body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.navbar {
    background-color: #1d5c9c;
    color: white;
    padding: 20px;
    border-radius: 5px;
    text-align: center;
    
}
.connection-controls,
.video-container,
.stats-container {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
#videoFeed {
    width: 100%;
    max-height: 500px;
    background-color: #000;
    border-radius: 5px;
    display: block;
    margin: 0 auto;
}
.input-group {
    margin-bottom: 1px;
    width: calc(100% - 22px);
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}
input[type="text"] {
    width: 100%;
    padding: 15px 0.5px;
    margin: 8px 0;
    font-size: 16px;
    border: 2px solid #ddd;
    border-radius: 5px;
    transition: border 0.3s;
}
input[type="text"]:focus {
    border-color: #3498db;
    outline: none;
}
.button-group {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}
#connectButton,
#disconnectButton {
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
    flex: 1;
}
#connectButton {
    background-color: #3498db;
    color: white;
}
#disconnectButton {
    background-color: #e74c3c;
    color: white;
    display: none;
}
button:hover {
    opacity: 0.9;
}
button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
#connectionStatus,
#error {
    margin-top: 15px;
    font-weight: bold;
    text-align: center;
}
#error {
    color: #e74c3c;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}
.stat-item {
    background-color: #f8f9fa;
    padding: 10px;
    border-radius: 5px;
    font-size: 14px;
}
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin-left: 10px;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
@media (max-width: 600px) {
    .button-group {
        flex-direction: column;
    }
    #connectButton, #disconnectButton {
        width: 100%;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}