.void-404-page{background:radial-gradient(ellipse 80% 60% at 50% 0%, #4f6bff38, transparent 60%), radial-gradient(circle at 80% 20%, #ff50781f, transparent 35%), var(--bg-color);min-height:calc(100vh - 120px);padding:2rem 1rem 3rem}.void-404-grid{align-items:center;gap:2rem;max-width:1100px;margin:0 auto;display:grid}@media (min-width:900px){.void-404-grid{grid-template-columns:1.05fr .95fr}}.void-404-code{color:#9eb4ff;letter-spacing:.08em;background:#4f6bff1f;border:1px solid #6f86ff73;border-radius:999px;margin:0 0 .75rem;padding:.35rem .7rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem;display:inline-block}.void-404-title{color:var(--heading-color);margin:0 0 1rem;font-size:clamp(1.65rem,3.4vw,2.45rem);line-height:1.15}.void-404-title span{background:linear-gradient(90deg,#8ea6ff,#ff7eb9);color:#0000;-webkit-background-clip:text;background-clip:text;display:block}.void-404-lead{max-width:38rem;color:var(--text-muted);margin:0 0 1.25rem;font-size:1.02rem}.void-404-actions{flex-wrap:wrap;gap:.75rem;margin-bottom:1rem;display:flex}.void-404-btn{border-radius:12px;justify-content:center;align-items:center;min-height:44px;padding:.65rem 1.1rem;font-weight:700;text-decoration:none;transition:transform .15s,box-shadow .15s,background .15s;display:inline-flex}.void-404-btn:hover{transform:translateY(-1px)}.void-404-btn-primary{color:#fff;background:linear-gradient(135deg,#4f6bff,#6f86ff);box-shadow:0 10px 30px #4f6bff59}.void-404-btn-ghost{border:1px solid var(--panel-border);background:var(--panel-bg);color:var(--text-color)}.void-404-note{color:var(--text-muted);margin:0;font-size:.82rem}.void-game-wrap{flex-direction:column;align-items:center;gap:.6rem;display:flex;position:relative}.void-game-poster{z-index:0;aspect-ratio:360/520;pointer-events:none;background:radial-gradient(circle at 20% 15%,#6f86ff59,#0000 35%),radial-gradient(circle at 80% 25%,#ff50782e,#0000 30%),#05060f;border-radius:18px;width:min(100%,360px);position:absolute;inset:0 auto auto 50%;overflow:hidden;transform:translate(-50%)}.void-game-poster-badge{color:#9eb4ff;letter-spacing:.08em;background:#4f6bff40;border:1px solid #9eb4ff73;border-radius:6px;padding:.2rem .45rem;font:700 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;position:absolute;top:14px;left:14px}.void-game-poster-bird{background:#ffd34d;width:28px;height:20px;animation:1.8s ease-in-out infinite void-bird-bob;position:absolute;top:46%;left:18%;box-shadow:12px 8px #ff9f1a,6px -4px #fff,8px -2px #111}.void-game-poster-pipe{background:linear-gradient(#39ef7a,#1ed760);border:3px solid #0d5f2d;width:52px;position:absolute}.void-game-poster-pipe-a{height:34%;animation:6s linear infinite void-pipe-drift;top:0;right:28%}.void-game-poster-pipe-b{height:52%;animation:6s linear infinite reverse void-pipe-drift;top:0;right:8%}@keyframes void-bird-bob{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes void-pipe-drift{0%{transform:translate(0)}to{transform:translate(-18px)}}.void-game-canvas{z-index:1;aspect-ratio:360/520;width:min(100%,360px);height:auto;min-height:320px;image-rendering:pixelated;cursor:pointer;touch-action:manipulation;background:#05060f;border:3px solid #ffffff1f;border-radius:18px;position:relative;box-shadow:0 0 0 1px #4f6bff40,0 18px 50px #00000073,inset 0 0 40px #4f6bff14}.void-game-hint{color:var(--text-muted);margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem}