/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    /* Color Palette - Dark Mode Defaults */
    --bg-primary: #09090E;
    --bg-secondary: rgba(18, 18, 29, 0.6);
    --bg-glass: rgba(18, 18, 29, 0.4);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --text-main: #F1F1F6;
    --text-muted: #8E92B2;
    --text-inverse: #09090E;
    
    --primary: #A855F7;
    --primary-glow: rgba(168, 85, 247, 0.4);
    --primary-hover: #C084FC;
    
    --accent: #E0E7FF;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout & Effects */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px var(--primary-glow);
}

/* Light Theme Variables Override */
.light-theme {
    --bg-primary: #F8F9FC;
    --bg-secondary: rgba(255, 255, 255, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.5);
    --border-color: rgba(9, 9, 14, 0.08);
    
    --text-main: #1E1B4B;
    --text-muted: #64748B;
    --text-inverse: #FFFFFF;
    
    --primary: #8B5CF6;
    --primary-glow: rgba(139, 92, 246, 0.2);
    --primary-hover: #7C3AED;
    
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.15);
}

/* ==========================================================================
   RESET & GLOBAL BASE STYLES
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

button, input {
    font-family: inherit;
    border: none;
    outline: none;
    background: none;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Glowing background animations */
.glow-bg-1, .glow-bg-2 {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(130px);
    z-index: -1;
    opacity: 0.15;
    pointer-events: none;
    transition: var(--transition);
}

.glow-bg-1 {
    top: 5%;
    right: 5%;
    background: var(--primary);
}

.glow-bg-2 {
    top: 50%;
    left: -5%;
    background: #3B82F6;
}

/* ==========================================================================
   HEADER NAVIGATION (Glassmorphism)
   ========================================================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    transition: var(--transition);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-icon {
    background: linear-gradient(135deg, var(--primary), #3B82F6);
    color: white;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.4);
}

.logo-text span {
    color: var(--primary);
}

/* Nav Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
    background-color: rgba(168, 85, 247, 0.08);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Theme Toggle Button */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    background-color: var(--bg-glass);
    transition: var(--transition);
}

.theme-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: scale(1.05);
}

/* ==========================================================================
   BUTTONS SYSTEM
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-sm {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

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

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

.btn-secondary:hover {
    border-color: var(--primary);
    background-color: rgba(168, 85, 247, 0.05);
    transform: translateY(-2px);
}

.btn-glow {
    background: linear-gradient(135deg, var(--primary), #3B82F6);
    color: white;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #3B82F6, var(--primary));
    opacity: 0;
    z-index: -1;
    transition: opacity 0.5s ease;
}

.btn-glow:hover::before {
    opacity: 1;
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(168, 85, 247, 0.6);
}

.btn-block {
    display: flex;
    width: 100%;
}

.flex-1 {
    flex: 1;
}

/* ==========================================================================
   GOOGLE ADSENSE PLACEHOLDERS (Beautiful Aesthetic Integration)
   ========================================================================== */
.adsense-wrapper {
    margin: 24px auto;
    width: 100%;
    display: block;
}

.adsense-placeholder {
    width: 100%;
    max-width: 970px;
    background-color: var(--bg-secondary);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    display: block;
    margin: 0 auto;
    text-align: center;
    transition: var(--transition);
}

.adsense-placeholder:hover {
    border-color: var(--primary);
}

.ads-label {
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 2px;
    font-weight: 800;
    display: block;
    margin-bottom: 12px;
}

.ads-mockup {
    width: 100%;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.05), rgba(59, 130, 246, 0.05));
    border-radius: var(--radius-sm);
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.grid-adsense {
    grid-column: 1 / -1;
    margin: 16px 0;
}

.grid-adsense .adsense-placeholder {
    max-width: 100%;
}

.detail-adsense .adsense-placeholder {
    max-width: 100%;
    margin: 16px 0;
}

.detail-adsense .ads-mockup {
    min-height: 180px;
}

/* ==========================================================================
   HERO SEARCH SECTION
   ========================================================================== */
.hero {
    padding: 80px 0 60px 0;
    text-align: center;
}

.hero-container {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 54px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary), #3B82F6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 40px;
}

/* Search bar glassmorphism */
.search-container {
    width: 100%;
    max-width: 640px;
}

.search-form {
    display: flex;
    align-items: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 8px 8px 8px 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.search-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 25px rgba(168, 85, 247, 0.15);
}

.search-icon {
    font-size: 18px;
    color: var(--text-muted);
    margin-right: 16px;
}

.search-form input {
    flex: 1;
    color: var(--text-main);
    font-size: 15px;
    background: none;
}

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

/* ==========================================================================
   CATEGORIES SECTION (Horizontally Scrollable Chips)
   ========================================================================== */
.categories-section {
    margin-bottom: 48px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.5px;
}

.section-title i {
    color: var(--primary);
}

.categories-container {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow-x: auto;
    padding: 8px 4px 16px 4px;
    scrollbar-width: none; /* Hide scrollbar for Firefox */
}

.categories-container::-webkit-scrollbar {
    display: none; /* Hide scrollbar for Chrome/Safari */
}

.category-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    transition: var(--transition);
}

.category-chip:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.category-chip.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

/* ==========================================================================
   WALLPAPERS GRID SYSTEM
   ========================================================================== */
.wallpapers-section {
    margin-bottom: 80px;
}

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

.section-header .section-title {
    margin-bottom: 0;
}

.grid-layout-options {
    display: flex;
    align-items: center;
    gap: 8px;
}

