:root { --ink:#171816; --paper:#f3f0e7; --red:#ed3f24; --green:#2a8d65; --yellow:#f5ba22; }
* { box-sizing:border-box; }
html { background:var(--paper); }
body { margin:0; min-width:900px; min-height:100vh; color:var(--ink); background:linear-gradient(rgba(23,24,22,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,24,22,.035) 1px,transparent 1px),var(--paper); background-size:28px 28px; font-family:"Manrope",sans-serif; }
button,a { font:inherit; color:inherit; }
.game-nav { height:76px; margin:0 38px; display:grid; grid-template-columns:1fr auto 1fr; align-items:center; border-bottom:2px solid var(--ink); }
.back-link { width:fit-content; display:flex; align-items:center; gap:8px; color:var(--ink); font:700 11px "DM Mono",monospace; text-decoration:none; text-transform:uppercase; }.back-link:hover span{transform:translateX(-3px)}.back-link span{transition:transform .2s}
.game-brand { display:flex; align-items:center; gap:7px; font:800 18px "DM Mono",monospace; letter-spacing:-1px; }.game-brand>span:not(.brand-blocks){color:var(--red)}
.brand-blocks { width:24px; display:grid; grid-template-columns:repeat(3,7px); gap:1px; }.brand-blocks i{width:7px;height:7px;background:var(--red);border:1px solid var(--ink)}.brand-blocks i:first-child{grid-column:2}
.nav-actions { justify-self:end; display:flex; gap:8px; }.nav-actions button { height:32px; padding:0 12px; border:1.5px solid var(--ink); background:transparent; box-shadow:2px 2px var(--ink); font:700 9px "DM Mono",monospace; cursor:pointer }.nav-actions button:hover{background:var(--ink);color:var(--paper)}
.game-page { min-height:calc(100vh - 122px); padding:22px 30px; display:grid; grid-template-columns:200px 294px 200px; justify-content:center; align-items:center; gap:clamp(28px,5vw,70px); }
.panel { display:flex; flex-direction:column; gap:11px; }.panel-kicker { margin:0; padding-bottom:8px; border-bottom:1px solid var(--ink); font:800 9px "DM Mono",monospace; letter-spacing:.18em; text-transform:uppercase }
.stat,.preview-card,.control-card { border:1.5px solid var(--ink); background:rgba(243,240,231,.84); box-shadow:4px 4px rgba(23,24,22,.13); }
.stat { padding:12px 13px; }.stat span,.stat small,.preview-card small { display:block; font:700 8px "DM Mono",monospace; letter-spacing:.11em; text-transform:uppercase }.stat strong { display:block; margin-top:4px; font:800 24px/1 "DM Mono",monospace; letter-spacing:-.08em }.stat-score{border-top:5px solid var(--red)}.stat-score strong{font-size:29px}.split-stats{display:grid;grid-template-columns:1fr 1fr;gap:9px}.split-stats strong{font-size:21px}.stat-best{color:var(--paper);background:var(--ink);box-shadow:4px 4px var(--red)}.stat-best small{margin-top:6px;opacity:.55;letter-spacing:0}
.preview-card{padding:11px 13px}.hold-card{height:145px}.hold-card>small{text-align:center;opacity:.5}.card-heading{display:flex;justify-content:space-between;align-items:center;font:800 9px "DM Mono",monospace;letter-spacing:.14em;text-transform:uppercase}.card-heading em{color:var(--red);font-style:normal}
kbd{min-width:21px;height:19px;padding:0 5px;display:inline-flex;align-items:center;justify-content:center;border:1px solid currentColor;border-radius:2px;box-shadow:0 2px currentColor;font:700 7px "DM Mono",monospace;text-transform:uppercase}
.board-column{display:flex;flex-direction:column;align-items:center}.board-frame{position:relative;width:294px;padding:7px;border:2px solid var(--ink);background:var(--ink);box-shadow:7px 7px var(--red),10px 10px var(--ink)}.board-label{height:26px;display:flex;justify-content:space-between;color:var(--paper);font:700 8px "DM Mono",monospace;letter-spacing:.08em;text-transform:uppercase}
