/* 
 * PPPoE Client Management System
 * Critical CSS - Always loaded first to ensure core styling
 */

: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-bg: #f8f9fa;
    --sidebar-width: 250px;
    --sidebar-collapsed-width: 70px;
    --header-height: 60px;
    --footer-height: 60px;
    --border-radius: 0.375rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --transition-speed: 0.3s;
}

/* Critical Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--secondary-color);
    color: white;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-speed) ease;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

/* Critical Navigation Styles */
.nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-speed) ease;
}

.nav-link:hover, .nav-item.active .nav-link {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-link i {
    margin-right: 0.75rem;
    font-size: 1.1rem;
    width: 1.5rem;
    text-align: center;
}

/* Critical Main Content Styles */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: all var(--transition-speed) ease;
}

/* Critical Welcome Card Styles */
.welcome-card {
    background-color: var(--primary-color) !important;
    color: white !important;
}

.welcome-card .card-body {
    padding: 2rem !important;
}

.welcome-card h4 {
    font-weight: 600 !important;
    margin-bottom: 0.5rem !important;
    color: white !important;
}

/* Critical Feature Icons Styles */
.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 1.5rem !important;
    color: white !important;
}

/* Critical Responsive Styles */
@media (max-width: 991.98px) {
    .sidebar {
        width: var(--sidebar-width);
        transform: translateX(-100%);
        z-index: 1050; /* Higher z-index to ensure it appears above other content */
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .btn-toggle-sidebar {
        display: block;
    }
    
    /* Ensure sidebar content is always visible */
    .nav-link span,
    .sidebar-title,
    .nav-header {
        display: block !important;
    }
}