:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    margin: 0;
    padding: 0;
}

.card {
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-5px);
}

.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    background-color: white;
}

.client-card {
    cursor: pointer;
}

.client-card.online {
    border-left: 4px solid var(--success-color);
}

.client-card.offline {
    border-left: 4px solid var(--danger-color);
}

.client-card.stale {
    border-left: 4px solid var(--danger-color);
    box-shadow: 0 0 12px rgba(231, 76, 60, 0.2);
}

.terminal {
    background-color: #2c3e50;
    color: #ecf0f1;
    font-family: 'Courier New', Courier, monospace;
    padding: 15px;
    border-radius: 5px;
    height: 400px;
    overflow-y: auto;
}

.file-explorer {
    height: 400px;
    overflow-y: auto;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.file-item {
    padding: 8px 15px;
    border-bottom: 1px solid #eee;
    cursor: pointer;
}

.file-item:hover {
    background-color: #f5f5f5;
}

.folder {
    color: var(--warning-color);
}

.file {
    color: var(--info-color);
}

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

.stat-card {
    text-align: center;
    padding: 20px;
}