.layout-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.layout-btn.active, .layout-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
}

/* Grid layout default */
.wallpapers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    transition: var(--transition);
}

/* Wallpaper Card Design */
.wallpaper-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transition);
}

.wallpaper-card:hover {
    border-color: var(--primary);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(168, 85, 247, 0.15);
}

.card-image-wrapper {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.02);
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.wallpaper-card:hover .card-image {
    transform: scale(1.05);
}

.card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: rgba(9, 9, 14, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--primary-hover);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-badge.featured {
    background: linear-gradient(135deg, var(--primary), #3B82F6);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
}

/* Card Actions Overlay on Image */
.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(9, 9, 14, 0.7) 0%, rgba(9, 9, 14, 0) 50%);
    opacity: 0;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: 16px;
    transition: opacity 0.3s ease;
}

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

.overlay-action-btn {
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--text-inverse);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.overlay-action-btn:hover {
    background-color: var(--primary);
    color: white;
    transform: scale(1.1);
}

.card-details {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-category {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-stats {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

.card-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

.card-stat.likes-stat.liked i {
    color: var(--danger);
}

/* ==========================================================================
   LOADER & EMPTY STATE
   ========================================================================== */
.loader-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    width: 100%;
}

.spinner {
    width: 45px;
    height: 45px;
    border: 3px solid rgba(168, 85, 247, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
}

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

.empty-state {
    text-align: center;
    padding: 60px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    width: 100%;
}

.empty-icon {
    font-size: 48px;
    color: var(--text-muted);
}

.empty-state h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
}

.empty-state p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 12px;
}

.hidden {
    display: none !important;
}

.pagination-container {
    display: flex;
    justify-content: center;
    margin-top: 48px;
    width: 100%;
}

/* ==========================================================================
   MODAL DIALOG (Wallpaper Details & Devices Preview)
   ========================================================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal.open {
    opacity: 1;
    pointer-events: all;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(9, 9, 14, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.modal-content {
    position: relative;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 1100px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 2;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal.open .modal-content {
    transform: scale(1);
}

.modal-close-btn {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    z-index: 10;
    transition: var(--transition);
}

.modal-close-btn:hover {
    background-color: var(--primary);
    color: white;
    transform: rotate(90deg);
}

.modal-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    min-height: 600px;
}

/* Modal Left: Preview section */
.modal-preview-section {
    padding: 32px;
    background-color: rgba(0, 0, 0, 0.15);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
}

.modal-image-wrapper {
    position: relative;
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow);
    background-color: rgba(255, 255, 255, 0.01);
    transition: aspect-ratio 0.4s ease, max-width 0.4s ease;
}

/* Desktop aspect preview default */
.modal-image-wrapper.desktop-preview {
    aspect-ratio: 16 / 10;
    max-width: 100%;
}

/* Smartphone aspect preview */
.modal-image-wrapper.mobile-preview {
    aspect-ratio: 9 / 16;
    max-width: 320px;
}

.modal-main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.device-selector {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.device-label {
    font-size: 13px;
    color: var(--text-muted);
}

.device-buttons {
    display: flex;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 4px;
    gap: 4px;
}

.device-btn {
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.device-btn.active, .device-btn:hover {
    background-color: var(--primary);
    color: white;
}

/* Modal Right: Details section */
.modal-details-section {
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 32px;
}

.detail-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.detail-category {
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--primary);
}

.detail-title {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

/* Stats grid */
.statistics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
}

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

.stat-item i {
    font-size: 20px;
    opacity: 0.8;
}

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-val {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
}

.stat-label {
    font-size: 11px;
    color: var(--text-muted);
}

/* Tags in modal */
.meta-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 700;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-badge {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
}

.tag-badge:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.action-row {
    display: flex;
    gap: 12px;
}

/* Animate like interaction */
.animate-like:active {
    animation: heartBeat 0.3s ease;
}

@keyframes heartBeat {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

/* ==========================================================================
   TOAST NOTIFICATION ALERT
   ========================================================================== */
.toast-alert {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: rgba(9, 9, 14, 0.9);
    border: 1px solid var(--primary);
    box-shadow: var(--shadow-glow);
    backdrop-filter: blur(10px);
    color: white;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
}

.toast-alert.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.footer {
    background-color: var(--bg-glass);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 24px 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 14px;
    max-width: 320px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links h4, .footer-newsletter h4 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 14px;
}

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

.footer-newsletter {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-newsletter p {
    color: var(--text-muted);
    font-size: 14px;
}

.newsletter-form {
    display: flex;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 4px;
}

.newsletter-form input {
    flex: 1;
    color: var(--text-main);
    padding: 8px 16px;
    font-size: 14px;
}

.newsletter-form input::placeholder {
    color: var(--text-muted);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-muted);
}

.social-icons {
    display: flex;
    align-items: center;
    gap: 16px;
}

.social-icons a {
    font-size: 18px;
    color: var(--text-muted);
}

.social-icons a:hover {
    color: var(--primary);
    transform: scale(1.1);
}

/* ==========================================================================
   RESPONSIVE DESIGN BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
    .modal-grid {
        grid-template-columns: 1fr;
    }
    .modal-preview-section {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 24px;
    }
    .modal-details-section {
        padding: 32px;
    }
    .modal-content {
        max-width: 600px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 38px;
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    .header-container {
        padding: 0 16px;
    }
    .nav-menu {
        display: none; /* Hide nav items on mobile header to save space */
    }
    .wallpapers-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 16px;
    }
    .modal-content {
        max-height: 95vh;
    }
}