:root{--bg:#0f1115;--sidebar:#0b0d10;--panel:#0f1317;--accent:#5865f2;--muted:#9aa4b2;--card:#0f1724;--text:#e6eef8}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text);height:100vh}.app{display:flex;height:100vh}.sidebar{width:260px;background:var(--sidebar);padding:16px;display:flex;flex-direction:column;gap:12px;border-right:1px solid rgba(255,255,255,.03)}.brand{font-weight:800;color:var(--accent);font-size:20px;padding:6px 0}.rooms{flex:1;overflow:auto}.room{padding:10px;border-radius:8px;margin-bottom:6px;cursor:pointer;color:var(--muted);display:flex;align-items:center;gap:8px}.room:hover{background:#ffffff05;color:var(--text)}.room.active{background:#5865f21f;color:var(--text);font-weight:700}.main{flex:1;display:flex;flex-direction:column}.header{height:64px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.03);display:flex;align-items:center;justify-content:space-between;background:linear-gradient(90deg,rgba(255,255,255,.01),transparent)}.container{display:flex;flex:1;overflow:hidden}.chat{flex:1;display:flex;flex-direction:column;background:linear-gradient(180deg,rgba(255,255,255,.01),transparent)}.messages{flex:1;padding:20px;overflow:auto}.msg{margin-bottom:14px;display:flex;gap:12px;align-items:flex-start}.avatar{width:44px;height:44px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#2dd4bf);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff}.msg .body{max-width:800px}.meta{font-size:12px;color:var(--muted);margin-bottom:6px}.input{padding:12px;border-top:1px solid rgba(255,255,255,.03);display:flex;gap:8px;align-items:center;background:var(--panel)}.input input{flex:1;padding:10px;border-radius:8px;border:1px solid rgba(255,255,255,.04);background:transparent;color:var(--text)}.panel{width:340px;background:var(--panel);padding:12px;display:flex;flex-direction:column;gap:12px;border-left:1px solid rgba(255,255,255,.03)}.user{display:flex;align-items:center;gap:12px;padding:8px;background:#ffffff05;border-radius:8px}.controls{display:flex;gap:8px;margin-top:8px}.btn{padding:8px 10px;border-radius:8px;background:#ffffff08;border:none;color:var(--text);cursor:pointer;transition:all .2s}.btn:hover:not(:disabled){background:#ffffff14}.btn:disabled{opacity:.4;cursor:not-allowed}.btn.primary{background:var(--accent);color:#fff}.small{font-size:12px;color:var(--muted)}.rooms-list{display:flex;flex-direction:column;gap:8px}.notice{padding:8px;background:#5865f214;border-radius:8px;color:var(--text);font-size:13px}.video{width:100%;height:160px;background:#000;border-radius:8px}.empty-note{text-align:center;padding:40px 20px;color:var(--muted);font-size:14px}