:root{--bg-color: #242424;--text-color: rgba(255, 255, 255, .87);--button-bg-color: #1a1a1a;--button-text-color: rgba(255, 255, 255, .87);--piece-color: #4c4a4a;color-scheme:dark;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:var(--text-color);background-color:var(--bg-color);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.light-mode{--bg-color: #fafafa;--text-color: #484b6a;--button-bg-color: #e4e5f1;--button-text-color: #484b6a;--piece-color: #d2d3db;color-scheme:light}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}main{width:100vw;height:100vh}body{background-color:var(--bg-color);color:var(--text-color);margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}.card{padding:2em}#app{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--button-bg-color);cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.solve.svelte-1v2tbxz{display:flex;flex-direction:column;justify-content:center;align-items:center;padding-top:20px}.button-container.svelte-1v2tbxz{display:flex;flex-direction:column;gap:8px;align-items:center;width:100%}.button-row.svelte-1v2tbxz{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.random-button-group.svelte-1v2tbxz{position:relative;display:flex;align-items:stretch}.random-main.svelte-1v2tbxz{border-top-right-radius:0;border-bottom-right-radius:0;margin:0}.dropdown-toggle.svelte-1v2tbxz{padding:0 8px;border-top-left-radius:0;border-bottom-left-radius:0;margin:0;cursor:pointer}.separator.svelte-1v2tbxz{width:1px;background-color:var(--text-color);margin:0}.random-dropdown.svelte-1v2tbxz{position:absolute;top:100%;right:0;background:var(--button-bg-color);border:1px solid var(--text-color);border-radius:4px;padding:12px;margin-top:4px;z-index:100;box-shadow:0 2px 4px #0000001a}.slider-container.svelte-1v2tbxz{display:flex;flex-direction:column;gap:8px}.piece-count.svelte-1v2tbxz{font-size:14px}.piece-slider.svelte-1v2tbxz{width:150px}.solve.svelte-1v2tbxz{position:relative}h2.svelte-1v2tbxz{position:absolute;top:120%;left:50%;transform:translate(-50%);width:max-content;margin:0;visibility:hidden}h2.svelte-1v2tbxz:not(:empty){visibility:visible}@media (min-width: 768px){.button-container.svelte-1v2tbxz{flex-direction:row;flex-wrap:nowrap}}@media (max-width: 480px){h2.svelte-1v2tbxz{font-size:1rem;max-width:90vw;white-space:normal;text-align:center}}.sidebar-container.svelte-15rz9h0{position:fixed;top:0;left:0;height:100dvh;z-index:3}.sidebar.svelte-15rz9h0{position:absolute;top:0;left:0;height:100%;width:350px;background-color:var(--piece-color);transition:transform .3s ease-in-out;transform:translate(-100%);z-index:3;display:flex;flex-direction:column}.sidebar.open.svelte-15rz9h0{transform:translate(0)}.sidebar.dragging.svelte-15rz9h0{transition:none}.toggle-btn.svelte-15rz9h0{position:absolute;top:10px;padding:5px 10px;font-size:12px;z-index:4;transition:transform .3s ease-in-out;transform:translate(0)}.toggle-btn.open.svelte-15rz9h0{transform:translate(300px)}.sidebar-content.svelte-15rz9h0{padding:20px;overflow-y:auto;flex-grow:1}.sidebar-content.svelte-15rz9h0::-webkit-scrollbar{width:0px;background:transparent}@supports (overflow: overlay){.sidebar-content.svelte-15rz9h0{overflow-y:overlay}}@media (max-width: 768px){.sidebar.svelte-15rz9h0{width:100vw}.toggle-btn.svelte-15rz9h0{top:40px}.toggle-btn.open.svelte-15rz9h0{transform:translate(88vw)}}button.svelte-1qxl46v{background:none;border:none;font-size:1.5rem;cursor:pointer}.countdown-container.svelte-1knpn7d{display:flex;align-items:center;gap:8px}.countdown-setup.svelte-1knpn7d{display:flex;flex-direction:column;align-items:center;gap:6px}.time-selector.svelte-1knpn7d{position:relative;display:flex;align-items:center;gap:4px;padding:6px 