:root{--bg-dark: #0f172a;--bg-darker: #020617;--bg-card: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent: #3b82f6;--accent-hover: #2563eb;--danger: #ef4444;--danger-hover: #dc2626;--border: #334155;font-family:Inter,system-ui,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-darker);color:var(--text-primary);height:100vh;overflow:hidden}#root{height:100%}.room-container{display:flex;flex-direction:column;height:100%}.room-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background-color:var(--bg-dark);border-bottom:1px solid var(--border)}.room-header h1{font-size:1.25rem;font-weight:600;color:var(--text-secondary)}.share-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:.5rem;border:none;background-color:var(--accent);color:#fff;font-weight:500;cursor:pointer;transition:all .2s ease}.share-btn:hover{background-color:var(--accent-hover);transform:translateY(-1px)}.share-btn.active{background-color:var(--danger)}.share-btn.active:hover{background-color:var(--danger-hover)}.room-main{flex:1;display:flex;flex-direction:column;padding:1rem;gap:1rem;overflow:hidden}.active-view{flex:1;background-color:var(--bg-dark);border-radius:1rem;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a}.active-view video{width:100%;height:100%;object-fit:contain}.empty-state{color:var(--text-secondary);font-size:1.1rem}.thumbnails{display:flex;gap:1rem;overflow-x:auto;padding-bottom:.5rem;height:160px;flex-shrink:0}.thumbnails::-webkit-scrollbar{height:8px}.thumbnails::-webkit-scrollbar-track{background:var(--bg-darker)}.thumbnails::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.thumbnail{min-width:200px;max-width:200px;height:100%;background-color:var(--bg-card);border-radius:.75rem;border:2px solid transparent;overflow:hidden;position:relative;cursor:pointer;transition:all .2s ease;display:flex;flex-direction:column}.thumbnail:hover{transform:translateY(-2px);border-color:var(--border)}.thumbnail.active{border-color:var(--accent)}.thumbnail video{flex:1;width:100%;object-fit:cover;background-color:#000}.thumbnail .avatar{flex:1;display:flex;align-items:center;justify-content:center;background-color:var(--bg-dark);font-size:2rem;font-weight:700;color:var(--text-secondary)}.thumbnail .label{padding:.5rem;font-size:.875rem;text-align:center;background-color:var(--bg-card);color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.join-container{display:flex;align-items:center;justify-content:center;height:100vh;background-color:var(--bg-darker)}.join-card{background-color:var(--bg-card);padding:2rem;border-radius:1rem;border:1px solid var(--border);display:flex;flex-direction:column;gap:1.5rem;width:100%;max-width:400px;box-shadow:0 10px 15px -3px #0000004d}.join-card h2{text-align:center;color:var(--text-primary);font-weight:600}.join-card input{padding:.75rem 1rem;border-radius:.5rem;border:1px solid var(--border);background-color:var(--bg-dark);color:var(--text-primary);font-size:1rem;outline:none;transition:border-color .2s}.join-card input:focus{border-color:var(--accent)}.join-card button{padding:.75rem;border-radius:.5rem;border:none;background-color:var(--accent);color:#fff;font-weight:600;font-size:1rem;cursor:pointer;transition:background-color .2s}.join-card button:hover:not(:disabled){background-color:var(--accent-hover)}.join-card button:disabled{background-color:var(--border);color:var(--text-secondary);cursor:not-allowed}