:root {
    --bg-black: #0D0D0D;
    --purple: #7A35FF;
    --gold: #D4AF37;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-main: #FFFFFF;
    --text-muted: #A0A0A0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-black);
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100/vh;
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
    text-decoration: none;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(13, 13, 13, 0.75);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    cursor: pointer;
    font-size: 22px;
    line-height: 1;
    transition: 0.3s;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
    border-color: var(--gold);
    color: var(--gold);
    outline: none;
}

.nav-controls {
    display: none;
    align-items: center;
    gap: 10px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #FFF;
}

.logo span {
    color: var(--purple);
    text-shadow: 0 0 10px var(--purple);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a:hover {
    color: var(--gold);
    transition: 0.3s;
}

.nav-category {
    position: relative;
}

.nav-category-toggle {
    align-items: center;
    background: transparent;
    border: 0;
    color: var(--text-main);
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    min-height: 38px;
    padding: 0;
}

.nav-category-toggle:hover,
.nav-category-toggle:focus-visible {
    color: var(--gold);
    outline: none;
}

.nav-category-menu {
    background: rgba(13, 13, 13, 0.98);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
    display: none;
    min-width: 180px;
    padding: 8px;
    position: absolute;
    right: 0;
    top: calc(100% + 12px);
    z-index: 1001;
}

.nav-category.is-open .nav-category-menu,
.nav-category:hover .nav-category-menu,
.nav-category:focus-within .nav-category-menu {
    display: grid;
    gap: 2px;
}

.nav-category-menu a {
    border-radius: 8px;
    color: var(--text-main);
    display: block;
    padding: 10px 12px;
    white-space: nowrap;
}

.nav-category-menu a:hover,
.nav-category-menu a:focus-visible {
    background: rgba(255, 255, 255, 0.06);
    color: var(--gold);
    outline: none;
}

.nav-links .nav-profile {
    font-weight: 800;
}

.nav-links .nav-profile.is-premium {
    color: var(--gold);
}

.nav-links .nav-profile.is-free {
    color: var(--purple);
}

.nav-links .nav-profile:hover,
.nav-links .nav-profile:focus-visible {
    filter: brightness(1.25);
}

.nav-links .nav-logout {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 8px 16px;
    border: 1px solid rgba(255, 107, 107, 0.45);
    border-radius: 8px;
    color: #ff8f8f;
    background: rgba(255, 107, 107, 0.08);
}

.nav-links .nav-logout:hover,
.nav-links .nav-logout:focus-visible {
    color: #ffffff;
    background: rgba(255, 107, 107, 0.2);
    border-color: #ff8f8f;
}

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
}

.hero {
    text-align: center;
    padding: 100px 20px;
    background: radial-gradient(circle at center, rgba(122,53,255,0.15) 0%, transparent 60%);
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero h1 span {
    color: var(--gold);
}

.hero p {
    color: var(--text-muted);
    font-size: 18px;
    margin-bottom: 40px;
}

.search-form {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    gap: 10px;
}

.search-input, .form-input, select {
    flex: 1;
    padding: 15px 20px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    color: white;
    font-size: 16px;
    outline: none;
}

.form-input, select {
    border-radius: 8px;
    width: 100%;
    margin-bottom: 20px;
}

select.form-input,
select {
    appearance: none;
    background-image:
        linear-gradient(45deg, transparent 50%, #ffffff 50%),
        linear-gradient(135deg, #ffffff 50%, transparent 50%);
    background-position:
        calc(100% - 18px) 50%,
        calc(100% - 12px) 50%;
    background-repeat: no-repeat;
    background-size: 6px 6px, 6px 6px;
    color-scheme: dark;
    cursor: pointer;
    padding-right: 44px;
}

.form-input option,
select option {
    background: #121212;
    color: #ffffff;
}

.form-input option:checked,
select option:checked {
    background: var(--purple);
    color: #ffffff;
}

.search-input:focus, .form-input:focus, select:focus {
    border-color: var(--purple);
    box-shadow: 0 0 10px rgba(122,53,255,0.5);
}

.btn {
    padding: 12px 30px;
    border-radius: 30px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    transition: 0.3s ease;
}

.btn-primary {
    background: var(--purple);
    color: white;
}

.btn-primary:hover {
    box-shadow: 0 0 15px var(--purple);
    transform: translateY(-2px);
}

.btn-gold {
    background: var(--gold);
    color: #000;
}

.btn-gold:hover {
    box-shadow: 0 0 15px var(--gold);
    transform: translateY(-2px);
}

.btn-danger {
    background: #cf3f4f;
    color: #ffffff;
}

.btn-danger:hover {
    box-shadow: 0 0 15px rgba(207, 63, 79, 0.65);
    transform: translateY(-2px);
}

