:root {
    --bg-color: #060913;
    --card-bg: #0f172a;
    --header-bg: #090d16;
    --border-color: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #64748b;
    
    --action-bg: #000000;
    --action-border: #ff3b5c;
    --action-text: #ffffff;
    --action-hover-bg: #e02d4c;
}

* { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; 
}

body { 
    background-color: var(--bg-color); 
    color: var(--text-main); 
    padding-bottom: 60px; 
    min-height: 100vh;
}

header { 
    background: var(--header-bg); 
    border-bottom: 1px solid var(--border-color); 
    padding: 16px 24px; 
    position: sticky; 
    top: 0; 
    z-index: 100; 
    backdrop-filter: blur(12px);
}

.nav-container { 
    max-width: 1400px; 
    margin: 0 auto; 
    display: flex; 
    flex-direction: column; 
    gap: 15px; 
}

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

.logo { 
    font-size: 26px; 
    font-weight: 900; 
    letter-spacing: -1.5px; 
    color: var(--text-main); 
    text-decoration: none; 
}

.logo span { 
    color: var(--action-border); 
    text-shadow: 0 0 15px rgba(255, 59, 92, 0.4);
}

.back-home-link:hover {
    color: var(--text-main) !important;
}

.search-box { 
    width: 400px; 
    position: relative; 
}

.search-box input { 
    width: 100%; 
    padding: 12px 18px; 
    background: #0f172a; 
    border: 1px solid var(--border-color); 
    border-radius: 10px; 
    color: #fff; 
    font-size: 14px; 
    transition: all 0.3s ease;
}

.search-box input:focus { 
    outline: none; 
    border-color: var(--action-border);
    box-shadow: 0 0 15px rgba(255, 59, 92, 0.15);
}

.categories-row { 
    display: flex; 
    gap: 10px; 
    overflow-x: auto; 
    padding-bottom: 8px; 
    white-space: nowrap; 
    scrollbar-width: none; 
}

.categories-row::-webkit-scrollbar { 
    display: none; 
}

.cat-tag { 
    background: #0f172a; 
    color: var(--text-muted); 
    padding: 7px 16px; 
    border-radius: 30px; 
    text-decoration: none; 
    font-size: 13px; 
    font-weight: 600; 
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); 
    border: 1px solid var(--border-color); 
}

.cat-tag:hover, .cat-tag.active { 
    background: var(--action-border); 
    color: #fff; 
    border-color: var(--action-border);
    box-shadow: 0 4px 12px rgba(255, 59, 92, 0.25);
}

main { 
    max-width: 1400px; 
    margin: 40px auto; 
    padding: 0 24px; 
}

.grid-header { 
    margin-bottom: 24px; 
    font-size: 22px; 
    font-weight: 800; 
    color: var(--text-main); 
    display: flex; 
    gap: 28px; 
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.grid-header span { 
    cursor: pointer; 
    color: var(--text-muted); 
    position: relative;
    transition: color 0.2s;
}

.grid-header span:hover {
    color: var(--text-main);
}

.grid-header span.active { 
    color: var(--text-main); 
    font-weight: 800;
}

.grid-header span.active::after {
    content: '';
    position: absolute;
    bottom: -13px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--action-border);
    box-shadow: 0 0 10px rgba(255, 59, 92, 0.6);
}

.wallpaper-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); 
    gap: 24px; 
}

.wallpaper-card { 
    background: var(--card-bg); 
    border-radius: 14px; 
    overflow: hidden; 
    position: relative; 
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); 
    border: 1px solid var(--border-color); 
}

.wallpaper-card:hover { 
    transform: translateY(-4px);
    border-color: var(--action-border);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.6);
}

.card-preview-wrapper {
    position: relative;
    overflow: hidden;
}

.wallpaper-card img { 
    width: 100%; 
    height: 210px; 
    object-fit: cover; 
    display: block; 
    transition: transform 0.5s ease;
}

.wallpaper-card:hover img {
    transform: scale(1.04);
}

.card-details-area {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: linear-gradient(to bottom, #0f172a, #0b0f19);
}

.card-meta-title {
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-main);
    letter-spacing: -0.2px;
}

.direct-download-btn {
    display: block;
    text-align: center;
    background-color: #ff3b5c;
    border: none;
    color: #ffffff;
    padding: 14px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: all 0.2s ease-in-out;
}

.direct-download-btn:hover {
    background-color: #e02d4c;
    box-shadow: 0 4px 12px rgba(255, 59, 92, 0.3);
}

.adsense-placement {
    background: #090d16;
    border: 1px dashed var(--border-color);
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 24px 0;
    color: #475569;
    font-size: 11px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.ad-leaderboard { width: 100%; height: 90px; }

.pagination-wrap {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}

.page-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 10px 18px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.page-btn.active {
    background: var(--action-border);
    border-color: var(--action-border);
    box-shadow: 0 4px 12px rgba(255, 59, 92, 0.3);
}

.page-btn:hover:not(.active) {
    border-color: #475569;
    background: #1e293b;
}

footer {
    max-width: 1400px;
    margin: 60px auto 0 auto;
    padding: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-muted);
}

footer a { color: var(--text-muted); text-decoration: none; margin-left: 16px; transition: color 0.2s; }
footer a:hover { color: var(--text-main); }