.board{--cell:27.8px;width:calc(var(--cell)*10);height:calc(var(--cell)*20);display:grid;grid-template-columns:repeat(10,var(--cell));grid-template-rows:repeat(20,var(--cell));background:#d8d5cb;border:1px solid #050505;overflow:hidden}.cell{position:relative;border-right:1px solid rgba(23,24,22,.085);border-bottom:1px solid rgba(23,24,22,.085)}.cell.filled,.cell.ghost{border:1px solid var(--ink)}.cell.filled:before{content:"";position:absolute;inset:3px;border-top:2px solid rgba(255,255,255,.38);border-left:2px solid rgba(255,255,255,.22);border-right:2px solid rgba(23,24,22,.22);border-bottom:2px solid rgba(23,24,22,.3)}.cell.ghost{background:transparent!important;border:1.5px dashed currentColor;opacity:.7}
.piece-i{background:#27a8b9;color:#187c89}.piece-j{background:#1e49b6;color:#173884}.piece-l{background:#ef7627;color:#b64d0d}.piece-o{background:#f5ba22;color:#bd8410}.piece-s{background:#2a8d65;color:#176947}.piece-t{background:#8256a7;color:#5e347f}.piece-z{background:#ed3f24;color:#b52b18}
.overlay{position:absolute;inset:35px 7px 7px;z-index:4;background:rgba(23,24,22,.92);color:var(--paper);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.overlay[hidden]{display:none}.overlay span{color:var(--red);font:800 9px "DM Mono",monospace;letter-spacing:.18em;text-transform:uppercase}.overlay strong{margin-top:9px;font:800 30px "DM Mono",monospace;text-transform:uppercase;letter-spacing:-.08em}.overlay p{margin:8px 0 18px;font:500 10px "DM Mono",monospace;opacity:.65}.overlay button{padding:10px 18px;color:white;background:var(--red);border:1px solid var(--paper);box-shadow:3px 3px var(--paper);font:800 8px "DM Mono",monospace;text-transform:uppercase;cursor:pointer}
.quick-keys{margin-top:17px;display:flex;gap:14px;font:700 7px "DM Mono",monospace;text-transform:uppercase}.quick-keys span{display:flex;gap:5px;align-items:center}.quick-keys kbd{height:16px;min-width:17px;box-shadow:0 1px currentColor}
.mini-grid{--mini:17px;width:calc(var(--mini)*4);height:calc(var(--mini)*4);margin:5px auto;display:grid;grid-template-columns:repeat(4,var(--mini));grid-template-rows:repeat(4,var(--mini))}.mini-cell{width:var(--mini);height:var(--mini)}.mini-cell[class*="piece-"]{border:1px solid var(--ink);box-shadow:inset 2px 2px rgba(255,255,255,.24)}
.next-main{height:145px;border-top:5px solid var(--red)}.next-main .mini-grid{margin-top:8px}.next-small-row{display:grid;grid-template-columns:1fr 1fr;gap:9px}.small-preview{height:89px;padding:7px}.small-preview>span{font:800 8px "DM Mono",monospace;color:var(--red)}.small-preview .mini-grid{--mini:11px;margin:-1px auto}
.control-card{padding:11px 13px}.control-card ul{list-style:none;margin:9px 0 0;padding:0}.control-card li{min-height:26px;border-top:1px solid rgba(23,24,22,.2);display:flex;align-items:center;justify-content:space-between;font:700 8px "DM Mono",monospace;text-transform:uppercase}.control-card li div{display:flex;gap:4px}.control-card kbd{height:16px;min-width:18px;box-shadow:none}
.new-game{height:37px;display:flex;align-items:center;justify-content:center;gap:8px;color:white;background:var(--red);border:1.5px solid var(--ink);box-shadow:4px 4px var(--ink);font:800 8px "DM Mono",monospace;text-transform:uppercase;letter-spacing:.08em;cursor:pointer}.new-game>span{font-size:15px}.new-game kbd{margin-left:auto;margin-right:7px;height:16px;box-shadow:none}.new-game:hover{background:var(--ink)}
footer{height:46px;margin:0 38px;border-top:1px solid var(--ink);display:flex;align-items:center;justify-content:space-between;font:700 8px "DM Mono",monospace;letter-spacing:.1em;text-transform:uppercase}footer p{margin:0}footer span{opacity:.5}
@media(max-height:800px){.game-nav{height:62px}.game-page{min-height:calc(100vh - 102px);padding:14px 30px;grid-template-columns:190px 254px 190px}.board-frame{width:254px}.board{--cell:23.8px}.hold-card,.next-main{height:130px}.mini-grid{--mini:14px}.control-card li{min-height:23px}.quick-keys{margin-top:12px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}