.btn-disabled {
    align-items: center;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    cursor: not-allowed;
    display: inline-flex;
    justify-content: center;
}

.profile-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 10px;
}

.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    flex: 1;
}

.section-title {
    font-size: 28px;
    margin-bottom: 30px;
    border-left: 4px solid var(--purple);
    padding-left: 15px;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
    margin-bottom: 48px;
}

.category-card {
    height: 112px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 1px;
    border: 1px solid var(--glass-border);
    background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
    border-radius: 16px;
    transition: 0.4s;
}

.category-card:hover {
    border-color: var(--gold);
    transform: scale(1.03);
    background: rgba(212, 175, 55, 0.05);
}

.category-card.is-active {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(212, 175, 55, 0.08);
}

.wallpaper-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.latest-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.latest-grid .wallpaper-card {
    height: 300px;
}

.featured-grid {
    grid-template-columns: minmax(280px, 900px);
    justify-content: center;
    margin-bottom: 48px;
}

.featured-grid .wallpaper-card {
    aspect-ratio: 16 / 9;
    height: auto;
}

.wallpaper-card {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--glass-border);
    transition: 0.3s;
    height: 400px;
}

.wallpaper-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}

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

.wallpaper-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(13,13,13,0.95), transparent);
    transform: translateY(100%);
    transition: 0.3s ease-in-out;
}

.wallpaper-card:hover .wallpaper-info {
    transform: translateY(0);
}

.wallpaper-info h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.wallpaper-info p {
    color: var(--gold);
    font-size: 14px;
}

.card-actions {
    display: grid;
    gap: 10px;
    grid-template-columns: 1fr 1fr;
    margin-top: 15px;
}

.card-actions .btn {
    align-items: center;
    border-radius: 8px;
    display: inline-flex;
    font-size: 13px;
    justify-content: center;
    min-height: 40px;
    padding: 8px 10px;
    text-align: center;
}

.bookmark-toggle.is-active {
    background: var(--purple);
    color: #ffffff;
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 36px;
}

.pagination-link {
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-main);
    display: inline-flex;
    font-weight: 700;
    justify-content: center;
    min-height: 40px;
    min-width: 40px;
    padding: 9px 14px;
    transition: 0.3s ease;
}

.pagination-link:hover,
.pagination-link:focus-visible,
.pagination-link.is-active {
    background: var(--purple);
    border-color: var(--purple);
    color: #ffffff;
}

.auth-box {
    max-width: 450px;
    margin: 80px auto;
}

.auth-box h2 {
    margin-bottom: 20px;
    text-align: center;
}

.auth-switch {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 18px;
    text-align: center;
}

.auth-switch a {
    color: var(--gold);
    font-weight: 700;
}

.auth-switch a:hover,
.auth-switch a:focus-visible {
    color: var(--purple);
    outline: none;
}

.error-msg {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid red;
    color: #ff6b6b;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
}

.success-msg {
    background: rgba(0, 255, 0, 0.1);
    border: 1px solid green;
    color: #2ed573;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
}

.register-page {
    display: flex;
    align-items: center;
    justify-content: center;
}

.register-card {
    width: 100%;
    max-width: 520px;
    margin: 48px auto;
    padding: 34px;
}

.register-heading {
    text-align: center;
    margin-bottom: 28px;
}

.eyebrow {
    color: var(--gold);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.register-heading h1 {
    font-size: 34px;
    margin-bottom: 12px;
}

.register-heading p {
    color: var(--text-muted);
    line-height: 1.6;
}

.register-submit,
.premium-upgrade-btn {
    width: 100%;
}

.register-submit {
    margin-top: 4px;
}

.premium-upgrade-btn {
    margin-top: 14px;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.13);
}

.premium-modal {
    align-items: center;
    display: none;
    inset: 0;
    justify-content: center;
    padding: 20px;
    position: fixed;
    z-index: 2000;
}

.premium-modal.is-open {
    display: flex;
}

.premium-modal__overlay {
    background: rgba(0, 0, 0, 0.74);
    backdrop-filter: blur(8px);
    inset: 0;
    position: absolute;
}

.premium-modal__dialog {
    background: #121212;
    border: 1px solid rgba(212, 175, 55, 0.28);
    border-radius: 14px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
    max-width: 460px;
    overflow: hidden;
    position: relative;
    width: 100%;
}

.premium-modal__close {
    align-items: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    font-size: 24px;
    height: 38px;
    justify-content: center;
    line-height: 1;
    position: absolute;
    right: 16px;
    top: 16px;
    width: 38px;
}

.premium-modal__close:hover,
.premium-modal__close:focus-visible {
    border-color: var(--gold);
    color: var(--gold);
    outline: none;
}

