:root{--bg:#060710;--panel:#0b0d18;--ink:#f4f7fb;--muted:#969caf;--cyan:#65f8e4;--pink:#ff3d8d;--amber:#ffc857;--danger:#ff405f;--line:#76f4e22e}*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}body{color:var(--ink);background:radial-gradient(circle at 50% -20%,#192033 0,#0000 42%),linear-gradient(#080a13,#04050b);min-height:100vh;margin:0;font-family:Arial,Helvetica,sans-serif;overflow-x:hidden}.site-shell{background-image:linear-gradient(#ffffff04 1px,#0000 1px),linear-gradient(90deg,#ffffff03 1px,#0000 1px);background-size:40px 40px;flex-direction:column;min-height:100vh;display:flex}.topbar{background:#05060dcc;border-bottom:1px solid #ffffff12;justify-content:space-between;align-items:center;height:68px;padding:0 clamp(18px,4vw,64px);display:flex}.brand{color:#fff;letter-spacing:3px;align-items:center;gap:12px;font-size:14px;text-decoration:none;display:flex}.brand b{color:var(--cyan)}.brand-mark{align-items:end;gap:2px;width:26px;height:28px;display:flex;transform:skew(-12deg)}.brand-mark i{background:var(--cyan);width:7px;display:block;box-shadow:0 0 12px #65f8e4a6}.brand-mark i:first-child{height:15px}.brand-mark i:nth-child(2){height:25px}.brand-mark i:nth-child(3){background:var(--pink);height:19px}.topbar-right{align-items:center;gap:22px;display:flex}.status-dot{letter-spacing:1.8px;color:#858ca0;font-size:9px}.status-dot i{background:var(--cyan);width:6px;height:6px;box-shadow:0 0 9px var(--cyan);border-radius:50%;margin-right:8px;display:inline-block}.icon-button,.pause-button{color:#d5d9e5;cursor:pointer;background:#0c0f1a;border:1px solid #ffffff24;place-items:center;width:35px;height:35px;display:grid}.icon-button svg{fill:currentColor;width:17px}.icon-button:hover,.icon-button:focus-visible,.pause-button:hover,.pause-button:focus-visible{border-color:var(--cyan);color:var(--cyan);outline:none}.game-section{flex-direction:column;flex:1;justify-content:center;width:min(1440px,100%);margin:auto;padding:clamp(14px,2.5vw,34px) clamp(10px,3vw,46px);display:flex}.game-frame{aspect-ratio:16/9;background:#070914;border:1px solid #64f5e133;min-height:420px;max-height:calc(100vh - 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