:root{color-scheme:light;--ink:#22273f;--muted:#657088;--paper:#f8f6f0;--line:#e2e4ec;--purple:#5c4ac7;--aqua:#bceadb}
*{box-sizing:border-box}body{margin:0;color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif;background:radial-gradient(circle at 90% 9%,#dcd5ff 0,transparent 36%),radial-gradient(circle at 3% 47%,#e0f8eb 0,transparent 35%),var(--paper)}
a{color:inherit}button,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}
.shell{width:min(1110px,calc(100% - 32px));margin:auto}.topbar{padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:14px}.brand{font-size:1.3rem;font-weight:900;letter-spacing:-.05em;text-decoration:none}.brand-mark{display:inline-grid;place-items:center;width:34px;height:34px;margin-right:6px;background:#cdc5fd;border-radius:11px}.toplinks{display:flex;gap:19px}.toplinks a{text-decoration:none;font-size:.9rem;font-weight:750}
.intro{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:15px 0 30px}.kicker{font-size:.72rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase;border-radius:99px;background:#d3f4e2;padding:6px 13px}h1{margin:12px 0 9px;font-size:clamp(2.8rem,7.2vw,5.1rem);letter-spacing:-.075em;line-height:1}h1 span{color:var(--purple)}.lead{margin:0;max-width:580px;color:var(--muted);font-size:1.04rem}.doodle{font-size:4.5rem;transform:rotate(-12deg);background:#fff;box-shadow:8px 8px 0 #cfc8fa;border:2px solid #252842;border-radius:24px;padding:7px 20px}
.layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(290px,.85fr);gap:22px;align-items:start;padding-bottom:60px}.card{background:white;border:1px solid var(--line);border-radius:23px;box-shadow:0 15px 35px #24243d0a}.game-card{padding:24px}.game-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:15px}.game-head h2{font-size:1.42rem;letter-spacing:-.035em;margin:0}.micro{display:block;text-transform:uppercase;letter-spacing:.075em;font-size:.7rem;color:#7a8197;font-weight:850;margin-bottom:4px}.note{font-size:.81rem;color:var(--muted);margin:5px 0}.picker{min-width:155px;width:205px}select{background:#f4f2ff;border:1px solid #dcd8f1;border-radius:11px;padding:10px 8px;width:100%;font-weight:730;color:#343354}
.endless-controls{display:flex;align-items:end;gap:11px;flex-wrap:wrap;background:#f2f0ff;border:1px solid #e0dbfd;border-radius:16px;padding:13px;margin-bottom:14px}.endless-controls[hidden]{display:none}.endless-controls label{flex:1;min-width:140px}.new-puzzle{background:#5547b6;color:white;border:none;border-radius:11px;font-weight:800;padding:11px 16px}.endless-controls .note{flex-basis:100%;margin:0}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.stat{padding:11px 13px;background:#f4f5fa;border-radius:13px}.stat:first-child{background:#e9e5ff}.stat strong{display:block;font-size:1.5rem;line-height:1.2;font-variant-numeric:tabular-nums}.status{color:#535e79;font-size:.89rem;font-weight:730;min-height:25px;text-align:center;margin:15px 0}
.board-wrap{max-width:490px;margin:auto}.board{--n:4;display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));aspect-ratio:1;gap:6px;background:#e5e1fa;border:3px solid #32314a;border-radius:22px;padding:10px;box-shadow:0 5px 0 #ada5d3}.tile{aspect-ratio:1;border-radius:12px;border:2px solid #d8d6e6;background:#fcfdff;min-width:0;position:relative;display:grid;place-items:center;padding:0;color:#3b3b5c;touch-action:manipulation;user-select:none;transition:transform .12s,background .12s,border-color .12s}.tile:hover{border-color:#8a7de0}.tile:active:not(:disabled){transform:scale(.96)}.tile:focus-visible{outline:3px solid #f6a05b;outline-offset:1px;z-index:3}.tile.hinted{outline:4px solid #f6b34f;outline-offset:0;z-index:2}.tile.anchor{background:#fff0d9;border-color:#ebc28d}.tile .center{font-size:clamp(.8rem,2.5vw,1.45rem);font-weight:900;color:#5a5187;opacity:.6}.tile .port{position:absolute;border-radius:8px;background:var(--port);box-shadow:0 1px 2px #20263b1a}.port.top,.port.bottom{height:15%;width:44%;left:28%}.port.top{top:0}.port.bottom{bottom:0}.port.left,.port.right{width:15%;height:44%;top:28%}.port.left{left:0}.port.right{right:0}.tile .lock{position:absolute;right:4px;bottom:2px;font-size:clamp(.65rem,2vw,.9rem)}.tile .spin{position:absolute;left:4px;bottom:0;font-size:clamp(.55rem,1.7vw,.8rem);color:#9088ae}.tile.anchor .spin{display:none}
