/* SVGL Theme CSS - Optimized Version */

/* CSS Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - SVGL Theme */
    --color-primary: #000000;
    --color-secondary: #6b7280;
    --color-accent: #3b82f6;
    --color-background: #ffffff;
    --color-surface: #ffffff;
    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;
    --color-text: #111827;
    --color-text-muted: #6b7280;
    --color-text-light: #9ca3af;
    --color-hover: #f9fafb;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    
    /* Dark mode colors */
    --color-dark-bg: #0f172a;
    --color-dark-surface: #1e293b;
    --color-dark-border: #334155;
    --color-dark-text: #f1f5f9;
    --color-dark-text-muted: #94a3b8;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.2s ease-in-out;
    --transition-slow: 0.3s ease-in-out;
}

/* Base styles */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
    height: 64px;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    text-decoration: none;
    color: var(--color-text);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.nav-logo svg {
    color: var(--color-primary);
}

.logo-text {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.version-badge {
    background-color: var(--color-surface);
    color: var(--color-text-muted);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border: 1px solid var(--color-border);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-8);
    margin: 0;
}

.nav-menu li {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
    position: relative;
    display: block;
    padding: var(--spacing-2) 0;
    cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 1px;
}

/* Dropdown menu styles */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
    padding: var(--spacing-2) 0;
    margin-top: var(--spacing-2);
}

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

.nav-dropdown-item {
    display: block;
    padding: var(--spacing-2) var(--spacing-4);
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
}

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

.nav-dropdown-item.active {
    background-color: var(--color-primary);
    color: var(--color-background);
}

/* Arrow indicator for dropdown */
.nav-link.has-dropdown::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: var(--spacing-1);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    vertical-align: middle;
    transition: transform var(--transition-fast);
}

.nav-menu li:hover .nav-link.has-dropdown::after {
    transform: rotate(180deg);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.nav-social {
    display: flex;
    gap: var(--spacing-2);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.social-link:hover {
    background-color: var(--color-hover);
    color: var(--color-text);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    gap: 3px;
}

.mobile-menu-btn span {
    width: 18px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 1px;
    transition: all var(--transition-fast);
}

/* Mobile menu */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: absolute;
    top: 64px;
    right: 0;
    width: 280px;
    height: calc(100vh - 64px);
    background-color: var(--color-background);
    padding: var(--spacing-6);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
}

.mobile-menu-overlay.active .mobile-menu {
    transform: translateX(0);
}

.mobile-nav-menu {
    list-style: none;
    margin-bottom: var(--spacing-8);
}

.mobile-nav-menu li {
    margin-bottom: var(--spacing-4);
    position: relative;
}

.mobile-nav-link {
    display: block;
    padding: var(--spacing-3) 0;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-lg);
    border-bottom: 1px solid var(--color-border-light);
    cursor: pointer;
}

.mobile-nav-dropdown {
    background-color: var(--color-surface);
    margin-top: var(--spacing-2);
    border-radius: var(--radius-md);
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: all var(--transition-normal);
}

.mobile-nav-menu li.active .mobile-nav-dropdown {
    max-height: 300px;
    opacity: 1;
}

.mobile-nav-dropdown-item {
    display: block;
    padding: var(--spacing-2) var(--spacing-4);
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--color-border-light);
    cursor: pointer;
}

.mobile-nav-dropdown-item:hover {
    background-color: var(--color-hover);
    color: var(--color-text);
}

.mobile-nav-dropdown-item.active {
    background-color: var(--color-primary);
    color: var(--color-background);
}

.mobile-social {
    display: flex;
    gap: var(--spacing-4);
}

.mobile-social-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
}

/* Main content */
.main-container {
    margin-top: 64px;
    min-height: calc(100vh - 64px);
}

/* Hero section */
.hero-section {
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-background) 100%);
    padding: var(--spacing-20) 0 var(--spacing-16);
    text-align: center;
}

.hero-content {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-12);
    line-height: 1.5;
}

.search-container {
    margin-bottom: var(--spacing-8);
}

.search-wrapper {
    position: relative;
    max-width: 480px;
    margin: 0 auto;
}

.search-icon {
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

.search-input {
    width: 100%;
    height: 52px;
    padding: 0 var(--spacing-4) 0 48px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-base);
    background-color: var(--color-background);
    transition: all var(--transition-fast);
    outline: none;
}

.search-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.search-input::placeholder {
    color: var(--color-text-light);
}

/* Categories section */
.categories-section {
    padding: var(--spacing-8) 0;
    border-bottom: 1px solid var(--color-border-light);
    background-color: var(--color-background);
}

.categories-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    justify-content: center;
}

.category-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-2) var(--spacing-4);
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.category-tab:hover {
    border-color: var(--color-text-muted);
    background-color: var(--color-hover);
}

.category-tab.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-background);
}

