/* ============================================
   PetPedia - Premium Design System
   ============================================ */

/* CSS Variables (overridden by config in header.php) */
:root {
    --primary: #6366F1;
    --secondary: #8B5CF6;
    --accent: #EC4899;
    --bg-dark: #0F172A;
    --bg-light: #F8FAFC;
    --card-dark: #1E293B;
    --card-light: #FFFFFF;
    --text-light: #F1F5F9;
    --text-dark: #1E293B;
    --text-muted: #94A3B8;
    --border-dark: #334155;
    --border-light: #E2E8F0;
    --radius: 16px;
    --radius-sm: 8px;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Base */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.dark {
    background: var(--bg-dark);
    color: var(--text-light);
}

body.light {
    background: var(--bg-light);
    color: var(--text-dark);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Main content wrapper for sticky footer */
.main-content {
    flex: 1;
}

/* ============================================
   Header
   ============================================ */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-dark);
}

.dark .main-header {
    background: rgba(15, 23, 42, 0.85);
}

.light .main-header {
    background: rgba(255, 255, 255, 0.9);
    border-bottom-color: var(--border-light);
}

.main-header .container {
    display: flex;
    align-items: center;
    gap: 32px;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.5rem;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.nav-link {
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    padding: 8px;
    border-radius: var(--radius);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.dark .dropdown-menu {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    box-shadow: var(--shadow);
}

.light .dropdown-menu {
    background: var(--card-light);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow);
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.dropdown-item:hover {
    background: rgba(99, 102, 241, 0.1);
}

.cat-icon {
    font-size: 1.2rem;
}

/* Search */
.header-search {
    display: flex;
    align-items: center;
}

.header-search form {
    display: flex;
    align-items: center;
    gap: 0;
}

.search-input {
    padding: 10px 16px;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    border: none;
    font-size: 0.9rem;
    width: 200px;
    transition: var(--transition);
}

.dark .search-input {
    background: var(--card-dark);
    color: var(--text-light);
}

.light .search-input {
    background: var(--card-light);
    color: var(--text-dark);
    border: 1px solid var(--border-light);
}

.search-input:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--primary);
}

.search-btn {
    padding: 10px 14px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    border: none;
    background: var(--primary);
    color: white;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--secondary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: inherit;
    cursor: pointer;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-search {
    max-width: 500px;
    margin: 0 auto;
}

.hero-search form {
    display: flex;
    gap: 0;
}

.hero-search .search-input {
    flex: 1;
    padding: 16px 24px;
    font-size: 1rem;
    border-radius: var(--radius) 0 0 var(--radius);
}

.hero-search .search-btn {
    padding: 16px 24px;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 1rem;
}

/* ============================================
   Category Grid
   ============================================ */
.section {
    padding: 60px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
}

.section-link {
    color: var(--primary);
    font-weight: 500;
    transition: var(--transition);
}

.section-link:hover {
    color: var(--accent);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
}

.category-card {
    padding: 32px 20px;
    text-align: center;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.dark .category-card {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
}

.light .category-card {
    background: var(--card-light);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

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

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--cat-color, var(--primary));
    opacity: 0;
    transition: var(--transition);
}

.category-card:hover::before {
    opacity: 1;
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
}

.category-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.category-count {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================
   Breed Cards
   ============================================ */
.breed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.breed-card {
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.dark .breed-card {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
}

.light .breed-card {
    background: var(--card-light);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

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

.breed-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.breed-image.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.breed-content {
    padding: 20px;
}

.breed-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.breed-traits {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.trait-tag {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.dark .trait-tag {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary);
}

.light .trait-tag {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

.breed-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.breed-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 500;
    transition: var(--transition);
}

.breed-link:hover {
    color: var(--accent);
    gap: 10px;
}

/* ============================================
   Collection Cards
   ============================================ */
.collection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.collection-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.dark .collection-card {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
}

.light .collection-card {
    background: var(--card-light);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.collection-card:hover {
    transform: translateX(5px);
    border-color: var(--primary);
}

.collection-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.collection-info h3 {
    font-weight: 600;
    margin-bottom: 4px;
}

.collection-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ============================================
   Single Breed Page
   ============================================ */
.breed-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 40px 0;
    align-items: start;
}

.breed-hero-image {
    width: 100%;
    border-radius: var(--radius);
    aspect-ratio: 4/3;
    object-fit: cover;
}

.breed-hero-image.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.breed-hero-content h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.breed-hero-content .desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.7;
}

.breed-quick-facts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.quick-fact {
    padding: 16px;
    border-radius: var(--radius-sm);
}

.dark .quick-fact {
    background: var(--card-dark);
}

.light .quick-fact {
    background: rgba(99, 102, 241, 0.05);
}

.quick-fact-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.quick-fact-value {
    font-weight: 600;
}

