:root {
    --primary-color: #003366;
    --primary-dark: #002347;
    --primary-light: #0b4f9f;
    --secondary-color: #1f2937;
    --secondary-light: #374151;
    --accent-color: #ff9800;
    --success-color: #16a34a;
    --warning-color: #ff9800;
    --danger-color: #dc2626;
    --info-color: #0ea5e9;
    --light-color: #f8f9fa;
    --dark-color: #111827;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --border-radius: 0.75rem;
    --box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
    --box-shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.12);
    --transition: all 0.2s ease;
    --focus-ring: rgba(0, 51, 102, 0.25);
}

/* Global Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', system-ui, -apple-system, Segoe UI, Arial, sans-serif;
    line-height: 1.6;
    color: var(--secondary-color);
    background-color: #f0f2f5;
}

/* Custom Bootstrap Overrides */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: none;
    box-shadow: var(--box-shadow-lg);
}

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

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: none;
}

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

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

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

/* Navbar Styles */
.navbar {
    box-shadow: none !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    padding-left: 20px;
    padding-top: 15px;
}

/* Page Content Padding Fix */
main > section {
    padding-left: 20px !important;
    padding-right: 20px !important;
}

/* Adjust top padding for first section to match navbar spacing */
main > section:first-of-type {
    padding-top: 2rem !important; /* Increase from py-4 (1.5rem) */
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Orbitron', system-ui, -apple-system, Segoe UI, Arial, sans-serif;
    font-style: italic;
    letter-spacing: 0.2em;
    transition: var(--transition);
}

.pas-brand-text {
    font-family: 'Orbitron', system-ui, -apple-system, Segoe UI, Arial, sans-serif;
    font-style: italic;
    letter-spacing: 0.22em;
}

.pas-brand-sub {
    font-family: 'Roboto', system-ui, -apple-system, Segoe UI, Arial, sans-serif;
    font-style: normal;
    letter-spacing: normal;
    margin-left: 0.35rem;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--secondary-light);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.nav-link {
    font-weight: 500;
    transition: var(--transition);
    border-radius: var(--border-radius);
    margin: 0 0.25rem;
}

@media (min-width: 992px) {
    .navbar-nav .nav-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0.6rem 0.8rem;
    }
}

.nav-link:hover {
    background-color: var(--light-color);
    color: var(--primary-color) !important;
    transform: none;
}

.navbar-toggler {
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 0.45rem 0.65rem;
}

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

.navbar-toggler-icon {
    width: 1.25em;
    height: 1.25em;
    background-size: 100% 100%;
}

.nav-icon {
    width: 1.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nav-cart-badge {
    min-width: 1.5rem;
    padding: 0.35rem 0.55rem;
}

.nav-cart-left {
    display: inline-flex;
    align-items: center;
}

@media (min-width: 992px) {
    .nav-cart-badge {
        position: absolute;
        top: 0.15rem;
        right: 0.1rem;
        transform: translate(50%, -50%);
        min-width: 1.25rem;
        padding: 0.25rem 0.45rem;
    }
}

@media (max-width: 991.98px) {
    .nav-cart-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.75rem;
    }

    .nav-cart-badge {
        position: static;
        transform: none;
    }
}

/* Search Bar Styles */
.navbar .input-group {
    background: #f5f5f5;
    border-radius: 999px;
    padding: 0.35rem;
}

.input-group .form-control {
    border-right: none;
    transition: var(--transition);
    border-radius: 999px;
}

.navbar .input-group .form-control {
    background: transparent;
    border: 0;
    box-shadow: none;
}

.navbar .input-group .btn {
    border-radius: 999px;
}

.input-group .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem var(--focus-ring);
}

.input-group .btn {
    border-left: none;
}

/* Card Styles */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.card-img-top {
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

/* Product Card Styles */
.product-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    overflow: hidden;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.product-card .product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-image {
    transform: scale(1.1);
}

.product-card .product-info {
    padding: 1rem;
}

.product-card .product-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.product-card .product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.product-card .product-original-price {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.section-container {
    margin-bottom: 1.25rem;
}

.section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.75rem;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.see-all {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.see-all:hover {
    color: var(--primary-color);
}

.categories-scroll {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    scroll-snap-type: x mandatory;
}

.categories-scroll .category-card {
    flex: 0 0 auto;
    min-width: 180px;
    border-radius: 1rem;
    padding: 0.9rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #fff;
    border: 0;
    box-shadow: var(--box-shadow);
    scroll-snap-align: start;
}

.categories-scroll .category-card .cat-name {
    font-weight: 700;
    font-size: 0.85rem;
    line-height: 1.2;
    max-width: 130px;
}

.categories-scroll .category-card .cat-icon {
    font-size: 1.4rem;
    opacity: 0.95;
}

