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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 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;
    padding: 20px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

.regions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.region-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.region-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0,0,0,0.15);
}

.region-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.region-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.region-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ccc;
    animation: pulse 2s infinite;
}

.status-indicator.online {
    background: #10b981;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.status-indicator.offline {
    background: #ef4444;
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
}

.status-indicator.checking {
    background: #f59e0b;
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
}

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

.region-info {
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #e5e7eb;
    font-size: 0.9rem;
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    color: #6b7280;
    font-weight: 500;
}

.info-value {
    color: #111827;
    font-weight: 600;
}

.access-button {
    display: block;
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    text-align: center;
    border-radius: 8px;
    font-weight: 600;
    transition: opacity 0.2s;
    margin-top: 15px;
}

.access-button:hover {
    opacity: 0.9;
}

.access-button:disabled,
.access-button.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

footer {
    text-align: center;
    color: white;
    opacity: 0.8;
    font-size: 0.9rem;
    padding: 20px;
}

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