/* Ratings */
.ratings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.rating-item {
    padding: 16px;
    border-radius: var(--radius-sm);
}

.dark .rating-item {
    background: var(--card-dark);
}

.light .rating-item {
    background: rgba(99, 102, 241, 0.05);
}

.rating-label {
    font-size: 0.85rem;
    margin-bottom: 8px;
    text-transform: capitalize;
}

.star-rating {
    color: #FBBF24;
    font-size: 1.1rem;
    letter-spacing: 2px;
}

/* ============================================
   Comparison Page
   ============================================ */
.compare-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}

.compare-table th,
.compare-table td {
    padding: 16px;
    text-align: left;
}

.dark .compare-table th {
    background: var(--card-dark);
}

.dark .compare-table td {
    border-bottom: 1px solid var(--border-dark);
}

.light .compare-table th {
    background: rgba(99, 102, 241, 0.1);
}

.light .compare-table td {
    border-bottom: 1px solid var(--border-light);
}

.compare-table th:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.compare-table th:last-child {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ============================================
   Breadcrumbs
   ============================================ */
.breadcrumbs {
    padding: 16px 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.breadcrumbs a {
    transition: var(--transition);
}

.breadcrumbs a:hover {
    color: var(--primary);
}

.breadcrumbs .sep {
    margin: 0 8px;
    opacity: 0.5;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

/* ============================================
   Footer
   ============================================ */
.main-footer {
    margin-top: auto;
    padding: 60px 0 24px;
}

.dark .main-footer {
    background: var(--card-dark);
    border-top: 1px solid var(--border-dark);
}

.light .main-footer {
    background: var(--card-light);
    border-top: 1px solid var(--border-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.footer-desc.small {
    font-size: 0.85rem;
}

.footer-heading {
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-muted);
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-dark);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.light .footer-bottom {
    border-top-color: var(--border-light);
}

.footer-credits {
    margin-top: 8px;
    opacity: 0.7;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .breed-hero {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .main-header .container {
        flex-wrap: wrap;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        padding: 20px;
    }

    .dark .main-nav {
        background: var(--bg-dark);
    }

    .light .main-nav {
        background: var(--bg-light);
    }

    .main-nav.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .header-search {
        display: none;
    }

    .hero {
        padding: 40px 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .breed-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .breed-quick-facts {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Staggered animation for grids */
.category-card,
.breed-card,
.collection-card {
    animation: fadeIn 0.5s ease-out forwards;
}

.category-card:nth-child(1),
.breed-card:nth-child(1),
.collection-card:nth-child(1) {
    animation-delay: 0.05s;
}

.category-card:nth-child(2),
.breed-card:nth-child(2),
.collection-card:nth-child(2) {
    animation-delay: 0.1s;
}

.category-card:nth-child(3),
.breed-card:nth-child(3),
.collection-card:nth-child(3) {
    animation-delay: 0.15s;
}

.category-card:nth-child(4),
.breed-card:nth-child(4),
.collection-card:nth-child(4) {
    animation-delay: 0.2s;
}

.category-card:nth-child(5),
.breed-card:nth-child(5),
.collection-card:nth-child(5) {
    animation-delay: 0.25s;
}

.category-card:nth-child(6),
.breed-card:nth-child(6),
.collection-card:nth-child(6) {
    animation-delay: 0.3s;
}

/* Loading state */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    color: var(--text-muted);
}

.loading::after {
    content: '';
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-dark);
    border-top-color: var(--primary);
    border-radius: 50%;
    margin-left: 12px;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   Utilities
   ============================================ */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-muted);
}

.mt-4 {
    margin-top: 1rem;
}

.mt-8 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

.gap-4 {
    gap: 1rem;
}

.flex {
    display: flex;
}

.flex-wrap {
    flex-wrap: wrap;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

/* Wikipedia Section */
.wiki-section {
    animation: fadeIn 0.6s ease;
}

.wiki-content {
    font-size: 1.05rem;
}

.wiki-content p {
    text-align: justify;
}

.wiki-section a:hover {
    text-decoration: underline;
}

.wiki-section svg {
    opacity: 0.8;
    transition: opacity 0.3s;
}

.wiki-section a:hover svg {
    opacity: 1;
    transform: translateX(2px);
    transition: all 0.3s;
}

/* Spin animation for loading */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Fade in animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Additional CSS variables */
:root {
    --card-bg: var(--card-dark);
    --text-primary: var(--text-light);
    --text-secondary: var(--text-muted);
    --border: var(--border-dark);
}

.light {
    --card-bg: var(--card-light);
    --text-primary: var(--text-dark);
    --text-secondary: var(--text-muted);
    --border: var(--border-light);
}