*{margin:0;padding:0;box-sizing:border-box}:root{--ui-bg: rgba(0, 0, 0, .55);--ui-border: rgba(255, 255, 255, .12);--ui-text: #ffffff;--ui-muted: rgba(255, 255, 255, .5);--ui-accent: #ffffff;--ui-danger: #ff4444;--ui-radius: 12px;--ui-gap: 14px;--ui-font: Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;--slider-track-h: 4px;--slider-thumb-size: 16px;--slider-fill: rgba(255, 255, 255, .9);--slider-empty: rgba(255, 255, 255, .18);--toggle-w: 44px;--toggle-h: 24px;--toggle-off: rgba(255, 255, 255, .18);--toggle-on: rgba(255, 255, 255, .9);--toggle-thumb: #000}body{overflow:hidden;background:#000;font-family:var(--ui-font);-webkit-user-select:none;user-select:none}canvas{position:fixed;inset:0;z-index:0}#startup-menu{position:fixed;inset:0;z-index:10;overflow-y:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px;padding:32px 24px;background:var(--ui-bg);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);pointer-events:auto}h1{color:var(--ui-text);font-size:clamp(32px,6vw,72px);letter-spacing:.12em;font-weight:600;text-transform:uppercase;flex-shrink:0}h2{color:var(--ui-text);font-size:clamp(16px,2.5vw,22px);font-weight:500;letter-spacing:.05em;align-self:flex-start}#startup-buttons{display:flex;flex-direction:column;gap:var(--ui-gap);pointer-events:auto;width:100%;max-width:400px}button{width:100%;min-width:0;background:transparent;color:var(--ui-text);border:1px solid var(--ui-border);border-radius:var(--ui-radius);padding:13px 20px;font-size:clamp(15px,1.8vw,20px);font-weight:500;font-family:var(--ui-font);white-space:nowrap;cursor:pointer;pointer-events:auto;transition:background .15s ease,color .15s ease,transform .05s ease,border-color .15s ease}button:hover{background:var(--ui-accent);color:#000;border-color:var(--ui-accent)}button:active{transform:scale(.98)}button.btn-danger:hover{background:var(--ui-danger);border-color:var(--ui-danger);color:#fff}input[type=text]{width:100%;min-width:0;background:transparent;color:var(--ui-text);border:1px solid var(--ui-border);border-radius:var(--ui-radius);padding:11px 16px;font-size:clamp(14px,1.6vw,18px);font-family:var(--ui-font);text-align:center;outline:none;pointer-events:auto;transition:border-color .15s ease}input[type=text]::placeholder{color:var(--ui-muted)}input[type=text]:focus{border-color:var(--ui-accent)}#map-select-menu{display:flex;flex-direction:column;align-items:center;gap:var(--ui-gap);pointer-events:auto;width:100%;max-width:min(680px,90vw)}#multiplayer-menu{display:flex;flex-direction:column;gap:var(--ui-gap);pointer-events:auto;width:100%;max-width:min(680px,90vw)}.rooms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:var(--ui-gap);width:100%;background:#00000040;border:1px solid var(--ui-border);border-radius:var(--ui-radius);padding:16px;min-height:80px;position:relative;max-height:320px;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.rooms-grid:before{content:"available rooms";position:absolute;top:-11px;left:14px;background:#000000b3;padding:0 8px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ui-muted);pointer-events:none;z-index:1}.rooms-grid:empty:after{content:"no rooms found";display:block;text-align:center;color:#ffffff4d;font-size:13px;padding:16px 0;width:100%}.room-card{background:#00000073;border:1px solid var(--ui-border);border-radius:var(--ui-radius);padding:8px 6px 10px;color:var(--ui-text);cursor:pointer;transition:background .15s ease,transform .05s ease,border-color .15s ease;display:flex;flex-direction:column;align-items:center;text-align:center;gap:5px}.room-card:hover{background:var(--ui-accent);color:#000;border-color:transparent;transform:scale(1.03)}.room-card img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:calc(var(--ui-radius) - 2px);display:block;border:1px solid rgba(255,255,255,.08)}.room-card h3{margin:0;font-size:13px;font-weight:600;line-height:1.2;word-break:break-all}.room-card p{margin:0;font-size:12px;opacity:.7}.room-card:hover h3,.room-card:hover p,.room-card.selected h3,.room-card.selected p{opacity:1}.room-card.selected{background:var(--ui-accent);color:#000;border-color:transparent}.action-buttons{display:flex;justify-content:center;gap:var(--ui-gap);width:100%}.action-buttons button{flex:1;min-width:0}#error-message{color:#ff6b6b;font-size:14px;font-weight:500;margin-top:2px;text-align:center;min-height:20px}.section-label{color:var(--ui-muted);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.1em;align-self:flex-start;margin-top:2px;margin-bottom:-6px}.map-select-compact{max-height:200px;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.2) transparent}.map-card .map-thumb-placeholder{display:none;width:100%;aspect-ratio:1;background:#ffffff0d;border-radius:calc(var(--ui-radius) - 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