.category-card.blue { background: #2563eb; }
.category-card.orange { background: #f97316; }
.category-card.purple { background: #7c3aed; }
.category-card.yellow { background: #f59e0b; }
.category-card.cyan { background: #06b6d4; }
.category-card.grey { background: #6b7280; }

.products-scroll {
    display: flex;
    gap: 0.9rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scroll-snap-type: x mandatory;
}

.products-scroll > .product-card {
    flex: 0 0 auto;
    width: 220px;
    border-radius: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    scroll-snap-align: start;
}

.prod-img-box {
    width: 100%;
    height: 150px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
}

.prod-img-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.prod-info {
    padding: 0.75rem 0.85rem;
}

.prod-brand {
    font-size: 0.72rem;
    font-weight: 700;
    color: #6b7280;
    letter-spacing: 0.06em;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
}

.prod-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.prod-price {
    font-size: 0.9rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 0;
}

.promo-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.9rem;
}

.promo-card {
    border-radius: 1.25rem;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: var(--box-shadow);
}

.promo-card.cyan { background: #cffafe; }
.promo-card.blue-light { background: #dbeafe; }

.promo-text h4 {
    margin: 0 0 0.25rem;
    font-size: 1rem;
    font-weight: 800;
    color: var(--secondary-color);
    line-height: 1.15;
}

.promo-text small {
    color: #6b7280;
    font-weight: 600;
}

.promo-img {
    width: 92px;
    height: 92px;
    border-radius: 0.9rem;
    object-fit: cover;
    background: #fff;
    flex: 0 0 auto;
}

/* Hero Banner Styles */
.hero-banner {
    padding: 2.5rem 0;
    margin-bottom: 2rem;
}

.hero-banner-frame {
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    padding: 1.5rem 2.5rem;
    background: #fff;
}

.hero-banner-media {
    width: 100%;
    aspect-ratio: 21 / 9;
    border-radius: 1rem;
    overflow: hidden;
    background: var(--light-color);
}

.hero-banner-image {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

/* Category Card Styles */
.category-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--box-shadow);
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
    border-color: var(--primary-color);
}

.category-card .category-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.category-card:hover .category-icon {
    transform: scale(1.1);
}

.category-card .category-name {
    font-weight: 600;
    color: var(--secondary-color);
}

.category-tile {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
}

.category-tile:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

.category-tile-media {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--light-color);
    overflow: hidden;
}

.category-tile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.category-tile-title {
    padding: 0.9rem 1rem;
    font-weight: 700;
    color: var(--secondary-color);
    line-height: 1.15;
    font-size: 1rem;
}

/* Badge Styles */
.badge {
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 50rem;
}

.badge-discount {
    background-color: var(--accent-color);
    color: white;
    font-weight: 700;
}

.badge-new {
    background-color: var(--primary-color);
    color: white;
    font-weight: 700;
}

.badge-featured {
    background-color: var(--warning-color);
    color: white;
    font-weight: 700;
}

/* Loading Styles */
.loading-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 0.25rem solid rgba(0, 51, 102, 0.2);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Back to Top Button */
#backToTop {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: none;
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
    box-shadow: var(--box-shadow-lg);
}

#backToTop:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

/* Footer Styles */
footer {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

footer h5, footer h6 {
    color: white;
    font-weight: 600;
}

footer a {
    color: #adb5bd;
    text-decoration: none;
    transition: var(--transition);
}

footer a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Form Styles */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem var(--focus-ring);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem var(--focus-ring);
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: var(--border-radius);
}

/* Modal Styles */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
}

/* Table Styles */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.table thead th {
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-weight: 600;
}

/* Pagination Styles */
.pagination {
    margin-bottom: 0;
}

.page-link {
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.page-link:hover {
    color: var(--primary-dark);
    background-color: var(--light-color);
    border-color: var(--primary-color);
}

.page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .product-card .product-image {
        height: 150px;
    }
    
    .category-card {
        padding: 1rem;
    }
    
    .category-card .category-icon {
        font-size: 2rem;
    }
}

@media (min-width: 992px) {
    .promo-grid {
        grid-template-columns: 1fr 1fr;
    }

    .products-scroll > .product-card {
        width: 240px;
    }

    .prod-img-box {
        height: 170px;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.2rem;
    }

    .navbar-nav {
        gap: 0.25rem;
    }

    .navbar-nav .nav-link {
        margin: 0;
        padding: 0.85rem 1rem;
    }
    
    .hero-banner {
        padding: 1.25rem 0;
    }

    .hero-banner-frame {
        padding: 1rem 1rem;
    }

    .breadcrumb {
        font-size: 0.9rem;
    }

    .products-page-title {
        font-size: 1.6rem;
        line-height: 1.1;
    }

