.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:#2a2a2a;padding:20px;text-align:center;border-bottom:1px solid #444}.app-header h1{margin:0 0 10px;font-size:24px}.connection-status{display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px}.status-indicator{width:10px;height:10px;border-radius:50%;display:inline-block}.status-indicator.connected{background:#4CAF50}.status-indicator.disconnected{background:#f44336}.status-indicator.connecting{background:#ff9800;animation:pulse 1s infinite}@keyframes pulse{0%{opacity:1}50%{opacity:.5}to{opacity:1}}.app-main{flex:1;padding:20px;max-width:1200px;margin:0 auto;width:100%}.join-form{background:#2a2a2a;padding:30px;border-radius:8px;max-width:400px;margin:50px auto;text-align:center}.join-form h2{margin-bottom:20px}.input-field{width:100%;padding:12px;margin-bottom:15px;border:1px solid #555;border-radius:4px;background:#333;color:#fff;font-size:16px}.input-field:focus{outline:none;border-color:#4caf50}.button{background:#4CAF50;color:#fff;border:none;padding:12px 24px;border-radius:4px;cursor:pointer;font-size:16px;font-weight:500;transition:background-color .2s}.button:hover{background:#45a049}.button:disabled{background:#666;cursor:not-allowed}.button.primary{background:#2196F3}.button.primary:hover{background:#1976D2}.button.danger{background:#f44336}.button.danger:hover{background:#da190b}.button.secondary{background:#666}.button.secondary:hover{background:#555}.button.large{padding:16px 32px;font-size:18px;min-width:200px}.button.small{padding:8px 16px;font-size:14px}.mode-selection{text-align:center;padding:40px 20px}.mode-selection h2{margin-bottom:20px;font-size:28px}.mode-selection p{margin-bottom:30px;font-size:16px;opacity:.8}.mode-buttons{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.form-actions{display:flex;gap:15px;justify-content:center;margin-top:20px}.codec-selection-group{display:flex;flex-direction:column;gap:10px;margin-bottom:15px}.codec-info{padding:8px 12px;background:#1a4d2e;border:1px solid #2d7a47;border-radius:4px;font-size:14px}.codec-badge{color:#4caf50;font-weight:500}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px;color:#ccc}.checkbox-label input[type=checkbox]{width:18px;height:18px;cursor:pointer}.checkbox-label:hover{color:#fff}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#1a1a1a;color:#fff}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}