/* ============================================================
   Design tokens — "loading dock" identity: graphite + safety-amber,
   monospace for SKUs/stock data (this is ERP-backed commerce, so the
   inventory/warehouse vocabulary is real, not decorative).
   ============================================================ */
:root {
    --bg: #12161c;
    --surface: #1b212b;
    --surface-raised: #232b37;
    --border: #2c3542;
    --text: #e8ecf1;
    --text-muted: #8792a2;
    --accent: #f2a93b;
    --accent-text: #12161c;
    --success: #4caf7d;
    --danger: #e15554;
    --font-display: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
    --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
    --radius: 3px;
}

* { box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 0 0 0.5em;
}

.wrap {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Header ---- */
.site-header {
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    position: sticky;
    top: 0;
    z-index: 10;
}
.site-header .wrap {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-top: 16px;
    padding-bottom: 16px;
}
.logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text);
    letter-spacing: -0.02em;
}
.logo:hover { text-decoration: none; color: var(--accent); }

.search { flex: 1; display: flex; max-width: 420px; }
.search input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-right: none;
    border-radius: var(--radius) 0 0 var(--radius);
    color: var(--text);
    font-family: var(--font-body);
}
.search button {
    padding: 8px 16px;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 0 var(--radius) var(--radius) 0;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.search button:hover { color: var(--text); }

.nav-links { display: flex; gap: 20px; align-items: center; margin-left: auto; }
.nav-links a { color: var(--text-muted); font-size: 0.9rem; }
.nav-links a:hover { color: var(--text); }
.cart-link { position: relative; }
.badge {
    display: inline-block;
    background: var(--accent);
    color: var(--accent-text);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 20px;
    margin-left: 6px;
}

/* ---- Flash messages ---- */
.flash { padding: 12px 0; font-size: 0.9rem; }
.flash-success { background: rgba(76, 175, 125, 0.12); border-bottom: 1px solid var(--success); color: var(--success); }
.flash-error { background: rgba(225, 85, 84, 0.12); border-bottom: 1px solid var(--danger); color: var(--danger); }

main.wrap { padding-top: 32px; padding-bottom: 64px; min-height: 60vh; }

/* ---- Catalog layout ---- */
.catalog-layout { display: grid; grid-template-columns: 200px 1fr; gap: 40px; }
.sidebar h3 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}
.category-list { list-style: none; margin: 0; padding: 0; }
.category-list li { border-left: 2px solid transparent; }
.category-list li.active { border-left-color: var(--accent); }
.category-list a {
    display: block;
    padding: 6px 0 6px 12px;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.category-list li.active a, .category-list a:hover { color: var(--text); text-decoration: none; }

.result-count { color: var(--text-muted); font-family: var(--font-mono); font-size: 0.8rem; margin-top: -8px; }

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 24px;
}
.product-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    color: var(--text);
    display: block;
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.product-card:hover {
    border-color: var(--accent);
    text-decoration: none;
    transform: translateY(-2px);
}
.product-thumb {
    aspect-ratio: 1 / 1;
    background: var(--surface-raised);
    display: flex;
    align-items: center;
    justify-content: center;
}
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.no-image {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
}
.no-image.large { aspect-ratio: 1/1; display: flex; align-items: center; justify-content: center; background: var(--surface-raised); border-radius: var(--radius); }
.product-info { padding: 14px; }
.product-ref {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}
.product-info h3 { font-size: 1rem; margin: 4px 0 8px; }
.price { font-family: var(--font-mono); font-weight: 600; font-size: 1rem; margin: 0 0 6px; }
.stock { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; margin: 0; }
.stock::before { content: "● "; }
.stock.in-stock { color: var(--success); }
.stock.out-stock { color: var(--danger); }

.pagination { display: flex; gap: 8px; margin-top: 32px; font-family: var(--font-mono); }
.pagination a {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
}
.pagination a.active { border-color: var(--accent); color: var(--accent); }

.empty-state { color: var(--text-muted); padding: 40px 0; }

/* ---- Product detail ---- */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.product-detail-image img { width: 100%; border-radius: var(--radius); }
.categories { margin: 8px 0; }
.tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    padding: 3px 8px;
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-muted);
    margin-right: 6px;
}
.price-large { font-family: var(--font-mono); font-size: 1.8rem; font-weight: 700; margin: 12px 0 4px; }
.tax-note { font-size: 0.8rem; color: var(--text-muted); font-weight: 400; }
.description { margin-top: 24px; color: var(--text-muted); }

.add-to-cart-form { display: flex; align-items: center; gap: 12px; margin: 20px 0; }
.add-to-cart-form input[type=number] {
    width: 70px;
    padding: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius);
    font-family: var(--font-mono);
}

button, .btn-primary {
    font-family: var(--font-display);
    font-weight: 600;
    cursor: pointer;
    border: none;
    border-radius: var(--radius);
}
.add-to-cart-form button, .checkout-form button, .auth-form button {
    background: var(--accent);
    color: var(--accent-text);
    padding: 10px 20px;
    font-size: 0.9rem;
}
.add-to-cart-form button:hover, .checkout-form button:hover, .auth-form button:hover { background: #ffbc5c; }
.btn-disabled {
    background: var(--surface-raised);
    color: var(--text-muted);
    padding: 10px 20px;
    border-radius: var(--radius);
}
.btn-primary {
    display: inline-block;
    background: var(--accent);
    color: var(--accent-text);
    padding: 12px 24px;
    text-align: center;
    margin-top: 16px;
}
.btn-primary:hover { background: #ffbc5c; text-decoration: none; }

/* ---- Cart / tables ---- */
.cart-table { width: 100%; border-collapse: collapse; margin-top: 20px; }
.cart-table th, .cart-table td {
    text-align: left;
    padding: 12px 8px;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}
.cart-table th { color: var(--text-muted); font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; }
.ref { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); }
.cart-table input[type=number] {
    width: 60px;
    padding: 6px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius);
    font-family: var(--font-mono);
}
.link-btn { background: none; border: none; color: var(--danger); font-family: var(--font-body); font-weight: 400; text-decoration: underline; padding: 0; font-size: 0.85rem; }

.cart-summary { margin-top: 24px; max-width: 320px; margin-left: auto; }
.cart-summary table { width: 100%; font-family: var(--font-mono); font-size: 0.9rem; }
.cart-summary td { padding: 4px 0; }
.cart-summary td:last-child { text-align: right; }
.cart-summary .total { font-weight: 700; font-size: 1.1rem; border-top: 1px solid var(--border); }
.cart-summary .total td { padding-top: 10px; }

/* ---- Checkout / auth forms ---- */
.checkout-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; }
.checkout-form, .auth-form { display: flex; flex-direction: column; gap: 14px; max-width: 480px; }
.checkout-form label, .auth-form label { display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; color: var(--text-muted); }
.checkout-form input, .checkout-form select, .auth-form input {
    padding: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.95rem;
}
.order-summary { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; height: fit-content; }
.order-summary ul { list-style: none; padding: 0; margin: 0 0 16px; font-size: 0.85rem; color: var(--text-muted); }
.order-summary li { padding: 6px 0; border-bottom: 1px solid var(--border); }
.order-summary .total { font-family: var(--font-mono); font-weight: 700; font-size: 1.1rem; }

.auth-form { margin: 0 auto; }

/* ---- Footer ---- */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

/* ---- Responsive ---- */
@media (max-width: 860px) {
    .catalog-layout, .product-detail, .checkout-layout { grid-template-columns: 1fr; }
    .site-header .wrap { flex-wrap: wrap; }
    .search { order: 3; max-width: none; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}

/* ---- Checkout extras: guest fields, radio rows ---- */
.hint { color: var(--text-muted); font-size: 0.82rem; margin: -6px 0 4px; }
.radio-row { flex-direction: row !important; align-items: center; gap: 8px !important; font-size: 0.9rem; color: var(--text); }
.radio-row input { width: auto; }

/* ---- Order status pill on confirmation page ---- */
.order-status { display: inline-block; padding: 6px 14px; border-radius: 20px; font-family: var(--font-mono); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
.status-paid { background: rgba(76, 175, 125, 0.15); color: var(--success); }
.status-pending { background: rgba(242, 169, 59, 0.15); color: var(--accent); }
.status-failed { background: rgba(225, 85, 84, 0.15); color: var(--danger); }

/* ============================================================
   Admin dashboard
   ============================================================ */
.admin-header-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; }
.admin-nav { display: flex; align-items: center; gap: 18px; font-family: var(--font-mono); font-size: 0.82rem; }
.admin-nav a { color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.admin-nav a.active, .admin-nav a:hover { color: var(--accent); text-decoration: none; }
.admin-user { color: var(--text-muted); }

.admin-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 32px; }
.admin-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.admin-card.card-alert { border-color: var(--danger); }
.card-label { display: block; font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; color: var(--text-muted); letter-spacing: 0.05em; margin-bottom: 8px; }
.card-value { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; }

.admin-section { margin-bottom: 40px; }
.section-header-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.sync-actions { display: flex; gap: 10px; }
.sync-actions form { display: inline; }

.btn-secondary {
    background: var(--surface-raised);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 8px 14px;
    font-size: 0.82rem;
    border-radius: var(--radius);
}
.btn-secondary:hover { border-color: var(--accent); }

.admin-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.admin-table th, .admin-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
.admin-table th { font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); }
.admin-table .log-message, .admin-table .error-text { color: var(--text-muted); max-width: 360px; }
.admin-table .error-text { color: var(--danger); }

.pill { display: inline-block; padding: 2px 10px; border-radius: 20px; font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; }
.pill-ok { background: rgba(76, 175, 125, 0.15); color: var(--success); }
.pill-error { background: rgba(225, 85, 84, 0.15); color: var(--danger); }
.pill-pending { background: rgba(242, 169, 59, 0.15); color: var(--accent); }

.filter-row { display: flex; gap: 8px; margin-bottom: 16px; font-family: var(--font-mono); font-size: 0.78rem; flex-wrap: wrap; }
.filter-row a { padding: 5px 12px; border: 1px solid var(--border); border-radius: 20px; color: var(--text-muted); text-transform: uppercase; }
.filter-row a.active, .filter-row a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

.link-btn-ok { background: none; border: none; color: var(--success); text-decoration: underline; cursor: pointer; font-size: 0.82rem; padding: 0; }