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minmax(255px,1fr);gap:20px}.game-panel,.side-card{background:#172640ee;border:1px solid #ffffff20;box-shadow:0 16px 42px #040d1b46;border-radius:22px}.game-panel{padding:24px;position:relative;min-height:590px}.level-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.mode-label{font-size:.69rem;letter-spacing:.15em;color:#5de4d1;font-weight:900}.level-bar h2{font-size:1.5rem;margin:2px 0 0}.counter{color:#bfd0e0;border:1px solid #ffffff28;border-radius:99px;padding:7px 12px;font-size:.88rem}.board{--size:5;display:grid;grid-template-columns:repeat(var(--size),minmax(0,1fr));gap:clamp(4px,1vw,9px);width:min(100%,465px);aspect-ratio:1;margin:8px auto 0;padding:clamp(7px,1.6vw,15px);border-radius:18px;background:#0d1b33;border:1px solid #ffffff18}.tile{min-width:0;min-height:0;border:1px solid #344b6a;background:#203450;border-radius:clamp(7px,1vw,12px);color:#e4f5fc;display:grid;place-items:center;font-size:clamp(1.1rem,3vw,2rem);font-weight:700;line-height:1;transition:transform .16s,background .16s,opacity .2s;touch-action:manipulation}.tile:not(:disabled):hover{background:#345875;transform:translateY(-2px)}.tile.clear{background:#122440;border-color:#ffffff0d;cursor:default}.tile.blocked{animation:shake .25s ease;background:#ad5465}.tile.hinted{outline:3px solid #efce67;outline-offset:2px;animation:pulse 1s infinite}.tile:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #efce67;outline-offset:3px}.feedback{text-align:center;color:#b8c9da;min-height:25px;margin:16px 0 19px}.controls{display:flex;justify-content:center;gap:9px;flex-wrap:wrap}.controls button,.level-pick button{border:1px solid #56708f;background:#243b59;color:#e6f2f9;padding:10px 16px;border-radius:10px;font-weight:650}.controls 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#ffffff1c;border-radius:10px;color:#98aabf;font-size:.88rem}.badge.earned{color:#f5d788;background:#f5d78814;border-color:#f5d78855}.complete{position:absolute;inset:90px 18px 80px;background:#10243cf2;border:1px solid #5de4d185;border-radius:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:22px;box-shadow:0 20px 80px #0009}.complete[hidden]{display:none}.complete h2{font-size:2rem;margin:10px 0 0}.complete p{color:#bdd3dd;line-height:1.5}.celebrate{font-size:3.5rem;color:#f5d788}.bottom-note{color:#8198ae;font-size:.82rem;line-height:1.6;margin:23px 0}.bottom-note a{color:#80e6d8}@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}@keyframes pulse{50%{box-shadow:0 0 0 7px #efce6725}}@media(max-width:760px){.shell{padding:0 15px 32px}.topbar{height:65px}.brand{font-size:.72rem;letter-spacing:.07em}.game-header{padding:26px 0 19px;align-items:start;flex-direction:column}.game-layout{grid-template-columns:1fr}.game-panel{min-height:auto;padding:14px 12px 22px}.side-card{padding:18px}.board{width:min(100%,480px)}.complete{inset:76px 10px 65px}.bottom-note{margin-top:20px}}@media(max-width:360px){.brand{font-size:.62rem}.brand-mark{width:28px;height:28px}.tile{font-size:1.1rem}.controls button{padding:9px 11px}}
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