.premium-modal__content {
    padding: 34px;
}

.premium-modal__content h2 {
    font-size: 30px;
    margin-bottom: 10px;
}

.premium-modal__copy {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
}

.premium-summary {
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    padding: 14px 0;
}

.premium-summary span {
    color: var(--text-muted);
}

.premium-summary strong {
    color: var(--gold);
}

.premium-summary--total {
    border-bottom: 0;
    margin-bottom: 20px;
}

.payment-loading {
    align-items: center;
    color: var(--gold);
    display: flex;
    font-weight: 700;
    gap: 12px;
    justify-content: center;
    margin: 20px 0 6px;
}

.payment-spinner {
    animation: payment-spin 0.85s linear infinite;
    border: 3px solid rgba(212, 175, 55, 0.2);
    border-top-color: var(--gold);
    border-radius: 50%;
    height: 26px;
    width: 26px;
}

.premium-modal__actions {
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr 1fr;
    margin-top: 24px;
}

.premium-modal.is-processing .premium-modal__actions,
.premium-modal.is-processing .premium-modal__close {
    pointer-events: none;
    opacity: 0.55;
}

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

.details-container {
    display: flex;
    gap: 50px;
    margin-top: 40px;
}

.details-image {
    flex: 1.5;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.details-image img {
    width: 100%;
    display: block;
}

.details-meta {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.details-meta h1 {
    font-size: 36px;
    margin-bottom: 15px;
}

.details-meta .desc {
    color: var(--text-muted);
    margin-bottom: 30px;
    line-height: 1.6;
}

.details-actions {
    display: flex;
    gap: 15px;
}

.details-actions .btn {
    flex: 1;
    text-align: center;
}

.download-note {
    color: var(--text-muted);
    line-height: 1.5;
    margin-top: 18px;
}

.meta-list {
    margin-bottom: 30px;
    list-style: none;
}

.meta-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
}

.meta-list span {
    color: var(--gold);
}

.admin-layout {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.admin-sidebar {
    flex: 1;
}

.admin-sidebar ul {
    list-style: none;
}

.admin-sidebar li a {
    display: block;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 10px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--glass-border);
}

.admin-sidebar li a:hover, .admin-sidebar li a.active {
    background: var(--purple);
    color: white;
}

.admin-main {
    flex: 3;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    text-align: center;
    padding: 30px;
}

.stat-card h2 {
    font-size: 36px;
    color: var(--gold);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

th {
    background: rgba(255,255,255,0.05);
}

.membership-badge {
    border-radius: 8px;
    display: inline-flex;
    font-weight: 800;
    min-width: 84px;
    padding: 7px 12px;
    justify-content: center;
}

.membership-badge.is-premium {
    background: rgba(212, 175, 55, 0.12);
    border: 1px solid rgba(212, 175, 55, 0.45);
    color: var(--gold);
}

.membership-badge.is-free {
    background: rgba(122, 53, 255, 0.12);
    border: 1px solid rgba(122, 53, 255, 0.45);
    color: var(--purple);
}

footer {
    text-align: center;
    padding: 30px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 14px;
    background: #0D0D0D;
    margin-top: auto;
}

@media(max-width: 900px) {
    .details-container { flex-direction: column; }
    .details-actions { flex-direction: column; }
    .admin-layout { flex-direction: column; }
    .latest-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .featured-grid { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media(max-width: 700px) {
    .navbar {
        padding: 16px 20px;
        position: sticky;
    }

    .nav-controls {
        display: inline-flex;
        margin-left: auto;
    }

    .nav-category-desktop {
        display: none;
    }

    .nav-category-mobile .nav-category-toggle {
        min-height: 44px;
        padding: 0 14px;
        border: 1px solid var(--glass-border);
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.05);
        font-weight: 700;
    }

    .nav-category-mobile .nav-category-menu {
        right: 0;
        top: calc(100% + 8px);
    }

    .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .nav-controls + .nav-links {
        position: absolute;
        top: 100%;
        right: 20px;
        left: 20px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 12px;
        background: rgba(13, 13, 13, 0.96);
        border: 1px solid var(--glass-border);
        border-radius: 8px;
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
    }

    .nav-controls + .nav-links.is-open {
        display: flex;
    }

    .nav-controls + .nav-links li {
        width: 100%;
    }

    .nav-controls + .nav-links a {
        display: block;
        padding: 13px 14px;
        border-radius: 8px;
    }

    .nav-controls + .nav-links a:hover,
    .nav-controls + .nav-links a:focus-visible {
        background: rgba(255, 255, 255, 0.06);
    }

    .register-card,
    .premium-modal__content {
        padding: 24px;
    }

    .register-heading h1 {
        font-size: 28px;
    }

    .premium-modal__actions {
        grid-template-columns: 1fr;
    }

    .latest-grid {
        grid-template-columns: 1fr;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }
}