body:has(.tetris){background:#0d151b;color:#eaf3f1}body:has(.tetris)>header{max-width:1040px;padding-bottom:12px}body:has(.tetris)>header a{color:#9dafaF;font-size:13px}main:has(.tetris){max-width:1040px;background:transparent;padding-top:12px}.tetris{--accent:#99efcc;--muted:#9bafba;--panel:#17242d}.game-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.eyebrow{font-size:11px;letter-spacing:.18em;color:var(--muted);margin:0 0 8px;font-weight:700}.game-heading h1{font-size:40px;line-height:1.2;letter-spacing:.08em;margin:0}.game-heading h1 span{display:inline-block;font-size:12px;letter-spacing:.12em;margin-left:16px;color:var(--muted);font-weight:400}.game-tag{font-size:13px;color:var(--accent)}.game-layout{display:grid;grid-template-columns:minmax(0,420px) minmax(200px,280px);justify-content:center;gap:32px}.play-area{min-width:0}.board-wrap{position:relative;width:100%;max-width:320px;margin:auto;border:1px solid #3a515d;border-radius:9px;overflow:hidden;background:#0b131b;box-shadow:0 16px 50px #0004}#board{display:block;width:100%;height:auto}.game-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;text-align:center;background:#0b131beF;gap:12px}.game-overlay[hidden]{display:none}.game-overlay p{margin:0}#overlay-title{font-size:21px;font-weight:700}#overlay-description{color:var(--muted);font-size:13px;white-space:pre-line}.tetris button{font:inherit;font-size:13px;font-weight:700;cursor:pointer;border:1px solid #3b515e;border-radius:8px;background:#213440;color:#eaf3f1;padding:12px 14px;transition:background .15s;touch-action:manipulation}.tetris button:hover{background:#304a59}.tetris button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.tetris button:disabled{opacity:.4;cursor:default}.tetris #play{background:var(--accent);color:#11291f;border-color:var(--accent);margin-top:8px}.touch-controls{max-width:360px;margin:16px auto 0;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.touch-controls button{font-size:22px;user-select:none;-webkit-user-select:none}.touch-controls .drop-button{grid-column:1/-1;font-size:13px;padding:10px}.score-card,.next-card,.stat-grid{background:var(--panel);border:1px solid #2b3e49;border-radius:12px;padding:20px}.score-value{font-size:40px;font-weight:700;line-height:1.2;margin:0 0 16px;font-variant-numeric:tabular-nums}.best-row{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);gap:8px}.best-row strong{color:var(--accent)}.storage-note{font-size:11px;color:var(--muted)}.stat-grid{display:grid;grid-template-columns:1fr 1fr;margin:12px 0;padding:14px 20px}.stat-grid span{display:block;font-size:10px;letter-spacing:.12em;color:var(--muted)}.stat-grid strong{font-size:24px}.next-card{padding:14px 20px}#next{display:block;width:160px;max-width:100%;height:auto;margin:auto}.game-buttons{display:flex;gap:8px;margin-top:14px}.game-buttons button{flex:1;padding:10px 6px}.game-status{color:var(--accent);font-size:12px;min-height:2em}.how-to{border-top:1px solid #2b3e49;padding-top:12px;color:var(--muted)}.how-to h2{font-size:13px;color:#eaf3f1;margin:0 0 8px}.how-to dl{margin:0;font-size:12px}.how-to dl div{display:flex;justify-content:space-between;gap:10px}.how-to dt{font-family:monospace;color:#dce8e8}.how-to dd{margin:0}.how-to p{font-size:11px;margin-bottom:0}@media(max-width:600px){main:has(.tetris){margin:0;padding:12px}.game-heading{margin-bottom:16px}.game-heading h1{font-size:30px}.game-heading h1 span{display:block;margin:6px 0 0;font-size:10px}.game-tag{font-size:11px}.game-layout{grid-template-columns:minmax(0,1fr) 132px;gap:12px;align-items:start}.score-card,.next-card{padding:12px}.score-value{font-size:26px}.stat-grid{padding:10px;gap:8px}.best-row{flex-direction:column;gap:0}.game-buttons{flex-direction:column}.how-to dl div{display:block;margin-bottom:5px}.touch-controls{gap:5px}.touch-controls button{padding:10px 4px}.game-overlay{padding:12px}#overlay-title{font-size:16px}#overlay-description{font-size:11px}.tetris #play{font-size:12px;padding:10px}.game-status{font-size:11px}}@media(prefers-reduced-motion:reduce){.tetris button{transition:none}}