:root{--cell-size: 44px;--cell-gap: 4px;--board-padding: 8px;--board-radius: 12px;--bg: #1a1a2e;--bg-elevated: #232342;--cell-empty: #2a2a3e;--cell-empty-border: #353553;--text: #ffffff;--text-muted: #a0a0c0;--accent: #ff5b8d;--shadow: 0 4px 12px rgba(0, 0, 0, .4);--c1: #4ecdc4;--c2: #ff6b6b;--c3: #ffe66d;--c4: #95e1d3;--c5: #f38181;--c6: #aa96da;--c7: #fcbad3;--c8: #a8e6cf;--c9: #ff8b94;--c10: #ffd3b6}:root[data-theme=original]{--bg: #1a1a2e;--bg-elevated: #232342;--cell-empty: #2a2a3e;--cell-empty-border: #353553;--text: #ffffff;--text-muted: #a0a0c0;--accent: #ff5b8d;--c1: #4ecdc4;--c2: #ff6b6b;--c3: #ffe66d;--c4: #95e1d3;--c5: #f38181;--c6: #aa96da;--c7: #fcbad3;--c8: #a8e6cf;--c9: #ff8b94;--c10: #ffd3b6}:root[data-theme=dark]{--bg: #000000;--bg-elevated: #0d0d0d;--cell-empty: #181818;--cell-empty-border: #2a2a2a;--text: #e0e0e0;--text-muted: #707070;--accent: #888888;--c1: #4a4a4a;--c2: #6a6a6a;--c3: #8a8a8a;--c4: #aaaaaa;--c5: #5a5a5a;--c6: #7a7a7a;--c7: #9a9a9a;--c8: #3a3a3a;--c9: #c0c0c0;--c10: #d0d0d0}:root[data-theme=pastel]{--bg: #fff5f7;--bg-elevated: #ffffff;--cell-empty: #ffe8ec;--cell-empty-border: #ffd6df;--text: #4a3a40;--text-muted: #8a7a82;--accent: #ff8fa3;--c1: #ffd6e0;--c2: #c7e9f1;--c3: #d4f4dd;--c4: #fff1c1;--c5: #e2d6f9;--c6: #fcd5ce;--c7: #c9e4de;--c8: #fae8d0;--c9: #d8e2dc;--c10: #ffe5d9}:root[data-theme=neon]{--bg: #0a0a0a;--bg-elevated: #141414;--cell-empty: #1a1a1a;--cell-empty-border: #2a2a2a;--text: #f0f0f0;--text-muted: #808080;--accent: #00ffe5;--c1: #00ffe5;--c2: #ff00ff;--c3: #00ff66;--c4: #ffff00;--c5: #ff0066;--c6: #00aaff;--c7: #ff8800;--c8: #aa00ff;--c9: #00ffaa;--c10: #ff00aa}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{margin:0;padding:0;height:100%;width:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg);color:var(--text);overflow:hidden;-webkit-user-select:none;user-select:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app{display:flex;flex-direction:column;align-items:center;justify-content:space-between;height:100dvh;width:100%;max-width:480px;margin:0 auto;padding:16px;gap:12px;background:var(--bg);touch-action:none;overscroll-behavior:none}.app__header{display:flex;align-items:center;justify-content:space-between;width:100%;padding:4px 8px}.app__title{font-size:24px;font-weight:800;letter-spacing:1px;color:var(--text);margin:0}.app__icon-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:20px;color:var(--text);transition:background .12s ease}.app__icon-btn:hover{background:var(--bg-elevated)}.app__footer{display:flex;gap:8px;width:100%;justify-content:center}.app__nav-btn{flex:1;padding:10px 12px;border-radius:8px;background:var(--bg-elevated);color:var(--text);font-weight:600;font-size:13px;transition:transform .1s ease,background .12s ease}.app__nav-btn:hover{background:var(--cell-empty)}.app__nav-btn:active{transform:scale(.97)}.board{display:grid;grid-template-columns:repeat(8,var(--cell-size));grid-template-rows:repeat(8,var(--cell-size));gap:var(--cell-gap);padding:var(--board-padding);background:var(--bg-elevated);border-radius:var(--board-radius);box-shadow:var(--shadow);position:relative;touch-action:none}.cell{width:var(--cell-size);height:var(--cell-size);border-radius:7px;background:var(--cell-empty);box-shadow:inset 0 2px 4px #00000073;transition:transform .12s ease}.cell--filled{border-color:transparent;background-image:linear-gradient(180deg,color-mix(in srgb,var(--c-fill),white 38%) 0%,var(--c-fill) 55%,color-mix(in srgb,var(--c-fill),black 28%) 100%);box-shadow:inset 0 1px #ffffff59,inset 0 -2px #00000040,0 2px 4px #0000004d}.cell--clearing{animation:cell-clear .32s ease forwards}.cell--placed{animation:cell-place .18s ease}.cell--ghost{opacity:.65;background-image:linear-gradient(180deg,color-mix(in srgb,var(--c-fill),white 38%) 0%,var(--c-fill) 55%,color-mix(in srgb,var(--c-fill),black 28%) 100%);box-shadow:inset 0 0 0 2px #ffffff8c,inset 0 0 0 4px #00000040,0 2px 4px #0000004d}.cell--ghost-invalid{opacity:.3;filter:grayscale(.6)}@keyframes cell-place{0%{transform:scale(.6);opacity:.4}to{transform:scale(1);opacity:1}}@keyframes cell-clear{0%{transform:scale(1);opacity:1}50%{transform:scale(1.15);opacity:.5}to{transform:scale(0);opacity:0}}.tray{display:flex;justify-content:space-around;align-items:center;width:100%;min-height:110px;padding:12px;background:var(--bg-elevated);border-radius:var(--board-radius);box-shadow:var(--shadow)}.tray__slot{flex:1;display:flex;align-items:center;justify-content:center;min-height:90px}.tray__slot--empty{opacity:.3}.shape{display:grid;gap:2px;cursor:grab;touch-action:none;transition:transform .12s ease}.shape:active{cursor:grabbing;transform:scale(1.05)}.shape__cell{width:18px;height:18px;border-radius:4px;background:transparent}.shape__cell--filled{border:1px solid transparent;background-image:linear-gradient(180deg,color-mix(in srgb,var(--c-fill),white 38%) 0%,var(--c-fill) 55%,color-mix(in srgb,var(--c-fill),black 28%) 100%);box-shadow:inset 0 1px #ffffff59,inset 0 -1px #00000040,0 1px 2px #0000004d}.scoreboard{display:flex;align-items:center;justify-content:space-between;width:100%;padding:8px 16px;background:var(--bg-elevated);border-radius:var(--board-radius)}.scoreboard__score{font-size:28px;font-weight:800;color:var(--accent)}.scoreboard__combo{font-size:14px;font-weight:700;color:var(--text-muted)}.scoreboard__combo--active{color:var(--accent)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100;animation:overlay-in .2s ease}@keyframes overlay-in{0%{opacity:0}to{opacity:1}}.modal{background:var(--bg-elevated);color:var(--text);border-radius:16px;padding:24px;width:90%;max-width:360px;box-shadow:var(--shadow);text-align:center;animation:modal-in .25s cubic-bezier(.18,.89,.32,1.28)}@keyframes modal-in{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}.modal__title{font-size:22px;font-weight:800;margin:0 0 8px}.modal__subtitle{font-size:14px;color:var(--text-muted);margin:0 0 16px}.modal__score{font-size:56px;font-weight:900;color:var(--accent);margin:12px 0}.modal__button{width:100%;padding:14px;border-radius:10px;background:var(--accent);color:#fff;font-weight:700;font-size:16px;margin-top:8px;transition:transform .1s ease}.modal__button:active{transform:scale(.97)}.modal__button--secondary{background:var(--cell-empty);color:var(--text);margin-top:6px}.theme-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%;padding:12px}.theme-card{border:2px solid transparent;border-radius:12px;padding:14px;background:var(--bg-elevated);cursor:pointer;text-align:left;transition:border-color .12s ease,transform .1s ease}.theme-card:hover{transform:translateY(-2px)}.theme-card--selected{border-color:var(--accent)}.theme-card__name{font-size:16px;font-weight:700;margin:0 0 4px;color:var(--text)}.theme-card__desc{font-size:12px;color:var(--text-muted);margin:0 0 10px}.theme-card__swatch{display:flex;gap:3px}.theme-card__swatch>div{width:18px;height:18px;border-radius:4px}.records{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%;padding:12px}.record-card{background:var(--bg-elevated);padding:16px;border-radius:12px;text-align:center}.record-card__value{font-size:28px;font-weight:800;color:var(--accent);margin:0}.record-card__label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin:4px 0 0}.drag-preview{position:fixed;left:0;top:0;pointer-events:none;z-index:1000;filter:drop-shadow(0 18px 20px rgba(0,0,0,.55)) drop-shadow(0 5px 6px rgba(0,0,0,.4)) drop-shadow(0 0 2px rgba(255,255,255,.4));will-change:transform;transition:opacity .14s ease}.drag-preview--free,.drag-preview--snapped{transition:opacity .14s ease}.drag-preview__inner{transition:transform .11s cubic-bezier(.2,.9,.3,1)}.drag-preview--free .drag-preview__inner{transform:translate(-50%,-50%) translateY(-8px)}.drag-preview--snapped .drag-preview__inner{transform:none}.drag-preview__cell{width:var(--cell-size);height:var(--cell-size);border-radius:6px;background:transparent;border:1px solid transparent}.drag-preview__cell--filled{background-image:linear-gradient(180deg,color-mix(in srgb,var(--c-fill),white 38%) 0%,var(--c-fill) 55%,color-mix(in srgb,var(--c-fill),black 28%) 100%);box-shadow:inset 0 1px #ffffff80,inset 0 -2px #00000047,0 4px 8px #00000073}.screen{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;gap:16px;padding:24px;touch-action:none;overscroll-behavior:none}.screen__title{font-size:36px;font-weight:900;letter-spacing:1px;margin:0;color:var(--text)}.screen__subtitle{font-size:14px;color:var(--text-muted);text-align:center;margin:0;max-width:280px}.screen__button{width:100%;max-width:280px;padding:16px;border-radius:12px;background:var(--accent);color:#fff;font-weight:700;font-size:16px;transition:transform .1s ease}.screen__button:active{transform:scale(.97)}.screen__button--secondary{background:var(--cell-empty);color:var(--text)}.coming-soon{background:var(--bg-elevated);padding:24px;border-radius:16px;text-align:center;max-width:280px}.coming-soon__badge{display:inline-block;background:var(--accent);color:#fff;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.5px;margin-bottom:8px}@media (max-width: 380px){:root{--cell-size: 36px;--cell-gap: 3px}.shape__cell{width:14px;height:14px}}@media (min-width: 481px){:root{--cell-size: 52px;--cell-gap: 5px}.shape__cell{width:22px;height:22px}}