.category-tab .count {
    background-color: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* Category Dropdown Menu Styles */
.category-dropdown {
    position: relative;
    display: inline-block;
}

.category-tab.has-dropdown {
    position: relative;
}

.dropdown-arrow {
    margin-left: 4px;
    font-size: 0.7em;
    transition: transform var(--transition-fast);
}

.category-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.category-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    margin-top: var(--spacing-2);
}

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

.category-dropdown-item {
    display: block;
    width: 100%;
    padding: var(--spacing-2) var(--spacing-3);
    background: none;
    border: none;
    text-align: left;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: 0;
}

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

.category-dropdown-item:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.category-dropdown-item:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.category-dropdown-item.active {
    background-color: var(--color-primary);
    color: var(--color-background);
}

/* Mobile responsive for dropdowns */
@media (max-width: 768px) {
    .category-dropdown-menu {
        position: fixed;
        top: auto;
        left: 50%;
        transform: translateX(-50%) translateY(-10px);
        width: 200px;
    }
    
    .category-dropdown:hover .category-dropdown-menu {
        transform: translateX(-50%) translateY(0);
    }
}

/* Content section */
.content-section {
    padding: var(--spacing-12) 0;
    background-color: var(--color-background);
}

.content-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* Logo grid */
.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-5);
    margin-bottom: var(--spacing-12);
}

/* Logo Card - Single definition with all variants */
.logo-card {
    background: var(--color-background);
    border: 1px solid var(--color-border-light);
    border-radius: 0;
    padding: var(--spacing-4);
    text-align: center;
    transition: all var(--transition-fast);
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.logo-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

/* Logo Cover - Unified 48x48 SVG cover */
.logo-cover,
.logo-image-container {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-3);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: #fff;
    flex-shrink: 0;
}

.logo-svg,
.logo-image,
.logo-svg-cover svg,
.logo-image-cover {
    max-width: 48px;
    max-height: 48px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.logo-placeholder,
.logo-placeholder-cover {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    opacity: 0.5;
}

.logo-placeholder svg {
    width: 40px;
    height: 40px;
}

/* Logo Title */
.logo-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 var(--spacing-2);
    line-height: 1.3;
    text-align: center;
}

/* Logo Actions - Unified definition */
.logo-actions {
    display: flex;
    gap: var(--spacing-2);
    justify-content: center;
    margin-top: var(--spacing-3);
    opacity: 1;
    transition: all var(--transition-fast);
    flex-wrap: wrap;
    min-height: 32px;
}

.logo-actions.single-button,
.logo-actions.two-buttons,
.logo-actions.three-buttons {
    justify-content: center;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    flex-shrink: 0;
}

.action-btn:hover:not(.disabled) {
    background: #e5e7eb;
    color: var(--color-text);
    border-color: #d1d5db;
    transform: translateY(-1px);
}

.action-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.action-btn svg {
    width: 16px;
    height: 16px;
}

/* Category tags */
.logo-category-header {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-bottom: var(--spacing-3);
    min-height: 20px;
}

.category-tag {
    display: inline-block;
    width: fit-content;
    padding: 1px 3px;
    background-color: var(--color-surface);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    text-decoration: none;
    transition: all var(--transition-fast);
    margin: 0 auto var(--spacing-2);
    white-space: nowrap;
}

.category-tag:hover {
    background-color: var(--color-border);
    color: var(--color-text);
}

/* Load more */
.load-more-container {
    text-align: center;
}

.load-more-btn {
    padding: var(--spacing-3) var(--spacing-8);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

/* Footer */
.footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border-light);
    padding: var(--spacing-12) 0 var(--spacing-8);
    margin-top: var(--spacing-20);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-8);
}

.footer-text {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    max-width: 600px;
}

.footer-link {
    color: var(--color-accent);
    text-decoration: none;
}

.footer-link:hover {
    text-decoration: underline;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-muted);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-border-light);
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-6);
}

.footer-links .footer-link {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* Logo Detail Page Styles */
.logo-detail-section {
    padding: var(--spacing-16) 0 var(--spacing-12);
}

.logo-detail-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.logo-detail-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

.logo-detail-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-4);
}

.logo-detail-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.logo-category-tag {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    background-color: var(--color-surface);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border-light);
}

.logo-color-tag {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.logo-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* SVG Variants Grid */
.svg-variants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-16);
}

.svg-variant-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    transition: all var(--transition-fast);
}

.svg-variant-card:hover {
    border-color: var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.svg-variant-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
    margin-bottom: var(--spacing-4);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

.logo-svg-large {
    max-width: 80px;
    max-height: 80px;
}

.logo-svg-large svg {
    max-width: 80px;
    max-height: 80px;
}

.svg-variant-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.variant-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    width: 100%;
    height: 40px;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.variant-action-btn:hover {
    background-color: var(--color-hover);
    border-color: var(--color-text-muted);
    color: var(--color-text);
}