10px;cursor:pointer;border-radius:6px;background:var(--button-bg-color, #1a1a1a);color:var(--button-text-color, white);font-size:13px;font-weight:500;min-width:70px;border:1px solid transparent}.time-selector.svelte-1knpn7d:hover{opacity:.9}.time-label.svelte-1knpn7d{color:var(--button-text-color, white)}.dropdown-arrow.svelte-1knpn7d{font-size:10px;transition:transform .2s ease;color:var(--button-text-color, white);margin-left:auto}.dropdown-arrow.open.svelte-1knpn7d{transform:rotate(180deg)}.time-dropdown.svelte-1knpn7d{position:absolute;top:100%;left:0;right:0;margin-top:4px;background:var(--bg-color, white);border:1px solid var(--border-color, #ddd);border-radius:6px;box-shadow:0 4px 12px #00000026;z-index:100;min-width:90px}.time-option.svelte-1knpn7d{display:block;width:100%;padding:8px 12px;border:none;background:none;text-align:left;cursor:pointer;font-size:13px;color:var(--text-color, #333);transition:background .15s ease;touch-action:manipulation}.time-option.svelte-1knpn7d:hover{background:var(--hover-color, #f5f5f5)}.time-option.selected.svelte-1knpn7d{background:var(--accent-color, #4a90d9);color:#fff}.dropdown-divider.svelte-1knpn7d{height:1px;background:var(--border-color, #ddd);margin:4px 0}.custom-option.svelte-1knpn7d{font-style:italic;opacity:.85}.custom-input-row.svelte-1knpn7d{display:flex;align-items:center;gap:6px;padding:6px 8px}.custom-time-input.svelte-1knpn7d{flex:1;padding:6px 8px;border:1px solid var(--border-color, #ddd);border-radius:4px;font-size:16px;background:var(--bg-color, white);color:var(--text-color, #333);text-align:center;width:50px}.custom-time-input.svelte-1knpn7d:focus{outline:none;border-color:var(--accent-color, #4a90d9);box-shadow:0 0 0 2px #4a90d933}.custom-time-input.svelte-1knpn7d::placeholder{color:var(--text-muted, #999);font-size:11px}.start-btn.svelte-1knpn7d{display:flex;align-items:center;gap:6px;padding:8px 14px;border:none;border-radius:6px;background:linear-gradient(135deg,#e85d04,#dc2f02);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s ease;touch-action:manipulation}.start-btn.svelte-1knpn7d:hover{background:linear-gradient(135deg,#dc2f02,#9d0208);transform:translateY(-1px);box-shadow:0 2px 8px #e85d0466}.start-btn.svelte-1knpn7d:active{transform:translateY(0)}.cancel-btn.svelte-1knpn7d{display:flex;align-items:center;gap:6px;padding:8px 14px;border:none;border-radius:6px;background:var(--button-bg-color, #e0e0e0);color:var(--text-color, #333);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease;touch-action:manipulation}.cancel-btn.svelte-1knpn7d:hover{background:var(--hover-color, #d0d0d0)}@media (max-width: 480px){.countdown-setup.svelte-1knpn7d{flex-direction:column;padding:6px}.start-btn.svelte-1knpn7d,.time-selector.svelte-1knpn7d{width:100%;justify-content:center}.time-dropdown.svelte-1knpn7d{left:0;right:0;min-width:120px;transform:none}.custom-input-row.svelte-1knpn7d{padding:8px 10px}.custom-time-input.svelte-1knpn7d{width:100%;min-width:60px;padding:8px 10px;font-size:16px}}.full-app.svelte-1vmrapx.svelte-1vmrapx{display:flex;flex-direction:column;gap:15px;margin:0 