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

:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-glass: rgba(18, 18, 26, 0.7);
    --accent-primary: #8b5cf6;
    --accent-secondary: #06b6d4;
    --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --border-color: rgba(139, 92, 246, 0.2);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);
    
    /* Spacing */
    --container-width: 1400px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== CONTAINER ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== HEADER ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
}

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

.logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: 2px;
}

.logo-icon {
    font-size: 1.25rem;
    font-weight: 900;
    padding: 0.4rem 0.6rem;
    background: var(--accent-gradient);
    border-radius: 8px;
    color: var(--text-primary);
    line-height: 1;
}

.logo-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.favorites-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
}

.favorites-link:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.favorites-link.active {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(6, 182, 212, 0.2) 100%);
    border-color: var(--accent-primary);
}

.favorites-icon {
    font-size: 1.25rem;
}

.favorites-label {
    font-size: 0.95rem;
}

.favorites-count {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 0.4rem;
    background: var(--accent-gradient);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
}

.detail-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--spacing-md);
}

.detail-header .logo {
    justify-self: center;
}

.detail-header .back-btn {
    justify-self: start;
}

.detail-header .favorites-link {
    justify-self: end;
}

.detail-header-new {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.header-left-section {
    flex: 1;
}

.header-right-section {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-sm);
}

.back-btn-detail {
    padding: 0.75rem 1.5rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
}

.back-btn-detail:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    transform: translateX(-4px);
}

.favorites-link-small {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.favorites-link-small:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.favorites-link-small.active {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(6, 182, 212, 0.2) 100%);
    border-color: var(--accent-primary);
}

.header-stats {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.stat {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.back-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    transform: translateX(-4px);
}

/* ===== HERO ===== */
.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ===== SEARCH ===== */
.search-container {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 600px;
    margin: 0 auto;
}

.search-input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

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

.search-btn {
    padding: 1rem 2rem;
    background: var(--accent-gradient);
    border: none;
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(139, 92, 246, 0.6);
}

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

/* ===== FILTERS ===== */
.filters {
    padding: var(--spacing-lg) 0;
}

.filter-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.filter-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

/* ===== WALLPAPERS GRID ===== */
.wallpapers {
    padding: var(--spacing-lg) 0 var(--spacing-xl) 0;
}

.wallpapers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    animation: fadeIn 0.6s ease;
}

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

/* ===== WALLPAPER CARD ===== */
.wallpaper-card {
    position: relative;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.wallpaper-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.wallpaper-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.wallpaper-card:hover::before {
    opacity: 0.1;
}

.wallpaper-thumbnail {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.favorite-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 10;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
}

.wallpaper-card:hover .favorite-btn {
    opacity: 1;
}

.favorite-btn:hover {
    transform: scale(1.1);
    background: rgba(0, 0, 0, 0.9);
}

.favorite-btn.active {
    opacity: 1;
    animation: heartBeat 0.3s ease;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.wallpaper-image,
.wallpaper-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s ease;
}

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

.wallpaper-video {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

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

.wallpaper-info {
    padding: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.wallpaper-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.wallpaper-actions {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.action-btn {
    flex: 1;
    padding: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

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

.download-quick {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-color: rgba(6, 182, 212, 0.3);
}

.download-quick:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
}

/* ===== LOAD MORE ===== */
.load-more-container {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.load-more-btn {
    padding: 1rem 3rem;
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.load-more-btn:hover {
    background: var(--accent-gradient);
    border-color: transparent;
    box-shadow: 0 6px 30px rgba(139, 92, 246, 0.6);
    transform: translateY(-2px);
}

.load-more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== DETAIL PAGE ===== */
.detail-content {
    padding: var(--spacing-xl) 0;
}

.detail-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.detail-preview {
    position: sticky;
    top: 100px;
}

.video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-glow);
}

.detail-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.detail-info {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: var(--spacing-lg);
    backdrop-filter: blur(20px);
}

.detail-title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.detail-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex: 1;
    line-height: 1.2;
}

.detail-favorite-btn {
    width: 60px;
    height: 60px;
    border: none;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.detail-favorite-btn:hover {
    transform: scale(1.1);
    background: rgba(0, 0, 0, 0.9);
    border-color: var(--accent-primary);
}

.detail-favorite-btn.active {
    animation: heartBeat 0.3s ease;
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.detail-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.download-btn:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
    transform: translateX(4px);
}

.download-btn-4k:hover {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.download-btn-hd:hover {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(6, 182, 212, 0.1) 100%);
}

.download-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: 10px;
}

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

.download-label {
    font-weight: 600;
    font-size: 1.1rem;
}

.download-quality {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.detail-meta {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-md);
}

.detail-navigation {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.nav-btn {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    text-decoration: none;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.prev-btn:hover {
    transform: translateX(-4px) translateY(-2px);
}

.next-btn:hover {
    transform: translateX(4px) translateY(-2px);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.meta-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.meta-value {
    color: var(--text-primary);
}

.source-link {
    color: var(--accent-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* ===== RECOMMENDED SECTION ===== */
.recommended {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

/* ===== FOOTER ===== */
.footer {
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    margin-top: var(--spacing-xl);
}

/* ===== FAVORITES PAGE ===== */
.favorites-section {
    padding: var(--spacing-xl) 0;
    min-height: 60vh;
}

.favorites-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.favorites-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.clear-favorites-btn {
    padding: 0.75rem 1.5rem;
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid rgba(239, 68, 68, 0.3);
    border-radius: 12px;
    color: #ef4444;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.clear-favorites-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.3);
}

.favorites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    animation: fadeIn 0.6s ease;
}

.empty-favorites {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.empty-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-favorites h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.empty-favorites p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent-gradient);
    border: none;
    border-radius: 12px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(139, 92, 246, 0.6);
}

/* ===== SCROLL TO TOP ===== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.5);
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.7);
}

.scroll-to-top:active {
    transform: translateY(-2px);
}

/* ===== LOADING ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .detail-wrapper {
        grid-template-columns: 1fr;
    }
    
    .detail-preview {
        position: relative;
        top: 0;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .search-container {
        flex-direction: column;
    }
    
    .wallpapers-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: var(--spacing-md);
    }
    
    .header-stats {
        display: none;
    }
    
    .favorites-label {
        display: none;
    }
    
    .favorites-link {
        padding: 0.75rem;
    }
    
    .favorites-title {
        font-size: 2rem;
    }
    
    .favorites-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }
    
    .detail-header-new {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .header-right-section {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .detail-title-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .detail-favorite-btn {
        width: 100%;
        height: 50px;
        border-radius: 12px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .wallpapers-grid {
        grid-template-columns: 1fr;
    }
    
    .favorites-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .favorites-title {
        font-size: 1.75rem;
    }
}