/* Logo Info Section */
.logo-info-section {
    margin-bottom: var(--spacing-16);
}

.logo-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
}

.logo-info-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
}

.logo-info-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-3);
}

.info-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.info-link:hover {
    color: var(--color-primary);
}

.logo-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.logo-tag {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    background-color: var(--color-background);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border-light);
}

/* Logo Content Section */
.logo-content-section {
    margin-bottom: var(--spacing-16);
}

.logo-content-section h2 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-6);
    text-align: center;
}

.logo-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text);
}

.logo-content p {
    margin-bottom: var(--spacing-4);
}

.logo-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    margin: var(--spacing-8) 0 var(--spacing-4);
}

/* Related Logos Section */
.related-logos-section {
    background-color: var(--color-surface);
    padding: var(--spacing-16) 0;
}

.related-logos-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.related-logos-section h2 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-8);
    text-align: center;
}

.related-logos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-6);
}

.related-logo-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    transition: all var(--transition-fast);
}

.related-logo-card:hover {
    border-color: var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.related-logo-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.related-logo-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    margin-bottom: var(--spacing-3);
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
}

.related-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    opacity: 0.5;
}

.related-logo-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    text-align: center;
    margin: 0;
}

.no-svg-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-12);
    color: var(--color-text-muted);
}

/* Toast Notifications - Unified */
.toast,
.toast-message {
    position: fixed;
    top: var(--spacing-6);
    right: var(--spacing-6);
    z-index: 10000;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    opacity: 0;
    transform: translateX(100%);
    transition: all var(--transition-normal);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.toast.show,
.toast-message.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-success {
    border-color: var(--color-success);
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.toast-error {
    border-color: var(--color-danger);
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

/* Logo Variants */
.logo-variants-container {
    position: relative;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-variant {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.logo-variant svg,
.logo-variant img {
    max-width: 200px;
    max-height: 200px;
    width: auto;
    height: auto;
}

/* Variant Switcher */
.logo-variant-switcher {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.variant-btn {
    width: 36px;
    height: 36px;
    border: 2px solid var(--color-border);
    background: var(--color-background);
    color: var(--color-text-muted);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.variant-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-1px);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-center,
    .nav-social {
        display: none;
    }
    
    .nav-dropdown {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .category-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-2);
    }
    
    .logo-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: var(--spacing-4);
    }
    
    .search-wrapper {
        max-width: 100%;
    }
    
    .search-input {
        padding: 0 var(--spacing-4) 0 40px;
        height: 48px;
        font-size: var(--font-size-sm);
    }
    
    .search-icon {
        left: var(--spacing-3);
        width: 18px;
        height: 18px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-6);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nav-container,
    .content-container,
    .categories-container,
    .footer-container {
        padding: 0 var(--spacing-4);
    }
    
    .hero-section {
        padding: var(--spacing-16) 0 var(--spacing-12);
    }
    
    .hero-content {
        padding: 0 var(--spacing-4);
    }
    
    .logo-grid {
        grid-template-columns: 1fr;
    }
    
    .search-input {
        padding: 0 var(--spacing-3) 0 36px;
        height: 44px;
    }
    
    .search-icon {
        left: var(--spacing-2);
        width: 16px;
        height: 16px;
    }
    
    .logo-card {
        padding: var(--spacing-4);
        min-height: 180px;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-background: var(--color-dark-bg);
        --color-surface: var(--color-dark-surface);
        --color-border: var(--color-dark-border);
        --color-text: var(--color-dark-text);
        --color-text-muted: var(--color-dark-text-muted);
        --color-primary: #ffffff;
    }
    
    .navbar {
        background-color: rgba(15, 23, 42, 0.8);
    }
    
    .search-input,
    .category-tab,
    .logo-card,
    .action-btn,
    .load-more-btn {
        background-color: var(--color-surface);
    }
    
    .category-tab.active {
        background-color: var(--color-primary);
        color: var(--color-dark-bg);
    }
    
    .variant-btn {
        border-color: var(--color-dark-border);
        background: var(--color-dark-surface);
        color: var(--color-dark-text-muted);
    }
    
    .variant-btn:hover {
        border-color: var(--color-primary);
        color: var(--color-primary);
    }
    
    .variant-btn.active {
        border-color: var(--color-primary);
        background: var(--color-primary);
        color: white;
    }
}

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

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

.scale-in {
    animation: scaleIn 0.2s ease-in-out;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.skeleton {
    background: linear-gradient(90deg, var(--color-border-light) 25%, var(--color-hover) 50%, var(--color-border-light) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

/* Utility classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none !important; }
.visible { display: block !important; }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }

.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.border { border: 1px solid var(--color-border); }

.bg-surface { background-color: var(--color-surface); }
.bg-primary { background-color: var(--color-primary); }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }

.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }