/* ================================
   Modern Wallpaper Site - Threads-Inspired
   Ultra-smooth animations & transitions
   ================================ */

/* Remove the @import line and add this instead */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/fonts/Inter-Variable.woff2') format('woff2-variations');
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Threads-inspired colors */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #1a1a1a;
    --bg-elevated: #101010;
    --text-primary: #ffffff;
    --text-secondary: #a8a8a8;
    --text-tertiary: #737373;
    --accent: #0095f6;
    --accent-hover: #1da1f2;
    --accent-glow: rgba(0, 149, 246, 0.3);
    --border: #2a2a2a;
    --border-light: rgba(255, 255, 255, 0.1);
    --success: #00d46a;
    --error: #ff3b30;
    --warning: #ff9500;
    
    /* Glassmorphism */
    --glass-bg: rgba(26, 26, 26, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
    
    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ================================
   Base Styles
   ================================ */

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ========================================
   HEADER WITH SEARCH - Add to style.css
   ======================================== */

.site-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo img {
    border-radius: 8px;
}

/* Search Form */
.search-form {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 12px 50px 12px 20px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 50px;
    color: var(--text);
    font-size: 0.9375rem;
    transition: all 0.2s;
    font-family: inherit;
}

.search-input:focus {
    outline: none;
    border-color: #667eea;
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: #667eea;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.2s;
}

.search-btn:hover {
    background: #5568d3;
    transform: translateY(-50%) scale(1.05);
}

.search-btn svg {
    flex-shrink: 0;
}

/* Header Link */
.header-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.2s;
    white-space: nowrap;
}

.header-link:hover {
    background: var(--bg-tertiary);
    border-color: #667eea;
    transform: translateY(-2px);
}

/* ========================================
   SUBTLE TAG STYLING (Not Obvious Links)
   ======================================== */

.wallpaper-tags {
    margin-top: 20px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.wallpaper-tags strong {
    display: block;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tag {
    display: inline-block;
    padding: 6px 14px;
    margin: 0 8px 8px 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.15s ease;
}

/* Subtle hover - not obvious it's a link */
.tag-clickable {
    cursor: pointer;
}

.tag-clickable:hover {
    background: var(--bg-elevated);
    border-color: rgba(102, 126, 234, 0.3);
    color: #667eea;
}

/* Active/clicked state */
.tag-clickable:active {
    transform: scale(0.97);
}

/* ========================================
   RESPONSIVE HEADER
   ======================================== */

@media (max-width: 992px) {
    .header-content {
        gap: 15px;
    }
    
    .search-form {
        order: 3;
        flex-basis: 100%;
        max-width: none;
    }
}

@media (max-width: 768px) {
    .site-header {
        padding: 15px 0;
    }
    
    .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .logo a {
        font-size: 1.25rem;
    }
    
    .header-link {
        width: 100%;
        justify-content: center;
    }
}

/* ========================================
   MATCH-BADGE (for related wallpapers)
   ======================================== */

.match-badge {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 700;
}

/* Header with Search */
.header-content {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.search-form {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 12px 50px 12px 20px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 50px;
    color: var(--text);
    font-size: 0.9375rem;
    transition: all 0.2s;
}

.search-input:focus {
    outline: none;
    border-color: #667eea;
    background: var(--bg-primary);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: #667eea;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.2s;
}

.search-btn:hover {
    background: #5568d3;
    transform: translateY(-50%) scale(1.05);
}

.header-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.2s;
}

.header-link:hover {
    background: var(--bg-tertiary);
    border-color: #667eea;
}

/* Search Results */
.search-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
    gap: 20px;
    flex-wrap: wrap;
}

.search-results-info h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.search-count {
    color: var(--text-secondary);
    font-size: 1rem;
}

.search-count strong {
    color: #667eea;
}

.search-actions {
    display: flex;
    gap: 10px;
}

.btn-secondary {
    padding: 10px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: #667eea;
}

/* Empty States */
.search-empty {
    text-align: center;
    padding: 80px 20px;
}

.search-empty-icon {
    margin-bottom: 30px;
    opacity: 0.3;
}

.search-empty h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.search-empty p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Popular Searches */
.popular-searches {
    margin-top: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.popular-searches h3 {
    font-size: 1.25rem;
    margin-bottom: 20px;
}

/* Categories */
.category-group {
    margin-bottom: 60px;
}

.category-group-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.category-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.category-card:hover {
    background: var(--bg-tertiary);
    border-color: #667eea;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
}

