* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 40px;
    animation: fadeInDown 0.6s ease-out;
}

header h1 {
    font-size: 3em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    font-size: 1.2em;
    opacity: 0.9;
}

.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    animation: fadeInUp 0.8s ease-out;
}

.card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.card h2 {
    color: #667eea;
    margin-bottom: 20px;
    font-size: 1.5em;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
}

.status-grid {
    display: grid;
    gap: 15px;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.status-item:hover {
    background: #e9ecef;
}

.status-label {
    font-weight: 600;
    color: #495057;
}

.status-badge {
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.online {
    background: #28a745;
    color: white;
}

.status-badge.offline {
    background: #dc3545;
    color: white;
}

.extensions-list {
    margin-bottom: 20px;
}

.extension-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.extension-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.ext-number {
    font-size: 1.3em;
    font-weight: bold;
    color: #667eea;
}

.ext-status {
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85em;
    font-weight: 600;
}

.ext-status.registered {
    background: #d4edda;
    color: #155724;
}

.ext-status.offline {
    background: #f8d7da;
    color: #721c24;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 15px;
}

.stat-box {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    color: white;
    transition: transform 0.3s ease;
}

.stat-box:hover {
    transform: scale(1.05);
}

.stat-value {
    font-size: 2.5em;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9em;
    opacity: 0.9;
}

.actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-info {
    background: #17a2b8;
    color: white;
}

.btn-warning {
    background: #ffc107;
    color: #333;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.info-box {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
}

.info-item {
    margin-bottom: 15px;
    line-height: 1.8;
}

.info-item:last-child {
    margin-bottom: 0;
}

code {
    background: #e9ecef;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: #d63384;
    font-weight: 600;
}

.client-config {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
}

.client-config ol {
    margin-left: 20px;
}

.client-config li {
    margin-bottom: 15px;
    line-height: 1.8;
}

.client-config ul {
    margin-top: 10px;
    margin-left: 20px;
}

.client-config ul li {
    margin-bottom: 8px;
}

footer {
    text-align: center;
    color: white;
    margin-top: 40px;
    padding: 20px;
    opacity: 0.9;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }
    
    .dashboard {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .actions {
        grid-template-columns: 1fr;
    }
}