.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-card i {
    font-size: 2rem;
    color: #3498db;
    margin-bottom: 10px;
}

.stat-val {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
}

.stat-label {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.ttl-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    background: #f0f2f5;
}

.key-list {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.online-dot {
    color: #2ecc71;
}

.offline-dot {
    color: #e74c3c;
}