.category-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text);
}

.category-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Tag Cloud */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.tag-cloud-item {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text);
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
}

.tag-cloud-item:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
    transform: translateY(-2px);
}

.tag-count {
    color: var(--text-secondary);
    font-size: 0.875em;
}

.tag-large {
    padding: 12px 24px;
    font-size: 1.125rem;
    font-weight: 600;
}

/* Clickable Tags */
.tag-clickable {
    cursor: pointer;
    transition: all 0.2s;
}

.tag-clickable:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-form {
        max-width: none;
    }
    
    .search-header {
        flex-direction: column;
    }
    
    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Selection */
::selection {
    background: var(--accent);
    color: white;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

/* ================================
   Header - Glassmorphism Effect
   ================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    padding: 16px 0;
    animation: slideDown 0.4s var(--transition-base);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo a:hover {
    color: var(--accent);
    transform: scale(1.02);
}

.logo img {
    border-radius: 12px;
    transition: transform var(--transition-bounce);
}

.logo a:hover img {
    transform: rotate(5deg) scale(1.1);
}

/* ================================
   Main Content
   ================================ */

.main-content {
    min-height: calc(100vh - 200px);
    padding: 48px 0;
    animation: fadeIn 0.6s var(--transition-base);
}

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

.page-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 40px;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    animation: slideUp 0.5s var(--transition-base);
}

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

@media (max-width: 768px) {
    .page-title {
        font-size: 1.75rem;
    }
}

/* ================================
   Wallpaper Grid - Masonry Effect
   ================================ */

.wallpaper-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

@media (max-width: 768px) {
    .wallpaper-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 12px;
    }
}

/* Wallpaper Card - Threads-style */
.wallpaper-card {
    position: relative;
    background: var(--bg-secondary);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-base);
    border: 1px solid var(--border);
    cursor: pointer;
    animation: scaleIn 0.4s var(--transition-base) backwards;
}

/* Staggered animation */
.wallpaper-card:nth-child(1) { animation-delay: 0.05s; }
.wallpaper-card:nth-child(2) { animation-delay: 0.1s; }
.wallpaper-card:nth-child(3) { animation-delay: 0.15s; }
.wallpaper-card:nth-child(4) { animation-delay: 0.2s; }
.wallpaper-card:nth-child(5) { animation-delay: 0.25s; }
.wallpaper-card:nth-child(6) { animation-delay: 0.3s; }

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

/* Glow effect on hover */
.wallpaper-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, var(--accent-glow), transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
    z-index: 1;
}

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

.wallpaper-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 149, 246, 0.2),
                0 0 0 1px var(--accent);
    border-color: var(--accent);
}

.wallpaper-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.wallpaper-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

@media (max-width: 768px) {
    .wallpaper-card img {
        height: 140px;
    }
}

.wallpaper-card img.lazy {
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

.wallpaper-card img.loaded {
    animation: imageFadeIn 0.5s var(--transition-base);
}

@keyframes imageFadeIn {
    from {
        opacity: 0;
        filter: blur(10px);
    }
    to {
        opacity: 1;
        filter: blur(0);
    }
}

.wallpaper-card:hover img {
    transform: scale(1.1);
}

.wallpaper-info {
    padding: 16px;
    position: relative;
    z-index: 2;
    background: var(--bg-secondary);
}

.wallpaper-info h2,
.wallpaper-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: -0.01em;
    transition: color var(--transition-base);
}

.wallpaper-card:hover .wallpaper-info h2,
.wallpaper-card:hover .wallpaper-info h3 {
    color: var(--accent);
}

.view-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.view-count::before {
    content: '👁️';
    font-size: 1em;
}

.wallpaper-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.875rem;
}

.match-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: rgba(0, 212, 106, 0.1);
    border: 1px solid rgba(0, 212, 106, 0.3);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--success);
}

/* ================================
   Buttons - Modern & Smooth
   ================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-download {
    font-size: 1.125rem;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--accent), #00d4ff);
    box-shadow: 0 8px 32px var(--accent-glow);
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 8px 32px var(--accent-glow);
    }
    50% {
        box-shadow: 0 12px 48px rgba(0, 149, 246, 0.5);
    }
}

.btn-download:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 16px 48px rgba(0, 149, 246, 0.6);
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
    transform: translateY(-2px);
}

/* ================================
   Loading Indicators
   ================================ */