    .products-header-actions {
        width: 100%;
    }

    .products-header-actions .btn {
        white-space: nowrap;
    }

    .products-header-actions #sortSelect {
        flex: 1 1 auto;
        min-width: 0;
    }

    .category-tile-title {
        padding: 0.75rem 0.85rem;
        font-size: 0.95rem;
    }

    .product-card .product-info {
        padding: 0.85rem;
    }

    .product-card .product-title {
        font-size: 0.95rem;
        line-height: 1.2;
        margin-bottom: 0.35rem;
    }

    .product-card .product-price {
        font-size: 1rem;
        white-space: nowrap;
    }

    .product-card .product-original-price {
        font-size: 0.8rem;
    }

    .product-card .product-image {
        height: 130px;
    }

    .product-cart-btn {
        width: 100%;
    }
    
    footer .col-lg-2 {
        margin-bottom: 2rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

.slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

/* Utility Classes */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.text-truncate-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
}

.bg-gradient-secondary {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
}

.shadow-custom {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.rounded-custom {
    border-radius: var(--border-radius);
}

.transition-all {
    transition: var(--transition);
}

/* Cart Badge */
.cart-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--danger-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* Rating Stars */
.rating {
    color: #ffc107;
}

.rating .bi-star-fill {
    font-size: 0.9rem;
}

.rating .text-muted {
    color: #dee2e6 !important;
}

/* Product Badge */
.product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 10;
}

/* Image Hover Effect */
.img-hover {
    transition: var(--transition);
}

.img-hover:hover {
    transform: scale(1.05);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Loading System Styles */
#global-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

#page-loading-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    z-index: 10000;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 107, 53, 0.3);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Button Loading States */
.btn-loading {
    position: relative;
    overflow: hidden;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: loading-shine 1.5s infinite;
}

@keyframes loading-shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

.btn-success-temp {
    background-color: var(--success-color) !important;
    border-color: var(--success-color) !important;
}

/* Search Suggestions */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
}

.search-suggestion-item {
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--light-color);
    transition: background-color 0.2s;
}

.search-suggestion-item:hover {
    background-color: var(--light-color);
}

.search-suggestion-item:last-child {
    border-bottom: none;
}

.search-loading {
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--light-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Interactive Elements */
.product-card {
    cursor: pointer;
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.btn-wishlist.active i {
    color: var(--danger-color);
}

.btn-wishlist:hover {
    transform: scale(1.1);
}

/* Flying Animation for Cart */
.flying-product {
    position: fixed;
    width: 50px;
    height: 50px;
    border-radius: 8px;
    z-index: 9999;
    pointer-events: none;
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Enhanced Dropdown Menus */
.dropdown-menu {
    border: none;
    box-shadow: var(--box-shadow-lg);
    border-radius: var(--border-radius);
}

.dropdown-item {
    padding: 8px 16px;
    transition: background-color 0.2s;
}

.dropdown-item:hover {
    background-color: var(--light-color);
}

/* Mega Menu Styles */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    box-shadow: var(--box-shadow-lg);
    border-radius: var(--border-radius);
    z-index: 1000;
    display: none;
    padding: 20px;
}

.mega-menu.show {
    display: block;
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    padding: 16px 20px;
    border-radius: var(--border-radius);
    color: white;
    font-weight: 500;
    box-shadow: var(--box-shadow-lg);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    max-width: 350px;
    word-wrap: break-word;
}

.notification.show {
    transform: translateX(0);
}

/* Form Validation States */
.form-control.is-invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.25);
}

.form-control.is-valid {
    border-color: var(--success-color);
    box-shadow: 0 0 0 0.2rem rgba(39, 174, 96, 0.25);
}

/* Interactive Cards */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

/* Enhanced Animations */
@keyframes slideInUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.animate-slide-up {
    animation: slideInUp 0.5s ease-out;
}

.animate-slide-down {
    animation: slideInDown 0.5s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.3s ease-out;
}

/* Enhanced Focus States */
.form-control:focus,
.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
}

/* Enhanced Active States */
.nav-link.active {
    background-color: var(--primary-light);
    color: var(--primary-dark) !important;
    border-radius: var(--border-radius);
}

/* Enhanced Hover States */
.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-lg);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

/* Enhanced Social Links */
.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px) scale(1.1);
}

/* Enhanced Loading States */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Enhanced Error States */
.error-message {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.error-input {
    border-color: var(--danger-color) !important;
    box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.25) !important;
}

/* Enhanced Success States */
.success-message {
    color: var(--success-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.success-input {
    border-color: var(--success-color) !important;
    box-shadow: 0 0 0 0.2rem rgba(39, 174, 96, 0.25) !important;
}