/* The arcade is scoped to its own room; existing scene layouts stay intact. */
.arcade-room .arcade-scene{position:relative;top:0;display:flex;flex-direction:column;height:calc(100dvh - 180px);min-height:640px;max-height:850px;background:#090f1c;border-color:#93c9c62c}
.arcade-hud{display:grid;grid-template-columns:1.25fr 1.5fr .7fr .7fr;gap:12px;padding:18px 24px 15px;border-bottom:1px solid #93c9c61b;background:#0e1827;flex:none;z-index:2}
.arcade-hud>div{display:flex;flex-direction:column;gap:3px}
.arcade-hud span{font-size:8px;letter-spacing:1.7px;color:#9daec3}
.arcade-hud output{font:22px/1.2 Consolas,monospace;letter-spacing:1px;color:#eee9df;font-variant-numeric:tabular-nums}
.arcade-hud #arcade-best{color:#e3b98d}
.arcade-viewport{position:relative;flex:1;min-height:0;overflow:hidden}
.arcade-scene #arcade-canvas{position:absolute;inset:0;width:100%;height:100%;outline-offset:-5px;touch-action:pan-y;z-index:1}
.arcade-overlay{position:absolute;z-index:3;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:22px;background:linear-gradient(#0a112488,#0a1124ec 36%,#0a1124ee 74%,#0a112488)}
.arcade-overlay .eyebrow{color:#99c6c6;font-size:9px;letter-spacing:2px}
.arcade-overlay h2{font-size:clamp(38px,5vw,66px);letter-spacing:-1.5px;margin:14px 0 16px;color:#f4e9d8}
.arcade-overlay>p:not(.eyebrow){font-size:13px;color:#b3becf;line-height:1.8}
.arcade-key-hint{display:flex;gap:18px;margin:22px 0 26px;color:#b4bfcd;font-size:11px;flex-wrap:wrap;justify-content:center}
.arcade-room kbd{display:inline-block;font:11px/1.2 Consolas,monospace;border:1px solid #435268;border-bottom-width:3px;background:#152237;color:#dddeda;border-radius:4px;min-width:25px;padding:5px 8px;text-align:center}
.arcade-controls{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;padding:12px 18px;background:#101a29;border-top:1px solid #93c9c61b;flex:none;z-index:2}
.arcade-movement,.arcade-options{display:flex;gap:7px;align-items:center}
.arcade-touch{min-height:46px;min-width:64px;border:1px solid #3a4a60;border-radius:9px;background:#1a2b3f;color:#cbdadf;display:flex;gap:9px;align-items:center;justify-content:center;font:13px/1.2 Consolas,monospace;padding:10px 12px;touch-action:none;user-select:none;-webkit-user-select:none}
.arcade-touch.active,.arcade-touch:active{background:#37465a;border-color:#c3dbd1}
.arcade-touch kbd{font-size:9px;min-width:19px;padding:3px 5px;pointer-events:none}
.arcade-fire{color:#f0d1b2;border-color:#8a695150}
.arcade-options .button{min-height:42px;font-size:11px;padding:9px 12px}
.arcade-options button:disabled{cursor:default}
.arcade-banner{position:absolute;z-index:2;top:44%;left:12px;right:12px;text-align:center;font:20px/1.4 Consolas,monospace;color:#f5dcc4;pointer-events:none;text-shadow:0 2px 8px #000}
.arcade-guide h2{font-size:25px;margin:9px 0 15px}
.arcade-guide p{color:#aeb9c8;font-size:12px;line-height:1.85;margin-top:13px}
.arcade-guide .eyebrow{font-size:8px;color:#9daec3;margin-top:0}
.arcade-key-list{margin:20px 0;display:grid;gap:9px}
.arcade-key-list>div{display:flex;align-items:center;gap:12px}
.arcade-key-list dt{min-width:68px}
.arcade-key-list dd{margin:0;color:#c1c7d0;font-size:12px}
.arcade-solo-badge{display:inline-block;margin-top:17px;border:1px solid #94c0ad38;border-radius:20px;padding:6px 12px;font-size:10px;color:#aec5b6}
.arcade-room.room-expanded .experience-grid{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr)}
.arcade-room.room-expanded .arcade-scene{height:100%;min-height:0;max-height:none}
.arcade-room.room-expanded .room-sidebar{display:none}
.arcade-room.room-expanded .fullscreen-room-settings{right:12px}
@media(max-width:800px){.arcade-room .arcade-scene{height:730px;min-height:0}.arcade-room .room-sidebar{grid-template-columns:1fr 1fr}}
@media(max-width:520px){
 .arcade-room .arcade-scene{height:640px}
 .arcade-room .room-sidebar{grid-template-columns:1fr}
 .arcade-hud{padding:13px 12px;gap:8px}
 .arcade-hud span{font-size:7px;letter-spacing:1px}
 .arcade-hud output{font-size:18px;letter-spacing:0}
 .arcade-controls{padding:10px;gap:8px}
 .arcade-touch{min-width:62px;padding:10px;gap:6px}
 .arcade-options{margin-left:auto}
 .arcade-options .button{padding:8px;min-height:42px;font-size:10px}
 .arcade-key-hint{gap:11px}
 .arcade-overlay{padding:16px}
 .arcade-overlay h2{font-size:44px}
}
@media(max-height:500px){
 .arcade-room.room-expanded .arcade-hud{padding:6px 14px;gap:10px}
 .arcade-room.room-expanded .arcade-hud output{font-size:17px}
 .arcade-room.room-expanded .arcade-controls{padding:6px 10px}
 .arcade-room.room-expanded .arcade-touch{min-height:38px;padding:6px 12px}
 .arcade-room.room-expanded .arcade-options .button{min-height:38px;padding:6px 10px}
 .arcade-room.room-expanded .arcade-overlay{padding:8px}
 .arcade-room.room-expanded .arcade-overlay h2{font-size:30px;margin:5px 0}
 .arcade-room.room-expanded .arcade-overlay>p:not(.eyebrow){font-size:11px;line-height:1.4}
 .arcade-room.room-expanded .arcade-key-hint{margin:8px 0;gap:12px}
 .arcade-room.room-expanded .arcade-overlay .button{min-height:36px;padding:8px 14px}
 .arcade-room.room-expanded .arcade-banner{font-size:16px}
}

/* Volume keeps its own keyboard adjustment and fits beside the game actions. */
.arcade-options{flex-wrap:wrap;justify-content:flex-end}
.arcade-volume{display:flex;align-items:center;gap:9px;font-size:10px;color:#b3bfce}
.arcade-volume>span{min-width:78px;white-space:nowrap}
.arcade-volume output{display:inline-block;min-width:30px;text-align:right;color:#e3b98d;font-variant-numeric:tabular-nums}
.arcade-volume input{width:105px;margin:0;accent-color:var(--accent)}
@media(max-width:520px){.arcade-options{width:100%;justify-content:space-between}.arcade-volume{gap:6px}.arcade-volume input{width:95px}.arcade-volume>span{min-width:74px}}
@media(max-width:360px){.arcade-volume{width:100%;justify-content:flex-end}.arcade-volume input{flex:1}}

/* Music and effects are independent, with compact stacked controls. */
.arcade-mix{display:grid;gap:2px}
@media(max-width:360px){.arcade-mix{width:100%}.arcade-mix .arcade-volume{justify-content:flex-start}}