:root {
    --primary-color: #0d6efd;
    --primary-hover: #0b5ed7;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fa;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.navbar-brand img {
    filter: brightness(0) invert(1);
}

.card {
    border-radius: 12px;
}

.card-body {
    padding: 2rem;
}

.btn {
    border-radius: 8px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.table {
    background-color: white;
}

.badge {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
}

footer a {
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: white !important;
}

.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0,0,0,.175) !important;
}

.display-4 {
    font-weight: 700;
}

.lead {
    font-size: 1.15rem;
}

@media (max-width: 768px) {
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .btn-group-sm > .btn {
        padding: 0.25rem 0.5rem;
    }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.card {
    animation: fadeIn 0.5s ease-in-out;
}

.btn-link:hover {
    text-decoration: none;
    opacity: 0.7;
}

/* Footer Styles */
footer .hover-link:hover {
    color: white !important;
    padding-left: 5px;
    transition: all 0.3s ease;
}

footer .social-links a {
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

footer .social-links a:hover {
    color: var(--primary-color) !important;
}

.navbar .nav-link.active {
    font-weight: 600;
    border-bottom: 2px solid white;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.min-vh-100 {
    min-height: calc(100vh - 200px);
}

/* Responsive Footer */
@media (max-width: 768px) {
    footer .col-md-6, footer .col-lg-3, footer .col-lg-2 {
        text-align: center !important;
        margin-bottom: 2rem;
    }
    
    footer .social-links {
        justify-content: center;
        display: flex;
    }
}