:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#f4f6ff;font-synthesis:none;text-rendering:optimizelegibility;--bg:#060812;--surface:#080b18eb;--surface-strong:#0a0d1cfa;--line:#7789b53d;--muted:#8d96b5;--cyan:#00cfff;--blue:#148dff;--purple:#8f43ff;--magenta:#ed31d4;--board-width:min(25rem, 36vw, calc((100dvh - 241px) / 2));background:#060812;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{background:var(--bg);min-width:320px;min-height:100%}body{background-color:var(--bg);background-image:linear-gradient(#03050e61,#03050ea3),url(/demos/gg-tetris/assets/game-bg.jpg);background-position:50%;background-size:cover;background-attachment:fixed;min-width:320px;min-height:100dvh;margin:0;overflow-x:hidden}button,a{font:inherit}button{color:inherit}button:focus-visible,a:focus-visible{outline-offset:3px;outline:3px solid #00cfffe6}.app-shell{min-height:calc(100dvh - 36px)}.topbar{z-index:10;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#040610e6;grid-template-columns:1fr auto 1fr;align-items:center;min-height:74px;padding:10px clamp(18px,4vw,72px);display:grid;position:relative}.brand{color:#f7f8ff;letter-spacing:-.03em;align-items:center;gap:12px;width:max-content;font-size:clamp(1.08rem,2vw,1.4rem);font-weight:800;text-decoration:none;display:inline-flex}.brand img{object-fit:cover;mix-blend-mode:screen;border-radius:10px;width:48px;height:48px}.mode-switch{border:1px solid var(--line);background:#060814db;border-radius:12px;grid-template-columns:repeat(2,minmax(92px,1fr));padding:4px;display:grid}.mode-switch button{color:#858eae;letter-spacing:.04em;cursor:pointer;background:0 0;border:0;border-radius:9px;min-height:42px;padding:0 22px;font-size:.86rem;font-weight:800}.mode-switch button[aria-pressed=true]{color:#fff;background:linear-gradient(105deg,#149cff,#8d28ef);box-shadow:inset 0 0 0 1px #ffffff6b,0 0 20px #3d48ff4d}.pause-button{color:#f65ae5;letter-spacing:.06em;cursor:pointer;background:#10081cc2;border:1px solid #ed31d4d1;border-radius:10px;justify-self:end;align-items:center;gap:9px;min-height:46px;padding:0 18px;font-size:.82rem;font-weight:800;display:inline-flex}.pause-button svg{width:20px;height:20px}.pause-button:disabled{opacity:.45;cursor:not-allowed}.game-main{flex-direction:column;justify-content:center;align-items:center;width:min(100%,1180px);min-height:calc(100dvh - 110px);margin:0 auto;padding:18px clamp(14px,3vw,34px) 14px;display:flex}.mobile-stats{display:none}.game-layout{grid-template-columns:var(--board-width) 116px 210px;justify-content:center;align-items:stretch;gap:18px;display:grid}.board-wrap{width:var(--board-width);aspect-ratio:1/2;background:linear-gradient(145deg,#00ccffdb,#ee28d3c2) border-box;border:1px solid #6847ffd1;border-radius:12px;padding:5px;position:relative;box-shadow:inset 0 0 0 3px #000c,0 0 26px #2358ff33}.board{background:#030610f0;border:1px solid #070c1ef2;border-radius:7px;grid-template-rows:repeat(20,1fr);grid-template-columns:repeat(10,1fr);width:100%;height:100%;display:grid;overflow:hidden}.board-cell{border-bottom:1px solid #53639129;border-right:1px solid #53639129;min-width:0;min-height:0;position:relative}.board-cell--locked,.board-cell--active{z-index:2;border:1px solid color-mix(in srgb, var(--piece-color), #fff 36%);background-color:var(--piece-color);background-blend-mode:screen;box-shadow:inset 0 -4px 8px #00000038, 0 0 8px color-mix(in srgb, var(--piece-color), transparent 62%);background-image:url(/demos/gg-tetris/assets/block-overlay-128.png);background-position:50%;background-size:100% 100%}.board-cell--active{z-index:3;filter:brightness(1.14)saturate(1.08);box-shadow:inset 0 -4px 8px #0000002e, 0 0 13px color-mix(in srgb, var(--piece-color), transparent 35%)}.board-cell--ghost{border:1.5px dashed var(--piece-color);background:color-mix(in