.loading-indicator {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.spinner {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.no-more {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
}

/* ================================
   Single Wallpaper Page
   ================================ */

.wallpaper-single {
    max-width: 1000px;
    margin: 0 auto;
    animation: fadeIn 0.6s var(--transition-base);
}

.wallpaper-single header {
    margin-bottom: 32px;
    text-align: center;
}

.wallpaper-single h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (max-width: 768px) {
    .wallpaper-single h1 {
        font-size: 1.75rem;
    }
}

.meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
}

.wallpaper-image {
    margin: 40px 0;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-base);
    animation: scaleIn 0.6s var(--transition-base);
}

.wallpaper-image:hover {
    transform: scale(1.01);
}

.wallpaper-image img {
    width: 100%;
    height: auto;
    display: block;
}

.image-note {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin-top: 16px;
    font-style: italic;
}

.wallpaper-actions {
    margin: 40px 0;
    text-align: center;
}

.wallpaper-description {
    margin: 48px 0;
    padding: 32px;
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all var(--transition-base);
}

.wallpaper-description:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.wallpaper-description h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.wallpaper-tags {
    margin: 32px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    display: inline-flex;
    align-items: center;
    background: var(--bg-elevated);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border);
    transition: all var(--transition-base);
    cursor: pointer;
}

.tag:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

/* ================================
   Social Sharing - Modern
   ================================ */

.social-share {
    background: var(--bg-secondary);
    padding: 32px;
    border-radius: 16px;
    margin: 40px 0;
    border: 1px solid var(--border);
    animation: slideUp 0.5s var(--transition-base);
}

.social-share h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 12px;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    color: white;
    position: relative;
    overflow: hidden;
}

.share-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.share-btn:hover::before {
    width: 300px;
    height: 300px;
}

.share-btn svg {
    flex-shrink: 0;
}

.share-btn.facebook { background: #1877f2; }
.share-btn.facebook:hover { background: #0d65d9; transform: translateY(-2px); }
.share-btn.twitter { background: #1da1f2; }
.share-btn.twitter:hover { background: #0d8bd9; transform: translateY(-2px); }
.share-btn.pinterest { background: #e60023; }
.share-btn.pinterest:hover { background: #c8001e; transform: translateY(-2px); }
.share-btn.reddit { background: #ff4500; }
.share-btn.reddit:hover { background: #e03d00; transform: translateY(-2px); }
.share-btn.whatsapp { background: #25d366; }
.share-btn.whatsapp:hover { background: #1fb855; transform: translateY(-2px); }
.share-btn.copy { background: #6b7280; }
.share-btn.copy:hover { background: #4b5563; transform: translateY(-2px); }

@media (max-width: 768px) {
    .share-buttons {
        flex-direction: column;
    }
    
    .share-btn {
        justify-content: center;
        width: 100%;
    }
}

/* ================================
   Related Wallpapers
   ================================ */

.related-wallpapers {
    margin: 80px 0;
    animation: fadeIn 0.8s var(--transition-base);
}

.related-wallpapers h2 {
    font-size: 1.875rem;
    font-weight: 800;
    margin-bottom: 32px;
    letter-spacing: -0.02em;
}

/* ================================
   Ad Containers - Subtle
   ================================ */

.ad-container {
    margin: 48px 0;
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border);
    text-align: center;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.ad-container:hover {
    border-color: var(--border-light);
}

/* ================================
   Footer - Clean & Modern
   ================================ */

.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 48px 0 24px;
    margin-top: 80px;
}

.site-footer .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-section {
    margin-bottom: 24px;
}

.footer-section h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.footer-copyright {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    font-weight: 500;
    padding-top: 32px;
    border-top: 1px solid var(--border);
    margin-top: 24px;
}

/* ================================
   ADMIN PANEL - Premium Design
   ================================ */

.admin-container {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 24px;
    animation: fadeIn 0.6s var(--transition-base);
}

/* Admin Navigation - Sleek */
.admin-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 40px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border);
    flex-wrap: wrap;
    box-shadow: var(--shadow-md);
}

.admin-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 10px 20px;
    border-radius: 10px;
    transition: all var(--transition-base);
    position: relative;
}

.admin-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    transform: translateX(-50%);
    transition: width var(--transition-base);
}

.admin-nav a:hover {
    color: var(--accent);
    background: var(--bg-elevated);
}

