:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--purple:#6C40FF;--violet:#8E6CFF;--gold:#FFBD3D;--bg:#0F0F14;--surface:#191A23;--surface2:#20212D;--text:#fff;--muted:#9A9AA8;--line:#2A2B36;--danger:#EF5B67}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 50% -20%,rgba(108,64,255,.14),transparent 34%),var(--bg);color:var(--text);font-family:inherit;touch-action:manipulation}button{font:inherit;color:inherit}svg{display:block}.game-topbar{height:64px;display:grid;grid-template-columns:44px 1fr 44px;align-items:center;gap:14px;max-width:1040px;margin:auto;padding:0 24px}.icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#171820;color:#fff;display:grid;place-items:center;text-decoration:none;cursor:pointer}.icon-btn svg,.controls-card svg,.mobile-controls 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24px}.game-meta div+div{border-left:1px solid var(--line)}.game-meta span{font-size:10px;color:var(--muted);margin-bottom:5px}.game-meta strong{font-size:18px}.board-wrap{width:100%;max-width:680px;margin:auto;padding:5px;border-radius:22px;background:linear-gradient(145deg,rgba(142,108,255,.22),rgba(255,189,61,.08));box-shadow:0 22px 60px rgba(0,0,0,.34),0 0 0 1px rgba(255,255,255,.03)}.zip-board{--cols:6;--rows:6;position:relative;display:grid;grid-template-columns:repeat(var(--cols),1fr);grid-template-rows:repeat(var(--rows),1fr);aspect-ratio:1;background:#b8b6c2;border:2px solid #111218;border-radius:17px;overflow:hidden;touch-action:none;user-select:none;contain:layout paint style}.zip-cell{position:relative;z-index:2;border:0;border-right:1px solid #b8b6c2;border-bottom:1px solid #b8b6c2;background:#d5d2dd;color:#15151D;display:grid;place-items:center;padding:0;min-width:0;min-height:0;appearance:none;cursor:pointer;transition:background .12s ease,box-shadow .12s 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var(--line);background:var(--surface);border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;cursor:pointer;transition:.18s ease}.controls-card>button:hover{background:var(--surface2)}.controls-card>button:active{transform:scale(.98)}.controls-card>button:disabled{opacity:.4;cursor:not-allowed}.controls-card span{font-size:10px}.rules{padding:0;overflow:hidden}.rules summary{list-style:none;min-height:48px;display:flex;align-items:center;padding:0 12px;font-weight:750;cursor:pointer}.rules summary::-webkit-details-marker{display:none}.rules ol{margin:0;padding:0 18px 14px 32px;color:#B9BBCA;font-size:12px;line-height:1.55}.hint-card{padding:15px}.hint-head{display:flex;justify-content:space-between;align-items:center}.hint-head strong{color:var(--violet)}.hint-head button{width:36px;height:36px;border:0;background:none;color:#fff;font-size:22px;cursor:pointer}.hint-card p{color:#D1D2DC;line-height:1.5;font-size:13px}.mobile-controls{display:none}.completion[hidden]{display:none}.completion{position:fixed;inset:0;background:rgba(5,5,8,.82);display:grid;place-items:center;padding:20px;z-index:50}.completion-card{width:min(440px,100%);background:#191a23;border:1px solid #323542;border-radius:24px;padding:28px;text-align:center}.success-mark{display:grid;place-items:center;width:54px;height:54px;margin:0 auto 12px;border-radius:50%;background:#22c55e;font-size:28px}.completion-card h2{font-size:30px;margin:8px 0}.completion-card p{color:#aeb1c1}.completion-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0}.completion-stats div{background:#101118;border-radius:14px;padding:14px}.completion-stats span{display:block;font-size:12px;color:#8d90a1}.completion-stats strong{font-size:20px}.completion-card 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