.arcade-shell{max-width:860px;margin:28px auto;background:#fff;border-radius:28px;padding:22px;box-shadow:0 14px 40px #1b496522}
.arcade-title{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.arcade-title h1{margin:0;font-size:clamp(25px,5vw,38px)}
.arcade-hud{display:grid;grid-template-columns:repeat(4,minmax(110px,1fr));gap:9px;margin:15px 0}
.arcade-stat{background:#eef6ff;border-radius:15px;padding:9px 12px;text-align:center;font-weight:800}
.arcade-stat b{display:block;font-size:20px;margin-top:2px}
.arcade-guide{background:linear-gradient(135deg,#fff8db,#eef8ff);border:2px solid #dcecff;border-radius:18px;padding:13px 16px;margin:12px 0}
.arcade-guide strong{display:block;margin-bottom:4px;color:#075985}
.arcade-guide p{margin:0;line-height:1.5}
.arcade-stage{position:relative;border:3px solid #17366f;border-radius:22px;overflow:hidden;background:#0c1f49;box-shadow:inset 0 0 30px #0004}
.arcade-stage canvas{display:block;width:100%;height:auto;aspect-ratio:19/12;touch-action:none}
.arcade-overlay{position:absolute;inset:0;z-index:10;display:flex;align-items:center;justify-content:center;padding:18px;background:#08172ddd;color:#fff;text-align:center}
.arcade-overlay.hidden{display:none}
.arcade-panel{width:min(500px,94%);background:#fff;color:#16324f;border-radius:24px;padding:22px;box-shadow:0 20px 60px #0007}
.arcade-panel h2{font-size:29px;margin:0 0 10px}
.arcade-panel p{line-height:1.55;margin:8px 0 17px}
.arcade-panel .btn{margin:4px}
.arcade-actions{display:flex;justify-content:center;align-items:center;gap:9px;flex-wrap:wrap;margin-top:14px;min-height:48px}
.arcade-action{border:0;border-radius:15px;padding:11px 16px;background:#eef6ff;color:#16324f;font:inherit;font-weight:900;cursor:pointer;box-shadow:0 4px 0 #c9def6;min-width:70px}
.arcade-action:active{transform:translateY(3px);box-shadow:0 1px 0 #c9def6}
.arcade-action.primary{background:#fff3cd;color:#7a4800;box-shadow:0 4px 0 #e9c258}
.arcade-action:disabled{opacity:.5;cursor:not-allowed;transform:none}
.arcade-footer-note{text-align:center;font-size:13px;opacity:.72;margin:12px 0 0}
.pro-arcade-game{min-height:100vh;color:#f8fdff;background:radial-gradient(circle at 8% 5%,rgba(105,237,255,.25),transparent 29rem),radial-gradient(circle at 92% 22%,rgba(255,225,95,.18),transparent 27rem),linear-gradient(145deg,#071b40,#086583 57%,#073a67);overscroll-behavior:none}
.pro-arcade-game .wrap{width:min(100%,1080px);max-width:none;padding-bottom:max(52px,env(safe-area-inset-bottom))}
.pro-arcade-game .topbar{color:#fff;border:1px solid rgba(255,255,255,.19);background:rgba(4,32,66,.42);box-shadow:0 18px 55px rgba(0,0,0,.23);backdrop-filter:blur(14px)}
.pro-arcade-game .topbar .logo{color:#fff}.pro-arcade-game .topbar .logo span{color:#72ebff}.pro-arcade-game .topbar select,.pro-arcade-game .topbar button{min-height:44px;color:#fff;border:1px solid rgba(255,255,255,.2);background:rgba(4,34,73,.72);box-shadow:none}
.pro-arcade-game .arcade-shell{position:relative;max-width:900px;color:#fff;border:1px solid rgba(255,255,255,.2);background:linear-gradient(145deg,rgba(9,60,103,.92),rgba(5,34,72,.95));box-shadow:0 36px 105px rgba(0,0,0,.38),inset 0 1px rgba(255,255,255,.12)}
.pro-arcade-game .arcade-title h1{letter-spacing:-.045em;text-shadow:0 10px 34px rgba(0,0,0,.28)}
.pro-arcade-game .arcade-action,.pro-arcade-game .difficulty-label{color:#17324d;background:linear-gradient(180deg,#fff,#dcf4ff);box-shadow:0 5px 0 #78abc8}
.pro-arcade-game .difficulty-select{min-height:40px;color:#fff;border:0;background:#176ca9}
.pro-arcade-game .arcade-hud{grid-template-columns:repeat(4,1fr)}.pro-arcade-game .arcade-stat{display:grid;place-items:center;align-content:center;min-height:66px;color:#dff5ff;border:1px solid rgba(255,255,255,.17);background:linear-gradient(145deg,rgba(14,76,120,.84),rgba(7,46,88,.88));box-shadow:0 14px 30px rgba(0,0,0,.17),inset 0 1px rgba(255,255,255,.08)}.pro-arcade-game .arcade-stat b{color:#fff;font-size:1.42rem;text-shadow:0 4px 12px rgba(0,0,0,.23)}
.pro-arcade-game .arcade-guide{color:#e4f6ff;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07)}.pro-arcade-game .arcade-guide strong{color:#ffe56c}.pro-arcade-game .arcade-guide p{color:#d9effa}
.pro-arcade-game .arcade-stage{border:1px solid rgba(255,255,255,.27);border-radius:29px;background:#071f47;box-shadow:0 30px 85px rgba(0,0,0,.4),inset 0 1px rgba(255,255,255,.13);isolation:isolate}
.pro-arcade-game .arcade-stage::after{content:"";position:absolute;inset:0;z-index:4;pointer-events:none;background:linear-gradient(135deg,rgba(255,255,255,.08),transparent 32%)}
.pro-arcade-game .arcade-panel{color:#fff;border:1px solid rgba(255,255,255,.22);background:linear-gradient(150deg,#1474b2,#082f69);box-shadow:0 30px 80px rgba(0,0,0,.45)}.pro-arcade-game .arcade-panel p{color:#dcf3ff}.pro-arcade-game .arcade-panel .btn{color:#273859;background:linear-gradient(180deg,#fff47c,#ffc83f);box-shadow:0 6px 0 #b87918}
.pro-arcade-game .arcade-actions{padding:5px}.pro-arcade-game .arcade-action:active{box-shadow:0 2px 0 #78abc8}.pro-arcade-game .arcade-footer-note{color:#cae7f3;opacity:1}
@media(max-width:680px){
  .arcade-shell{margin:14px auto;padding:14px;border-radius:20px}
  .arcade-hud{grid-template-columns:1fr 1fr}
  .arcade-stat{padding:7px;font-size:13px}.arcade-stat b{font-size:17px}
  .arcade-guide{font-size:14px;padding:10px 12px}
  .arcade-action{padding:10px 13px;min-width:58px}
  .pro-arcade-game .wrap{padding-left:8px;padding-right:8px}.pro-arcade-game .arcade-shell{margin:10px auto;padding:13px}.pro-arcade-game .arcade-hud{grid-template-columns:1fr 1fr}.pro-arcade-game .arcade-stat{min-height:58px}.pro-arcade-game .arcade-stage{border-radius:20px}.pro-arcade-game .arcade-actions{position:sticky;bottom:max(6px,env(safe-area-inset-bottom));z-index:8;border-radius:18px;background:rgba(4,31,67,.82);backdrop-filter:blur(10px)}
}