/*! universe — styles.css © 2026 2bworks. All rights reserved. https://2bworks.games */
:root{--bg: #0a0a0a;--board-panel: #242424;--card: #000000;--outline: rgba(255, 255, 255, .92);--square: #2f2f2f;--given: #1e3346;--op: #efbc4a;--op-deep: #8a6414;--player: #5cc8f7;--player-deep: #14506e;--accent: #ab8dfa;--bad: #ff5722;--light: #e3e3e3;--primary-text: #0a0a0a;--text: #ffffff;--muted: #9b9b9b}body.light{--bg: #f1f1f4;--board-panel: #dededf;--card: #ffffff;--outline: rgba(0, 0, 0, .88);--square: #c9c9cf;--given: #b9d2e8;--light: #14141a;--primary-text: #f4f4f6;--text: #101014;--muted: #5c5c66}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,system-ui,sans-serif;-webkit-tap-highlight-color:transparent}.app{max-width:460px;height:100vh;height:100dvh;margin:0 auto;padding:max(10px,env(safe-area-inset-top)) 12px calc(12px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:10px}.bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.tools{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end;margin-left:auto}[hidden]{display:none}select{background:var(--card);color:var(--text);border:2px solid var(--outline);border-radius:999px;padding:8px 14px;font-size:15px;font-weight:700}.clock{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text)}.left{font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--muted)}.viewport{position:relative;flex:1 1 auto;min-height:0;overflow:hidden;border-radius:26px;background:var(--board-panel);touch-action:none;overscroll-behavior:contain;display:grid;place-items:center}.stage{position:relative}.board{position:relative;display:grid;grid-template-columns:repeat(var(--cols, 6),var(--cell));gap:var(--gap);padding:var(--pad)}.cell{width:var(--cell);height:var(--cell);border-radius:calc(var(--cell) * .18);background:var(--square);display:grid;place-items:center;transition:background-color .18s ease,transform .12s ease}.cell.given{background:var(--given)}.cell .star,.cell .planet{display:none}.cell.v1 .star{display:block;width:calc(var(--cell) * .62);height:calc(var(--cell) * .62);background:var(--op);clip-path:polygon(50% 2%,62% 36%,98% 36%,69% 57%,80% 92%,50% 70%,20% 92%,31% 57%,2% 36%,38% 36%);filter:drop-shadow(0 1px 0 var(--op-deep))}.cell.v2 .planet{display:block;position:relative;width:calc(var(--cell) * .48);height:calc(var(--cell) * .48);border-radius:50%;background:var(--player)}.cell.v2 .planet:after{content:"";position:absolute;left:50%;top:50%;width:150%;height:44%;border:solid var(--player-deep);border-width:2px;border-radius:50%;transform:translate(-50%,-50%) rotate(-24deg)}.mark{position:absolute;width:calc(var(--cell) * .34);height:calc(var(--cell) * .34);border-radius:calc(var(--cell) * .08);background:var(--card);border:1px solid var(--outline);color:var(--text);display:grid;place-items:center;font-size:calc(var(--cell) * .24);font-weight:800;z-index:2;pointer-events:none;transform:translate(-50%,-50%)}.mark.right{left:calc(var(--pad) + var(--mc) * (var(--cell) + var(--gap)) + var(--cell) + var(--gap) / 2);top:calc(var(--pad) + var(--mr) * (var(--cell) + var(--gap)) + var(--cell) / 2)}.mark.down{left:calc(var(--pad) + var(--mc) * (var(--cell) + var(--gap)) + var(--cell) / 2);top:calc(var(--pad) + var(--mr) * (var(--cell) + var(--gap)) + var(--cell) + var(--gap) / 2)}.cell.wrong{background:var(--bad);transform:scale(.94)}.cell.hint{box-shadow:inset 0 0 0 3px var(--accent);animation:pulse .5s ease-in-out 2}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}.cell.cursor{box-shadow:inset 0 0 0 3px var(--accent)}.btn{background:var(--card);color:var(--text);border:2px solid var(--outline);border-radius:999px;padding:16px 20px;font-size:17px;font-weight:700;cursor:pointer}.btn.mini{padding:5px 9px;font-size:12px;border-width:1px}.btn:active{transform:scale(.97)}.btn.primary{background:var(--light);border-color:var(--light);color:var(--primary-text)}.btn.hidden{display:none}.overlay{position:fixed;inset:0;background:#000000b8;display:grid;place-items:center;padding:20px;z-index:30}.overlay.hidden{display:none}.panel{background:var(--card);border-radius:22px;border:2px solid var(--outline);padding:26px 22px;text-align:center;max-width:320px;width:100%}.panel h2{margin:0 0 8px;font-size:28px;font-weight:800}.panel p{margin:0 0 18px;color:var(--muted);font-size:15px;line-height:1.5}.panel .btn{width:100%}.panel .btn+.btn{margin-top:10px}