.admin-nav a:hover::after {
    width: 80%;
}

/* Form Groups - Modern */
.form-group {
    margin-bottom: 24px;
    animation: slideUp 0.4s var(--transition-base) backwards;
}

.form-group:nth-child(1) { animation-delay: 0.05s; }
.form-group:nth-child(2) { animation-delay: 0.1s; }
.form-group:nth-child(3) { animation-delay: 0.15s; }
.form-group:nth-child(4) { animation-delay: 0.2s; }
.form-group:nth-child(5) { animation-delay: 0.25s; }

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
    letter-spacing: -0.01em;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-base);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    transform: translateY(-2px);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group input[type="file"] {
    padding: 12px;
    cursor: pointer;
}

.form-group input[type="file"]::-webkit-file-upload-button {
    padding: 8px 16px;
    border-radius: 8px;
    border: none;
    background: var(--accent);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    margin-right: 12px;
}

.form-group input[type="file"]::-webkit-file-upload-button:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

/* Alerts - Eye-catching */
.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 24px;
    font-weight: 500;
    border: 1px solid;
    animation: slideDown 0.4s var(--transition-base);
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert::before {
    font-size: 1.25rem;
}

.alert-success {
    background: rgba(0, 212, 106, 0.1);
    border-color: rgba(0, 212, 106, 0.3);
    color: var(--success);
}

.alert-success::before {
    content: '✅';
}

.alert-error {
    background: rgba(255, 59, 48, 0.1);
    border-color: rgba(255, 59, 48, 0.3);
    color: var(--error);
}

.alert-error::before {
    content: '❌';
}

/* Tables - Data Grid Style */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 24px 0;
    background: var(--bg-secondary);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    animation: scaleIn 0.5s var(--transition-base);
}

.table th,
.table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-base);
}

.table th {
    font-weight: 700;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody tr {
    transition: all var(--transition-base);
}

.table tbody tr:hover {
    background: var(--bg-elevated);
    transform: scale(1.01);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table code {
    background: var(--bg-elevated);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--accent);
    font-family: 'Courier New', monospace;
}

/* Admin Card Actions */
.wallpaper-card-admin {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-base);
    animation: scaleIn 0.4s var(--transition-base) backwards;
}

.wallpaper-card-admin:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.wallpaper-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.wallpaper-actions a,
.wallpaper-actions button {
    flex: 1;
    min-width: 70px;
    padding: 8px 12px;
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
    border-radius: 8px;
    transition: all var(--transition-base);
}

.btn-delete {
    background: var(--error);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: 600;
}

.btn-delete:hover {
    background: #e0301e;
    transform: scale(1.05);
}

/* Checkbox Styling */
.checkbox-overlay input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--accent);
}

/* Bulk Actions Bar */
.bulk-actions {
    position: sticky;
    top: 80px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    padding: 16px;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    margin-bottom: 24px;
    display: none;
    align-items: center;
    gap: 16px;
    z-index: 100;
    box-shadow: var(--shadow-md);
    animation: slideDown 0.3s var(--transition-base);
}

.bulk-actions.active {
    display: flex;
}

/* Pagination - Modern */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 40px 0;
}

.pagination a,
.pagination span {
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    transition: all var(--transition-base);
}

.pagination a:hover {
    background: var(--bg-elevated);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.pagination .active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    box-shadow: 0 4px 16px var(--accent-glow);
}

/* Modal - Glassmorphism */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s var(--transition-base);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    padding: 32px;
    border-radius: 20px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xl);
    animation: scaleIn 0.4s var(--transition-bounce);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    transform: rotate(90deg);
}

/* ================================
   Responsive Design
   ================================ */

@media (max-width: 768px) {
    .wallpaper-single h1 {
        font-size: 1.75rem;
    }
    
    .page-title {
        font-size: 1.75rem;
    }
    
    .admin-nav {
        flex-direction: column;
        gap: 4px;
    }
    
    .site-footer .container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.875rem;
    }
    
    .meta {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .wallpaper-grid {
        gap: 12px;
    }
    
    .logo a {
        font-size: 1.25rem;
    }
    
    .site-header {
        padding: 12px 0;
    }
}

/* ================================
   Utility Classes
   ================================ */

.no-results {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
    font-size: 1.125rem;
    font-weight: 500;
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .ad-container,
    .wallpaper-actions,
    .related-wallpapers,
    .admin-nav {
        display: none;
    }
}

/* Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0ms !important;
        animation-iteration-count: 0 !important;
        transition-duration: 0ms !important;
    }
}