:root {
    --brand: #111827;
    --brand-soft: #f3f4f6;
    --border: #e5e7eb;
    --muted: #6b7280;
    --surface: #ffffff;
    --page: #f8fafc;
    --radius: 18px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: #111827;
    background: var(--page);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 13px 14px;
    font: inherit;
    background: #fff;
}

textarea {
    resize: vertical;
}

label {
    display: grid;
    gap: 7px;
    font-weight: 650;
}

small,
.helper-text {
    color: var(--muted);
}

.full {
    width: 100%;
}

.admin-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
}

.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 26px;
    color: #fff;
    background: #111827;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.brand {
    font-size: 1.15rem;
    font-weight: 850;
    text-decoration: none;
}

.sidebar-nav {
    display: grid;
    gap: 8px;
    flex: 1;
}

.sidebar-nav a {
    padding: 12px 14px;
    border-radius: 10px;
    text-decoration: none;
}

.sidebar-nav a:hover {
    background: rgba(255, 255, 255, .08);
}

.admin-main {
    width: min(1400px, 100%);
    padding: 34px;
}

.mobile-topbar {
    display: none;
}

.page-heading,
.section-heading,
.price-line,
.status-line,
.form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.page-heading {
    margin-bottom: 24px;
}

.page-heading h1,
.catalog-hero h1,
.product-info h1 {
    margin: 4px 0 0;
}

.eyebrow {
    margin: 0;
    color: var(--muted);
    font-size: .8rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.metrics-grid.compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metrics-grid sl-card::part(base) {
    height: 100%;
    border-radius: var(--radius);
}

.metric-label,
.metric-detail {
    display: block;
    color: var(--muted);
}

.metric-value {
    display: block;
    margin: 10px 0 4px;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.section-card,
.sale-product-summary,
.danger-zone {
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    margin-bottom: 22px;
}

.section-heading {
    margin-bottom: 16px;
}

.section-heading h2 {
    margin: 0;
}

.table-scroll {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
}

th {
    color: var(--muted);
    font-size: .8rem;
    text-transform: uppercase;
}

.search-bar,
.filter-bar {
    display: flex;
    align-items: end;
    gap: 12px;
    margin-bottom: 22px;
}

.search-bar input {
    max-width: 520px;
}

.product-admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 18px;
}

.admin-product-card {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
}

.admin-product-card > img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: #f3f4f6;
}

.admin-product-content {
    padding: 18px;
}

.admin-product-content h2 {
    margin: 14px 0 6px;
    font-size: 1.1rem;
}

.admin-product-content p {
    margin: 0 0 16px;
    color: var(--muted);
}

.status-badge {
    padding: 5px 9px;
    border-radius: 999px;
    background: #eef2ff;
    font-size: .75rem;
    font-weight: 800;
}

.status-sold_out,
.status-inactive {
    background: #f3f4f6;
    color: #6b7280;
}

.status-reserved {
    background: #fff7ed;
    color: #9a3412;
}

.card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.form-grid {
    display: grid;
    gap: 20px;
}

.form-two-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.span-2 {
    grid-column: span 2;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.checkbox-line {
    display: flex;
    align-items: center;
    gap: 9px;
    font-weight: 600;
}

.checkbox-line input {
    width: auto;
}

.photo-admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 14px;
}

.photo-admin-item {
    display: grid;
    gap: 8px;
}

.photo-admin-item img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 12px;
}

.danger-zone {
    border-color: #fecaca;
    background: #fff7f7;
}

.sale-product-summary {
    display: flex;
    align-items: center;
    gap: 18px;
}

.sale-product-summary img {
    width: 110px;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 14px;
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
    background: #111827;
}

.login-card {
    width: min(440px, 100%);
}

.login-card h1 {
    margin-top: 0;
}

.public-body {
    background: #fff;
}

.public-header {
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 18px max(20px, calc((100vw - 1180px) / 2));
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(16px);
}

.public-main {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.catalog-hero {
    padding: 64px 0 34px;
    text-align: center;
}

.catalog-hero h1 {
    font-size: clamp(2rem, 5vw, 4rem);
}

.catalog-hero > p:not(.eyebrow) {
    color: var(--muted);
}

.catalog-search {
    width: min(640px, 100%);
    margin: 28px auto 0;
    display: flex;
    gap: 10px;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    padding-bottom: 50px;
}

.catalog-card {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: inherit;
    background: #fff;
    text-decoration: none;
    transition: transform .18s ease, box-shadow .18s ease;
}

.catalog-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 45px rgba(17, 24, 39, .08);
}

.catalog-image-wrap {
    position: relative;
}

.catalog-card img {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    background: #f3f4f6;
}

.catalog-chip {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(17,24,39,.9);
    color: #fff;
    font-size: .75rem;
    font-weight: 850;
}

.catalog-chip.inline {
    position: static;
    display: inline-flex;
}

.catalog-card-content {
    padding: 16px;
}

.catalog-card-content h2 {
    margin: 0 0 7px;
    font-size: 1rem;
}

.catalog-card-content p {
    min-height: 20px;
    margin: 0 0 12px;
    color: var(--muted);
}

.public-price {
    display: block;
    margin: 14px 0 24px;
    font-size: 2rem;
}

.product-detail {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(340px, .8fr);
    gap: 42px;
    padding: 38px 0 80px;
}

.product-gallery {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.product-gallery img {
    width: 100%;
    border-radius: var(--radius);
    aspect-ratio: 4 / 5;
    object-fit: cover;
    background: #f3f4f6;
}

.product-info {
    position: sticky;
    top: 110px;
    align-self: start;
}

.product-info h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
}

.product-meta {
    display: grid;
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--border);
}

.product-meta div {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 13px 15px;
    background: #fff;
}

.product-meta span {
    color: var(--muted);
}

.product-description {
    margin: 24px 0;
    color: #374151;
    line-height: 1.7;
}

.back-link {
    display: inline-block;
    margin-top: 28px;
    color: var(--muted);
    text-decoration: none;
}

.public-footer {
    padding: 30px 20px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    text-align: center;
}

.empty-state {
    padding: 44px;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    text-align: center;
    grid-column: 1 / -1;
}

@media (max-width: 1050px) {
    .metrics-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .catalog-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 800px) {
    .admin-shell {
        display: block;
    }

    .sidebar {
        display: none;
    }

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

    .admin-main {
        padding: 20px 16px 40px;
    }

    .catalog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .product-detail {
        grid-template-columns: 1fr;
    }

    .product-info {
        position: static;
    }
}

@media (max-width: 560px) {
    .page-heading,
    .form-actions,
    .search-bar,
    .filter-bar {
        align-items: stretch;
        flex-direction: column;
    }

    .metrics-grid,
    .metrics-grid.compact {
        grid-template-columns: 1fr;
    }

    .form-two-columns {
        grid-template-columns: 1fr;
    }

    .span-2 {
        grid-column: auto;
    }

    .catalog-hero {
        padding-top: 40px;
    }

    .catalog-search {
        flex-direction: column;
    }

    .catalog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .catalog-card-content {
        padding: 12px;
    }

    .product-gallery {
        grid-template-columns: 1fr;
    }
}