srgb, var(--piece-color), transparent 92%);box-shadow:inset 0 0 8px color-mix(in srgb, var(--piece-color), transparent 78%);margin:2px}.board-message{z-index:5;color:#fff;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);letter-spacing:.08em;background:#040610c2;border-radius:7px;place-content:center;font-size:clamp(1.1rem,3vw,1.8rem);font-weight:900;display:grid;position:absolute;inset:5px}.board-message--over{text-align:center;gap:8px}.board-message--over span{color:var(--muted);letter-spacing:0;font-size:.76rem;font-weight:600}.piece-rail,.stats-rail{border:1px solid var(--line);background:var(--surface);border-radius:12px;box-shadow:0 18px 50px #00000047}.piece-rail{flex-direction:column;gap:12px;padding:14px 10px;display:flex}.piece-rail section{flex-direction:column;align-items:center;gap:5px;display:flex}.piece-rail h2{color:#aab2cf;letter-spacing:.06em;margin:0 0 2px;font-size:.68rem;font-weight:700}.hold-piece{border-top:1px solid var(--line);margin-top:auto;padding-top:12px}.mini-piece{aspect-ratio:1;grid-template-rows:repeat(4,1fr);grid-template-columns:repeat(4,1fr);width:78px;padding:4px;display:grid}.mini-cell{min-width:0;min-height:0}.mini-cell--filled{border:1px solid color-mix(in srgb, var(--piece-color), #fff 42%);background-color:var(--piece-color);background-blend-mode:screen;box-shadow:0 0 7px color-mix(in srgb, var(--piece-color), transparent 52%);background-image:url(/demos/gg-tetris/assets/block-overlay-128.png);background-size:100% 100%}.stats-rail{flex-direction:column;padding:16px 18px;display:flex}.stat{border-bottom:1px solid var(--line);flex-direction:column;flex:1;justify-content:center;gap:4px;min-width:0;display:flex}.stat:last-child{border-bottom:0}.stat span{color:#9ea7c5;letter-spacing:.08em;font-size:.7rem;font-weight:700}.stat strong{text-overflow:ellipsis;font-size:clamp(1.05rem,2vw,1.45rem);line-height:1;overflow:hidden}.controls{grid-template-columns:auto 1fr;gap:10px;width:min(100%,810px);margin-top:16px;display:grid}.move-controls,.action-controls{gap:8px;display:grid}.move-controls{grid-template-columns:repeat(3,54px)}.action-controls{grid-template-columns:1fr 1.45fr 1fr}.control-button{color:#edf1ff;cursor:pointer;touch-action:manipulation;-webkit-user-select:none;user-select:none;background:#080a18f0;border:1px solid #504cffdb;border-radius:10px;justify-content:center;align-items:center;gap:8px;min-width:54px;min-height:54px;padding:8px 12px;font-size:.74rem;font-weight:700;display:flex}.move-controls .control-button span{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.control-button svg{width:26px;height:26px}.control-button:active{border-color:var(--cyan);background:#143860eb;transform:translateY(1px)}.mode-switch--mobile{display:none}.restart-button{border:1px solid var(--cyan);color:#fff;cursor:pointer;background:linear-gradient(105deg,#168ff0,#8d28ef);border-radius:10px;min-height:46px;margin-top:14px;padding:0 24px;font-weight:800}.topbar-switches{justify-content:center;gap:10px;display:inline-flex}.mode-switch--difficulty{grid-template-columns:repeat(3,minmax(64px,1fr))}.mode-switch--difficulty button{padding:0 12px}.stat--button{border:0;border-bottom:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;padding:0}.stat--button:focus-visible{outline-offset:-3px}.stat--button:hover strong{filter:brightness(1.25)}.stat-input{color:#fff;letter-spacing:.04em;text-transform:uppercase;background:#060814f2;border:1px solid #00cfffd9;border-radius:8px;width:100%;min-height:38px;padding:0 8px;font-weight:800}.game-over-overlay{z-index:50;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#03050eb8;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.game-over-card{background:var(--surface-strong);border:1px solid #6847ffd1;border-radius:12px;flex-direction:column;gap:14px;width:min(100%,430px);max-height:calc(100dvh - 32px);padding:18px;display:flex;overflow-y:auto;box-shadow:0 18px 50px #00000059}.game-over-card h2{letter-spacing:.1em;margin:0;font-size:1.05rem;font-weight:900}.name-field{flex-direction:column;gap:6px;display:flex}.name-field span{color:#9ea7c5;letter-spacing:.08em;font-size:.7rem;font-weight:700}.name-input{border:1px solid var(--line);color:#fff;letter-spacing:.06em;text-transform:uppercase;background:#060814e6;border-radius:10px;min-height:44px;padding:0 12px;font-weight:800}.leaderboard{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.leaderboard li{border-bottom:1px solid var(--line);grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:10px;min-height:46px;display:grid}.leaderboard li:last-child{border-bottom:0}.lb-rank{font-size:.95rem;font-weight:900}.lb-main{flex-direction:column;gap:2px;min-width:0;display:flex}.lb-name{text-overflow:ellipsis;white-space:nowrap;font-weight:800;overflow:hidden}.lb-meta{color:var(--muted);letter-spacing:.02em;text-overflow:ellipsis;white-space:nowrap;font-size:.66rem;overflow:hidden}.lb-score{color:#ffd500;font-size:1.02rem;font-weight:900}.lb-empty{color:var(--muted);font-size:.8rem}.game-over-card .restart-button{margin-top:0}@media (width<=900px){:root{--board-width:min(24rem, 43vw, calc((100dvh - 241px) / 2))}.game-layout{grid-template-columns:var(--board-width) 104px 170px;gap:12px}.stats-rail{padding-inline:14px}}@media (width<=700px){:root{--board-width:min(61vw, calc((100dvh - 386px) / 2))}body{background-position:42%}.topbar{grid-template-columns:1fr auto;min-height:62px;padding:8px 14px}.brand{gap:8px;font-size:1.06rem}.brand img{border-radius:8px;width:40px;height:40px}.mode-switch--desktop{display:none}.game-over-card{padding:14px}.pause-button{min-height:44px;padding:0 14px}.game-main{min-height:calc(100dvh - 98px);padding:0 10px max(16px, env(safe-area-inset-bottom));justify-content:flex-start}.mobile-stats{border-bottom:1px solid var(--line);background:#040610bd;grid-template-columns:repeat(4,1fr);width:100vw;margin-bottom:8px;display:grid}.mobile-stats .stat{border-right:1px solid var(--line);border-bottom:0;align-items:center;min-height:66px}.mobile-stats .stat:last-child{border-right:0}.mobile-stats .stat strong{max-width:100%;font-size:1.35rem}.game-layout{grid-template-columns:var(--board-width) minmax(76px, 1fr);gap:9px;width:100%}.board-wrap{border-radius:10px}.stats-rail{display:none}.piece-rail{border-radius:10px;gap:4px;padding:8px 4px}.piece-rail h2{letter-spacing:.02em;font-size:.56rem}.piece-rail section:first-child .mini-piece:nth-of-type(3){display:none}.mini-piece{width:min(19vw,72px);padding:3px}.hold-piece{padding-top:7px}.controls{width:100%;margin-top:10px;display:block}.move-controls,.action-controls{gap:8px}.move-controls{grid-template-columns:repeat(3,1fr)}.action-controls{grid-template-columns:1fr 1.55fr 1fr;margin-top:8px}.control-button{border-radius:11px;flex-direction:column;gap:2px;min-height:58px;padding:7px;font-size:.68rem}.control-button svg{width:28px;height:28px}.mode-switch--mobile{grid-column:1/-1;width:100%;margin-top:8px;display:grid}.mode-switch--mobile button{min-height:48px}}@media (width<=370px),(height<=700px) and (width<=700px){:root{--board-width:min(58vw, calc((100dvh - 356px) / 2))}.mobile-stats .stat{min-height:56px}.control-button{min-height:50px}.control-button svg{width:24px;height:24px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.demo-bar{z-index:60;color:#b9c6ea;background:#080c16;border-bottom:1px solid #273247;justify-content:space-between;align-items:center;gap:12px;height:36px;padding:0 14px;font-size:12px;display:flex;position:relative}.demo-bar a{color:#c1f5ff;padding-block:7px;text-decoration:none}