auto;padding:10px;max-width:100%;box-sizing:border-box}[draggable=true].svelte-1vmrapx.svelte-1vmrapx{z-index:1}.title.svelte-1vmrapx.svelte-1vmrapx{text-align:center;font-size:2rem;margin-bottom:10px}.board.svelte-1vmrapx.svelte-1vmrapx{display:flex;flex-direction:column;gap:0}.row.svelte-1vmrapx.svelte-1vmrapx{display:flex;justify-content:center;gap:0}.circle.svelte-1vmrapx.svelte-1vmrapx{width:30px;height:30px;border-radius:50%;display:flex;justify-content:center;align-items:center;font-size:18px;padding:5px;box-sizing:content-box;background-clip:content-box;cursor:pointer}.pieces.svelte-1vmrapx.svelte-1vmrapx{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:10px;padding:0 10px;margin-top:20px}.piece-container.svelte-1vmrapx.svelte-1vmrapx{display:flex;flex-direction:column;align-items:center}.piece.svelte-1vmrapx.svelte-1vmrapx{cursor:move;margin-bottom:5px;padding:5px;border:2px solid transparent}.piece.selected.svelte-1vmrapx.svelte-1vmrapx{border-color:var(--button-text-color)}.piece.dragging.svelte-1vmrapx.svelte-1vmrapx{border-color:transparent}.piece.placed.svelte-1vmrapx.svelte-1vmrapx{cursor:not-allowed;opacity:.1}.piece-row.svelte-1vmrapx.svelte-1vmrapx{display:flex}.piece-cell.svelte-1vmrapx.svelte-1vmrapx{width:20px;height:20px}.circle.hovered.svelte-1vmrapx.svelte-1vmrapx{opacity:.2}.piece-buttons.svelte-1vmrapx.svelte-1vmrapx{display:flex;justify-content:center;gap:5px}.piece-buttons.svelte-1vmrapx button.svelte-1vmrapx{padding:5px 10px;font-size:12px;touch-action:manipulation}.controls.svelte-1vmrapx.svelte-1vmrapx{position:absolute;top:1rem;right:1rem;z-index:2;display:flex;flex-direction:column;align-items:flex-end;gap:10px}.timer-container.svelte-1vmrapx.svelte-1vmrapx{display:flex;align-items:center}.timer.svelte-1vmrapx.svelte-1vmrapx{font-size:1rem;font-weight:700;padding:4px 10px;border-radius:6px;transition:all .3s ease}.timer.countdown-mode.svelte-1vmrapx.svelte-1vmrapx{background:linear-gradient(135deg,#2d7d46,#236b3a);color:#fff;animation:svelte-1vmrapx-pulse-glow 2s ease-in-out infinite}.timer.countdown-warning.svelte-1vmrapx.svelte-1vmrapx{background:linear-gradient(135deg,#e6a817,#cc8f00);color:#fff;animation:svelte-1vmrapx-warning-pulse 1.5s ease-in-out infinite}.timer.urgent.svelte-1vmrapx.svelte-1vmrapx{background:linear-gradient(135deg,#d94a4a,#bd3535);color:#fff;animation:svelte-1vmrapx-urgent-pulse .5s ease-in-out infinite}@keyframes svelte-1vmrapx-pulse-glow{0%,to{box-shadow:0 0 5px #2d7d464d}50%{box-shadow:0 0 15px #2d7d4680}}@keyframes svelte-1vmrapx-warning-pulse{0%,to{box-shadow:0 0 5px #e6a8174d}50%{box-shadow:0 0 12px #e6a81780}}@keyframes svelte-1vmrapx-urgent-pulse{0%,to{box-shadow:0 0 5px #d94a4a66;transform:scale(1)}50%{box-shadow:0 0 20px #d94a4ab3;transform:scale(1.02)}}.countdown-wrapper.svelte-1vmrapx.svelte-1vmrapx{display:flex;justify-content:flex-end}@media (max-width: 768px){.circle.svelte-1vmrapx.svelte-1vmrapx{width:25px;height:25px}.piece-cell.svelte-1vmrapx.svelte-1vmrapx{width:15px;height:15px}.piece-buttons.svelte-1vmrapx button.svelte-1vmrapx{padding:3px 6px;font-size:11px;touch-action:manipulation}.board.svelte-1vmrapx.svelte-1vmrapx{transform:scale(.9);margin:0 auto}.controls.svelte-1vmrapx.svelte-1vmrapx{position:static;width:100%;order:-1;align-items:center}.timer-container.svelte-1vmrapx.svelte-1vmrapx{display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0;margin:0}.countdown-wrapper.svelte-1vmrapx.svelte-1vmrapx{justify-content:center;width:100%}}@media (max-width: 480px){.circle.svelte-1vmrapx.svelte-1vmrapx{width:25;height:25}.board.svelte-1vmrapx.svelte-1vmrapx{transform:scale(.8)}.piece-container.svelte-1vmrapx.svelte-1vmrapx{max-width:90px}}