:root{--bg: #0d0f12;--bg-elev: #161a20;--border: #2a2f3a;--text: #e6e7eb;--text-dim: #8d91a0;--accent: #7fd0e6;--accent-dim: #1a3238;--danger: #ff4f6d;--warn: #f2c94c;--header-h: 52px;font-family:Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-height:100vh}#app{max-width:1100px;margin:0 auto;padding:16px;padding-top:calc(var(--header-h) + 16px)}#top-bar{position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:40;background:var(--bg);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 16px}#top-bar h1{font-size:1.05rem;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#room-code-display{color:var(--text-dim);font-family:monospace;letter-spacing:2px;font-size:.85rem;flex-shrink:0}.hidden{display:none!important}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:12px;padding:24px;max-width:560px;margin:0 auto}.card.center{text-align:center}h2{margin-top:0}h3{font-size:.95rem;color:var(--text-dim);margin:18px 0 8px}input[type=text]{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:10px 12px;font-size:1rem;width:100%;margin-bottom:10px}button{background:var(--accent);color:#0c1410;border:none;border-radius:8px;padding:10px 16px;font-size:.95rem;font-weight:600;cursor:pointer;transition:opacity .15s,transform .1s}button:hover:not(:disabled){opacity:.85}button:disabled{background:var(--border);color:var(--text-dim);cursor:not-allowed}button.secondary{background:var(--bg);border:1px solid var(--border);color:var(--text)}button.danger{background:transparent;border:1px solid var(--danger);color:var(--danger)}button.armed{outline:2px solid var(--warn);outline-offset:2px}.row{display:flex;gap:10px;align-items:center;margin-bottom:10px}.row input{flex:1;margin-bottom:0}.row button{flex:1}.divider{text-align:center;color:var(--text-dim);margin:14px 0;font-size:.85rem}.error{color:var(--danger);min-height:1.2em;margin-top:8px}.hint{color:var(--text-dim);font-size:.9rem}.dot{width:10px;height:10px;border-radius:50%;display:inline-block;flex-shrink:0}#lobby-players{list-style:none;padding:0;margin:12px 0}#lobby-players li{padding:8px 10px;border-radius:8px;margin-bottom:6px;background:var(--bg);border:1px solid var(--border);display:flex;align-items:center;gap:8px}.tag-host{font-size:.7rem;color:var(--accent);border:1px solid var(--accent-dim);padding:1px 6px;border-radius:4px;margin-left:auto}#screen-lobby button,#screen-results button{width:100%;margin-top:10px}.stage{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;overflow:hidden;background:#cfe6f8}.mountain-viewport{position:relative;width:100%;height:100%}#express-mountain,#live-mountain{width:100%;height:100%;display:block}.hud-chip{position:absolute;top:14px;left:16px;background:#0d0f12b8;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);color:var(--text);padding:6px 12px;border-radius:8px;font-size:.85rem;z-index:3}#round-timer-container{position:absolute;top:50px;left:16px;width:140px;height:7px;background:#0d0f1280;border-radius:4px;overflow:hidden;z-index:3}#round-timer-bar{height:100%;width:100%;background:var(--accent);border-radius:4px;transition:width .2s linear,background .2s linear}#round-timer-text{position:absolute;top:50px;left:164px;font-size:.75rem;color:var(--text-dim);background:#0d0f1299;padding:1px 6px;border-radius:4px;z-index:3}.progress-rail{position:absolute;top:0;right:0;bottom:0;width:64px;display:block;pointer-events:none;z-index:1}.stage-overlay{position:absolute;bottom:16px;right:92px;width:228px;max-height:calc(100% - 32px);overflow-y:auto;background:#0d0f12c7;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:14px;display:flex;flex-direction:column;gap:8px;box-shadow:0 8px 28px #0006;z-index:2}.stage-overlay .danger{margin-top:4px}.action-bar{display:flex;flex-direction:column;gap:8px}.action-bar button{width:100%}#live-wins{list-style:none;padding:0;margin:0 0 10px;display:flex;flex-direction:column;gap:4px;max-height:140px;overflow-y:auto}#live-wins li{display:flex;align-items:center;gap:8px;font-size:.85rem}#live-status{min-height:1.2em}#toast{position:fixed;top:14px;left:50%;transform:translate(-50%);z-index:1000;background:#12141cf2;color:var(--text);border:1px solid var(--border);padding:10px 18px;border-radius:8px;font-size:.9rem;max-width:90vw;text-align:center;box-shadow:0 4px 16px #00000059}@media (max-width: 860px){#app{padding:8px;padding-top:calc(var(--header-h) + 8px)}#top-bar h1{font-size:.95rem}.card{width:100%;padding:16px;margin:0}.stage{display:flex;flex-direction:column}.mountain-viewport{position:relative;flex:1 1 auto;min-height:0;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}#express-mountain,#live-mountain{min-height:480px;height:100%}.progress-rail{width:46px;min-height:480px;height:100%}.stage-overlay{position:relative;flex:0 0 auto;top:auto;left:auto;right:auto;bottom:auto;width:100%;max-height:none;border-radius:16px 16px 0 0;padding:8px 12px calc(8px + env(safe-area-inset-bottom,0px));gap:5px}.stage-overlay .action-bar{gap:5px}.stage-overlay button{padding:7px 12px;font-size:.85rem}.stage-overlay .hint{font-size:.78rem}#express-sidebar #express-action-bar{order:1}#express-sidebar #express-action-hint{order:2}#express-sidebar #btn-leave-express{order:3}#live-sidebar #live-action-bar{order:1}#live-sidebar #live-action-hint,#live-sidebar #live-status{order:2}#live-sidebar h3,#live-sidebar #live-wins,#live-sidebar #btn-back-home-live{order:3}#live-sidebar h3{margin:4px 0 2px;font-size:.8rem}#live-sidebar #live-wins{max-height:70px;margin-bottom:2px}}