* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #1a1a1a;
}

.container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background-color: #1a1a1a;
    padding: 20px 0;
}

.brand {
    padding: 0 24px 20px;
    color: #ffffff;
    font-size: 18px;
    font-weight: bold;
    border-bottom: 1px solid #404040;
    margin-bottom: 10px;
}

.brand span {
    display: block;
    font-size: 14px;
    color: #999;
    font-weight: normal;
    margin-top: 2px;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    color: #ffffff;
    cursor: pointer;
    transition: background-color 0.3s;
}

.menu-item:hover {
    background-color: #2d2d2d;
}

.menu-item.active {
    background-color: #2d2d2d;
}

.icon {
    width: 24px;
    height: 24px;
    margin-right: 12px;
    fill: #ffffff;
}

.main-content {
    flex: 1;
    padding: 30px;
    background-color: #1a1a1a;
}

.header {
    margin-bottom: 30px;
}

.header h2 {
    color: #ffffff;
    font-size: 24px;
}

.info-section {
    background-color: #2d2d2d;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.info-item {
    display: flex;
    align-items: center;
}

.info-item label {
    font-weight: bold;
    margin-right: 10px;
    color: #999;
}

.info-item span {
    color: #ffffff;
}

.channel-section {
    background-color: #2d2d2d;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.channel-row {
    display: flex;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid #404040;
}

.channel-row:last-child {
    border-bottom: none;
}

.channel-info h3 {
    color: #ffffff;
    margin-bottom: 15px;
}

.url-info {
    margin-bottom: 10px;
}

.url-info label {
    display: block;
    color: #999;
    margin-bottom: 5px;
    font-size: 14px;
}

.url-info input {
    width: 400px;
    padding: 8px;
    border: 1px solid #404040;
    border-radius: 4px;
    background-color: #1a1a1a;
    color: #ffffff;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #ff0000;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

.status-actions {
    display: flex;
    gap: 12px;
}

.action-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.action-button svg {
    width: 20px;
    height: 20px;
    fill: #ffffff;
}

.action-button:hover svg {
    fill: #cccccc;
}

.status-indicator.active,
.status-indicator.inactive,
.status-indicator.active .status-dot,
.status-indicator.inactive .status-dot {
    background-color: transparent;
    color: #ffffff;
}