:root{color-scheme:dark}.tetris-body{margin:0;min-height:100vh;color:#f7fbff;background:radial-gradient(circle at 50% -18%,#193e69 0,transparent 42%),linear-gradient(150deg,#020611,#071329 60%,#02050d);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.tetris-body *{box-sizing:border-box}.tetris-header{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(16px,4vw,54px);border-bottom:1px solid #29cfff3d;background:#020715e8;backdrop-filter:blur(14px)}.tetris-brand,.tetris-back{color:#f8fcff;text-decoration:none}.tetris-brand{font-size:22px;font-weight:950;letter-spacing:-.04em}.tetris-brand span{color:#2edcff}.tetris-brand b{margin-left:9px;padding:4px 7px;border:1px solid #c568ff55;border-radius:6px;color:#de8cff;font-size:8px;letter-spacing:.17em;vertical-align:middle}.tetris-back{color:#a9bbd5;font-size:12px;font-weight:800}.tetris-page{width:min(1100px,100%);margin:auto;padding:22px clamp(7px,2.6vw,30px) 38px}.tetris-intro{display:flex;align-items:end;justify-content:space-between;gap:18px;margin:0 5px 16px}.tetris-eyebrow{margin:0 0 5px;color:#54e7ff;font-size:10px;font-weight:900;letter-spacing:.22em}.tetris-intro h1{margin:0;font-size:clamp(38px,6vw,64px);line-height:.96;letter-spacing:-.06em}.tetris-intro p:last-child{margin:9px 0 0;color:#9eb1ca;font-size:12px}.tetris-tools{display:flex;align-items:center;justify-content:flex-end;gap:7px;flex-wrap:wrap}.tetris-tools button,.tetris-overlay button,.tetris-mobile button{border:1px solid #3bd9ff55;border-radius:11px;color:#fff;background:linear-gradient(145deg,#193762,#09162e);font:inherit;font-size:10px;font-weight:850;padding:9px 12px;cursor:pointer;box-shadow:inset 0 1px #fff1}.tetris-tools button:hover{border-color:#67e7ff;transform:translateY(-1px)}.tetris-shell{position:relative;padding:10px;border:1px solid #35d7ff3b;border-radius:25px;background:linear-gradient(145deg,#10294e,#050e21);box-shadow:0 35px 95px #000b,inset 0 1px #fff1}.tetris-hud{height:43px;display:flex;align-items:center;justify-content:center;gap:clamp(18px,6vw,70px);color:#8ea6c8;font-size:9px;font-weight:900;letter-spacing:.12em}.tetris-hud b{margin-left:6px;color:#fff;font-size:15px;letter-spacing:0}.tetris-stage{position:relative;display:grid;grid-template-columns:160px minmax(280px,390px) 160px;justify-content:center;gap:20px;min-height:690px;padding:24px 18px;overflow:hidden;border-radius:17px;background:radial-gradient(circle at 50% 30%,#183f7260,transparent 50%),linear-gradient(145deg,#061127,#020612);box-shadow:inset 0 0 80px #000b}.tetris-panel{display:flex;flex-direction:column;gap:16px;padding-top:40px}.tetris-card{padding:13px;border:1px solid #36d8ff30;border-radius:15px;background:linear-gradient(145deg,#10264acc,#07132acc);box-shadow:0 15px 30px #0006,inset 0 1px #fff1}.tetris-card span{display:block;margin-bottom:9px;color:#7894bd;font-size:8px;font-weight:900;letter-spacing:.17em}.tetris-preview{display:block;width:100%;aspect-ratio:1.25;border-radius:10px;background:#020815}.tetris-board-wrap{padding:8px;border:1px solid #42ddff80;border-radius:15px;background:linear-gradient(145deg,#0c1b33,#02050c);box-shadow:0 25px 55px #000c,0 0 35px #087dba44,inset 0 0 0 2px #ffffff0d;transform:perspective(1000px) rotateX(1deg)}.tetris-canvas{display:block;width:100%;height:auto;aspect-ratio:1/2;border-radius:8px;background:#020610;touch-action:none}.tetris-side-stat{padding:13px;border:1px