:var(--text-dim)}.card-chip.card-region{background:#f59e0b29;color:var(--accent-text)}.card-pop{font-size:15px;color:var(--text-dim)}.card-pop b{color:var(--text);font-size:17px}.card-fact{margin:12px 0 0;font-size:14px;line-height:1.45;color:var(--text);background:var(--surface-2);border-radius:12px;padding:11px 13px;text-align:left}.home-report{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;color:var(--text-dim);font-size:13px;font-weight:600;text-decoration:underline;cursor:pointer;margin-top:4px}.report-link{position:fixed;left:12px;bottom:10px;z-index:20;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;color:var(--text-dim);font-size:12px;font-weight:600;text-decoration:underline;opacity:.65;cursor:pointer}.report-link:hover{opacity:1}.bug-card{max-width:400px;text-align:left}.bug-title{font-size:22px;margin:2px 0 6px}.bug-note{color:var(--text-dim);font-size:13px;line-height:1.4;margin:0 0 12px}.bug-input{width:100%;min-height:88px;resize:vertical;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--surface-2);color:var(--text);font:inherit;font-size:16px;outline:none}.bug-input:focus{border-color:var(--accent)}.bug-email{width:100%;margin-top:8px;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--surface-2);color:var(--text);font:inherit;font-size:16px;outline:none}.bug-email:focus{border-color:var(--accent)}.bug-status{min-height:18px;margin:8px 0 0;font-size:13px;color:var(--text-dim)}.bug-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:12px}.bug-action{padding:10px 18px;font-size:14px}.bug-send{background:var(--accent);border-color:var(--accent);color:var(--ink)}.bug-send:disabled{opacity:.6;cursor:default}.bug-alt{margin:12px 0 0;font-size:13px;color:var(--text-dim)}.bug-mail{color:var(--accent);font-weight:600}