/* Custom styling for Cold Chain Logistics Directory with optimized CSS */

/* Define variables for consistency and smaller CSS */
:root {
    --card-pattern: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    --card-transform: translateY(-5px);
    --card-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    --transition-speed: 0.3s ease;
    --sidebar-width: 250px;
}

/* Company card hover effect */
.company-card {
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.company-card:hover {
    transform: var(--card-transform);
    box-shadow: var(--card-shadow);
}

/* Custom icon colors */
.text-info {
    color: var(--bs-info) !important;
}

/* Background subtle pattern for cards */
.card {
    background-image: var(--card-pattern);
    background-size: 20px 20px;
    background-position: center;
}

/* Improved focus styles for accessibility */
a:focus, button:focus {
    outline: 2px solid var(--bs-info);
    outline-offset: 2px;
}

/* Use content-visibility for better performance on supported browsers */
section {
    content-visibility: auto;
    contain-intrinsic-size: 1px 500px;
}

/* Admin panel styles */
.sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 48px 0 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
    width: var(--sidebar-width);
}

.sidebar .nav-link {
    font-weight: 500;
    color: var(--bs-body-color);
    padding: .75rem 1.25rem;
    border-radius: 0;
}

.sidebar .nav-link:hover {
    background-color: rgba(var(--bs-info-rgb), 0.1);
}

.sidebar .nav-link i {
    width: 20px;
    text-align: center;
}

/* Hide admin sidebar on small screens */
@media (max-width: 767.98px) {
    .sidebar {
        position: static;
        width: 100%;
        padding-top: 0;
    }
}

/* Mobile menu button styling */
.navbar-toggler {
    background-color: transparent;
    border: 1px solid rgba(var(--bs-info-rgb), 0.3);
    border-radius: 4px;
    padding: 0.375rem 0.75rem;
    color: var(--bs-body-color);
    transition: all 0.2s ease-in-out;
}

.navbar-toggler:hover {
    background-color: rgba(var(--bs-info-rgb), 0.1);
}

.navbar-toggler:focus {
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(var(--bs-info-rgb), 0.25);
}

/* Mobile menu styling */
#mobileMenu {
    background-image: var(--card-pattern);
    background-size: 20px 20px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#mobileMenu .nav-link {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: background-color 0.2s ease;
}

#mobileMenu .nav-link:hover {
    background-color: rgba(var(--bs-info-rgb), 0.1);
}

#mobileMenu .nav-item:last-child .nav-link {
    border-bottom: none;
}

/* Responsive adjustments */
@media (max-width: 767.98px) {
    .display-5 { font-size: 2rem; }
    .fs-4 { font-size: 1.1rem !important; }
}

/* Admin login form styles */
.admin-login-container {
    max-width: 400px;
    margin: 5% auto;
}