solid #ffffff0e;border-radius:13px;background:#ffffff05}.tetris-side-stat span{display:block;color:#7894bd;font-size:8px;font-weight:900;letter-spacing:.16em}.tetris-side-stat b{display:block;margin-top:5px;font-size:25px}.tetris-controls{color:#8297b8;font-size:9px;line-height:1.8}.tetris-controls b{color:#d8e9ff}.tetris-mobile{display:none;grid-template-columns:repeat(5,1fr);gap:5px;width:min(460px,100%);margin:13px auto 0}.tetris-mobile button{min-height:43px;padding:5px;font-size:17px}.tetris-toast{position:absolute;left:50%;top:18px;z-index:2000;max-width:calc(100% - 24px);padding:10px 16px;border:1px solid #48deff66;border-radius:999px;color:#fff;background:#041022ed;box-shadow:0 10px 30px #0008;opacity:0;transform:translate(-50%,-10px);transition:.2s;pointer-events:none;font-size:11px;font-weight:800}.tetris-toast.show{opacity:1;transform:translate(-50%,0)}.tetris-overlay{position:absolute;inset:0;z-index:3000;display:grid;grid-template-columns:minmax(0,44%) 1fr;align-items:center;gap:clamp(18px,5vw,58px);padding:clamp(18px,5vw,60px);background:linear-gradient(90deg,#020612f5,#07152bdf);backdrop-filter:blur(6px)}.tetris-overlay[hidden]{display:none}.tetris-overlay img{width:min(390px,100%);aspect-ratio:1;object-fit:cover;border:1px solid #36d9ff66;border-radius:22px;box-shadow:0 25px 85px #000c}.tetris-overlay strong{display:block;font-size:clamp(30px,5vw,62px);line-height:.95;letter-spacing:-.06em}.tetris-overlay span{display:block;max-width:440px;margin:16px 0 21px;color:#b0c2db;font-size:clamp(11px,1.5vw,15px);line-height:1.6}.tetris-overlay button{min-width:145px;color:#04101b;background:linear-gradient(135deg,#61ecff,#6091ff);font-size:11px;letter-spacing:.08em}.tetris-guide{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:12px 4px 1px}.tetris-guide div{padding:10px 12px;border:1px solid #ffffff10;border-radius:10px;color:#8297b5;background:#ffffff05;font-size:9px;line-height:1.45}.tetris-guide b{display:block;margin-bottom:2px;color:#61e6ff;font-size:10px}@media(max-width:720px){.tetris-header{height:56px}.tetris-page{padding:14px 3px 25px}.tetris-intro{align-items:flex-start;margin:0 7px 12px}.tetris-intro h1{font-size:34px}.tetris-intro p:last-child{max-width:180px;font-size:9px}.tetris-tools{max-width:130px;gap:4px}.tetris-tools button{padding:7px 8px;font-size:8px}.tetris-shell{padding:5px;border-radius:15px}.tetris-hud{height:34px;gap:14px;font-size:7px}.tetris-hud b{font-size:11px}.tetris-stage{display:grid;grid-template-columns:74px minmax(210px,310px) 74px;gap:5px;min-height:580px;padding:10px 3px;border-radius:10px}.tetris-panel{gap:7px;padding-top:15px}.tetris-card,.tetris-side-stat{padding:5px;border-radius:7px}.tetris-card span,.tetris-side-stat span{font-size:6px;margin-bottom:3px}.tetris-side-stat b{font-size:14px}.tetris-controls{display:none}.tetris-board-wrap{padding:4px;border-radius:9px}.tetris-mobile{display:grid}.tetris-overlay{grid-template-columns:38% 1fr;gap:12px;padding:12px}.tetris-overlay img{border-radius:12px}.tetris-overlay strong{font-size:24px}.tetris-overlay span{margin:8px 0 11px;font-size:8.5px}.tetris-overlay button{min-width:100px;padding:9px;font-size:9px}.tetris-guide{gap:4px;margin:8px 2px}.tetris-guide div{padding:7px 5px;font-size:7px}.tetris-guide b{font-size:8px}}