.tile.pulse{background:#eceef8}.tile.pulse .orb{width:63%;height:63%;border-radius:50%;display:grid;place-items:center;background:#c4c7d3;box-shadow:inset 0 4px 6px #33334b25;font-size:clamp(.95rem,3vw,1.7rem);color:#74798d;transition:background .15s,box-shadow .15s}.tile.pulse.lit{background:#eaf8ed;border-color:#b4e8c5}.tile.pulse.lit .orb{color:#fff;background:radial-gradient(circle at 30% 25%,#baf6d6,#35bd89 62%,#17816a);box-shadow:0 0 17px #37b98085,inset 0 -3px 4px #23765766}.tile.pulse.hinted{border-color:#f39d32}
.progress{margin:18px 0 10px;background:#ecebf5;height:8px;border-radius:15px;overflow:hidden}.progress>span{display:block;height:100%;background:linear-gradient(90deg,#6cc9af,#6a55d6);width:0;transition:width .16s}.board-foot{display:flex;justify-content:space-between;gap:10px;font-size:.8rem;font-weight:730;color:#6a7083;margin-bottom:18px}.actions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.actions button,.win-actions button{background:#fff;border:1px solid #dddbea;border-radius:12px;padding:11px 6px;font-weight:820;color:#34364b}.actions .primary,.win-actions button:first-child{background:#36314f;color:white}.win{padding:19px;background:#edf9ef;border:1px solid #bee8ce;border-radius:18px;margin-top:17px}.win[hidden]{display:none}.win h3{margin:0 0 5px}.win p{margin:0 0 14px;color:#506858}.win-actions{display:flex;gap:9px;flex-wrap:wrap}.win-actions button{padding:10px 15px}
.sidebar{display:grid;gap:18px}.sidebar .card{padding:22px}.sidebar h2{margin:0 0 12px;font-size:1.18rem}.sidebar ol{margin:0;padding-left:21px}.sidebar li{margin:0 0 13px;color:#646c80;font-size:.9rem}.sidebar li strong{color:#313b52}.notice{background:#f2efff;border-radius:12px;padding:12px;color:#5f5c78;font-size:.84rem}.score{background:#effbf3}.score-row{display:flex;justify-content:space-between;gap:15px;font-size:.87rem;margin:12px 0}.remember{border-top:1px solid #d1ebdb;padding-top:14px;margin-top:12px;display:flex;gap:9px;cursor:pointer}.remember input{width:19px;height:19px;accent-color:#6052bb;margin:1px 0;flex-shrink:0}.remember strong{display:block;font-size:.85rem}.remember small{display:block;font-size:.77rem;line-height:1.5;color:#54655b;margin-top:4px}.nextup{background:#fff2e7}.nextup p{font-size:.88rem;color:var(--muted)}.nextup a{font-size:.89rem;font-weight:800;color:#5144aa}
footer{border-top:1px solid #dedfe5;padding:22px 0 35px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#747b8b;font-size:.8rem}footer nav{display:flex;gap:14px;flex-wrap:wrap}footer a{text-decoration:none}
@media(max-width:850px){.layout{grid-template-columns:1fr}.sidebar{grid-template-columns:1fr 1fr}.sidebar .nextup{grid-column:1/-1}}
@media(max-width:550px){.shell{width:calc(100% - 24px)}.topbar{padding:16px 0}.intro{margin:5px 0 22px}.intro h1{font-size:3.2rem}.doodle{display:none}.game-card{padding:13px}.game-head{gap:6px}.game-head h2{font-size:1.13rem}.picker{width:147px;min-width:130px}.picker select{font-size:.74rem;padding:10px 4px}.stats{gap:6px}.stat{padding:9px 7px}.stat strong{font-size:1.19rem}.stat .micro{font-size:.59rem}.board{gap:4px;border-width:2px;border-radius:17px;padding:6px}.tile{border-width:1px;border-radius:8px}.sidebar{grid-template-columns:1fr}.actions button{font-size:.84rem;padding:11px 3px}.toplinks{gap:10px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}