*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Poppins,Arial,sans-serif;background:#0f172a;color:#fff;text-rendering:optimizeSpeed;-webkit-font-smoothing:antialiased}
header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 20px;background:#020617;position:sticky;top:0;z-index:10}
.logo{font-weight:700;font-size:22px}
.header-actions{display:flex;align-items:center;gap:12px;flex:1;justify-content:flex-end}
.all-games-link{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:8px;background:#1d4ed8;color:#fff;text-decoration:none;font-weight:600;white-space:nowrap}
.search{flex:1;display:flex;justify-content:flex-end}
.search input{width:min(360px,100%);padding:10px 14px;border-radius:8px;border:1px solid #334155;background:#0f172a;color:#fff}
.section-title{text-align:center;padding:0 15px}
h1,h2,p{padding-left:15px;padding-right:15px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:0 15px 10px;color:#cbd5e1}
.breadcrumb a{color:#7dd3fc;text-decoration:none}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:15px;padding:15px;align-items:start}
.card{background:#1e293b;border:1px solid #334155;border-radius:10px;overflow:hidden;text-decoration:none;color:#fff;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(15,23,42,.35)}
.card img{width:100%;height:140px;object-fit:cover;display:block;background:#0b1120}
.card h3{padding:10px;margin:0;text-align:center}
.game-layout{display:grid;grid-template-columns:160px 1fr 160px;gap:10px;padding:10px}
.sidebar,.frame-shell{background:#1e293b;border:1px solid #334155;border-radius:12px}
.sidebar{display:flex;align-items:center;justify-content:center;padding:12px;text-align:center;min-height:120px}
.sidebar--ad{align-items:stretch}
.ad-copy{padding:0;margin:10px 0 0;color:#cbd5e1;font-size:14px;line-height:1.5}
.frame-shell-wrap{position:relative}
.frame-shell{min-height:520px;overflow:hidden}
iframe{width:100%;height:520px;border:none;border-radius:12px;display:block}
.frame-placeholder{min-height:520px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center}
.frame-placeholder img{max-width:320px;width:100%;border-radius:12px;margin-bottom:16px}
.game-copy{padding:0 15px 10px;text-align:center;color:#cbd5e1}
.game-copy span{display:block;margin-top:8px}
.game-copy a{color:#7dd3fc}
.info-list{display:grid;gap:10px;margin-top:14px}
.info-item{display:grid;gap:4px}
.info-item span{font-size:12px;color:#93c5fd;text-transform:uppercase}
.info-item strong{font-size:14px}
.play-tools{display:grid;gap:12px}
.play-tools strong{display:block}
.play-bottom-tools{padding:0 10px 10px}
.tool-buttons{display:grid;gap:10px}
.tool-button{padding:10px 14px;border-radius:8px;border:1px solid #334155;background:#0f172a;color:#fff;cursor:pointer;font:inherit}
.fullscreen-button{position:absolute;right:14px;bottom:14px;background:rgba(2,6,23,.92)}
.tool-feedback{min-height:20px;margin:0;color:#93c5fd;padding:0}
.empty-state{text-align:center;padding:0 15px 20px;color:#cbd5e1}
footer{text-align:center;padding:20px;background:#020617;margin-top:20px}
.back{
  margin:15px;
  display:inline-block;
  padding:10px 16px;
  background:linear-gradient(135deg,#00bfff,#0077ff);
  border-radius:8px;
  font-weight:bold;
  text-decoration:none;
  color:#fff;
  box-shadow:0 4px 10px rgba(0,0,0,0.3);
  transition:0.2s;
}

.back:hover{
  transform:translateY(-2px);
  background:linear-gradient(135deg,#0099ff,#0055ff);
}

.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:14px}
.tag-pill{padding:6px 10px;border-radius:999px;font-size:12px;color:#dbeafe;background:#334155}
.snake-root{min-height:520px;display:flex;align-items:center;justify-content:center;padding:18px;background:#0b1120}
.snake-game{width:min(100%,560px);display:grid;gap:14px;outline:none}
.snake-game__topbar{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:14px 16px;border:1px solid #334155;border-radius:12px;background:#1e293b}
.snake-game__scorecard{display:grid;gap:4px}
.snake-game__label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#93c5fd}
.snake-game__scorecard strong{font-size:28px;line-height:1}
.snake-game__status{color:#cbd5e1;font-size:14px;line-height:1.5}
.snake-game__actions{display:flex;gap:10px}
.snake-button,.snake-control{font:inherit;color:#fff;background:#0f172a;border:1px solid #334155;border-radius:10px;cursor:pointer}
.snake-button{padding:10px 14px;min-width:88px}
.snake-board{display:grid;grid-template-columns:repeat(16,minmax(0,1fr));gap:4px;aspect-ratio:1/1;padding:12px;border-radius:12px;border:1px solid #334155;background:#020617}
.snake-cell{border-radius:6px;background:#1e293b}
.snake-cell--snake{background:#22c55e}
.snake-cell--head{background:#38bdf8}
.snake-cell--food{background:#f97316}
.snake-controls{display:grid;justify-content:center;gap:10px}
.snake-controls__row{display:grid;grid-template-columns:repeat(3,72px);gap:10px}
.snake-control{width:72px;height:48px}
.snake-control--pause{font-size:14px}
.snake-game__hint{margin:0;text-align:center;color:#cbd5e1}

@media (max-width: 900px){
  .game-layout{grid-template-columns:1fr}
  .sidebar{min-height:72px}
  .fullscreen-button{position:static;margin-top:10px;width:100%}
}

@media (max-width: 640px){
  body{font-size:15px}
  header{flex-direction:column;align-items:stretch}
  .header-actions{flex-direction:column;align-items:stretch}
  .search{justify-content:stretch}
  .search input{width:100%}
  .logo{text-align:center}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:12px}
  .card h3{padding:8px;font-size:14px}
  .card img{height:120px}
  iframe,.frame-shell,.frame-placeholder,.snake-root{min-height:360px;height:360px}
  .snake-game__topbar{grid-template-columns:1fr}
  .snake-game__actions{width:100%}
  .snake-button{flex:1}
  .snake-controls__row{grid-template-columns:repeat(3,64px)}
  .snake-control{width:64px}
}