/* ═══════════════════════════════════════════
   Catalog — Filters, Table, Detail, Pagination
═══════════════════════════════════════════ */

/* ═══ CATALOG LAYOUT ═══ */
.catalog-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 24px;
    align-items: start;
}

/* ═══ SIDEBAR FILTERS ═══ */
.catalog-sidebar {
    position: sticky;
    top: 80px;
}

.filter-block {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 16px;
    margin-bottom: 12px;
}

.filter-title {
    font-family: var(--f-body);
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text3);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.filter-title i { color: var(--accent); font-size: 0.85rem; }

.filter-list { display: flex; flex-direction: column; gap: 1px; }

.filter-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 10px;
    border-radius: 7px;
    font-size: 0.82rem;
    color: var(--text);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}
.filter-item:hover { background: var(--hover); color: var(--accent); }
.filter-item.active { background: rgba(26,81,153,0.06); color: var(--accent); font-weight: 700; }
[data-theme="dark"] .filter-item.active { background: rgba(91,160,245,0.1); }
.filter-item small { font-family: var(--f-mono); font-size: 0.7rem; color: var(--text3); }

.filter-select {
    width: 100%;
    padding: 8px 10px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text);
    font-family: var(--f-body);
    font-size: 0.82rem;
    outline: none;
    transition: border-color 0.2s;
    cursor: pointer;
}
.filter-select:focus { border-color: var(--accent); }

.price-range {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}
.price-range span { color: var(--text3); }

.filter-input {
    width: 100%;
    padding: 7px 10px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text);
    font-family: var(--f-mono);
    font-size: 0.8rem;
    outline: none;
    transition: border-color 0.2s;
}
.filter-input:focus { border-color: var(--accent); }

.filter-apply-btn {
    width: 100%;
    padding: 8px;
    border: none;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    font-family: var(--f-body);
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s;
}
.filter-apply-btn:hover { background: var(--accent2); }

/* ═══ VIEW CONTROLS ═══ */
.view-controls {
    display: flex;
    gap: 4px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 3px;
}
.view-btn {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 8px;
    color: var(--text3);
    font-size: 1rem;
    transition: all 0.15s;
    text-decoration: none;
}
.view-btn:hover { color: var(--accent); background: var(--hover); }
.view-btn.active { color: var(--accent); background: rgba(26,81,153,0.08); }
[data-theme="dark"] .view-btn.active { background: rgba(91,160,245,0.1); }

/* ═══ TABLE VIEW ═══ */
.table-responsive { overflow-x: auto; }

.catalog-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
}
.catalog-table thead th {
    padding: 12px 16px;
    font-family: var(--f-body);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text3);
    background: var(--bg3);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.catalog-table tbody td {
    padding: 12px 16px;
    font-size: 0.84rem;
    border-bottom: 1px solid var(--border2);
    vertical-align: middle;
}
.catalog-table tbody tr:last-child td { border-bottom: none; }
.catalog-table tbody tr:hover { background: var(--hover); }

.table-code {
    font-family: var(--f-mono);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent);
    white-space: nowrap;
}
.table-name {
    color: var(--text);
    line-height: 1.4;
}
.table-cat {
    font-family: var(--f-mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(26,81,153,0.06);
    padding: 2px 8px;
    border-radius: 50px;
    white-space: nowrap;
}
.table-price {
    font-family: var(--f-mono);
    font-weight: 700;
    white-space: nowrap;
}

.status-badge {
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 50px;
    white-space: nowrap;
}
.status-active { background: var(--green-bg); color: var(--green); }
.status-cancelled { background: rgba(220,38,38,0.06); color: var(--red); }
.status-replaced { background: rgba(26,81,153,0.06); color: var(--accent); }

.btn-cart-sm {
    height: 28px; width: 28px; padding: 0;
    border-radius: 6px;
    border: none; background: var(--accent); color: #fff;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; transition: background 0.15s;
}
.btn-cart-sm:hover { background: var(--accent2); }

/* ═══ PAGINATION ═══ */
.pagination-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.pagination {
    display: flex;
    gap: 4px;
}
.page-link {
    min-width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text2);
    font-family: var(--f-mono);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s;
    padding: 0 8px;
}
.page-link:hover { border-color: var(--accent); color: var(--accent); }
.page-current {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.page-current:hover { color: #fff; }
.page-dots { border: none; background: none; color: var(--text3); }
.page-dots:hover { color: var(--text3); border: none; }
.pagination-info {
    font-size: 0.78rem;
    color: var(--text3);
}

/* ═══ EMPTY STATE ═══ */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text3);
}
.empty-state i { font-size: 3rem; margin-bottom: 16px; display: block; }
.empty-state h4 { font-family: var(--f-body); font-weight: 700; color: var(--text); margin-bottom: 6px; }
.empty-state p { font-size: 0.88rem; }

/* ═══ BREADCRUMBS ═══ */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text3);
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.breadcrumbs a { color: var(--text2); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs i { font-size: 0.6rem; }
.breadcrumbs span { color: var(--text); font-weight: 600; }

/* ═══ DETAIL PAGE ═══ */
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    align-items: start;
}

.detail-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 28px;
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.detail-code {
    font-family: var(--f-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-top: 4px;
}
.detail-code-alt {
    font-family: var(--f-mono);
    font-size: 0.85rem;
    color: var(--text3);
    margin-top: 2px;
}

.detail-title {
    font-family: var(--f-body);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.5;
    color: var(--text);
    margin-bottom: 8px;
}
.detail-title-alt {
    font-size: 0.9rem;
    color: var(--text2);
    line-height: 1.5;
    margin-bottom: 20px;
}

.detail-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--r);
    overflow: hidden;
    margin: 20px 0;
}
.detail-meta-item {
    padding: 12px 16px;
    background: var(--surface);
}
.dm-label { display: block; font-size: 0.7rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; margin-bottom: 4px; }
.dm-value { font-size: 0.88rem; font-weight: 600; color: var(--text); }

.detail-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.detail-section h4 {
    font-family: var(--f-body);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}
.detail-section p {
    font-size: 0.88rem;
    color: var(--text2);
    line-height: 1.6;
}

.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.detail-tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 50px;
    background: var(--bg3);
    color: var(--text2);
    border: 1px solid var(--border);
}

/* ═══ PURCHASE CARD ═══ */
.purchase-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 24px;
    position: sticky;
    top: 80px;
}
.purchase-price {
    font-family: var(--f-mono);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 2px;
}
.purchase-price small { font-size: 1.2rem; color: var(--text3); font-weight: 400; }
.purchase-vat { font-size: 0.75rem; color: var(--text3); margin-bottom: 20px; }

.purchase-btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: var(--r);
    background: var(--accent);
    color: #fff;
    font-family: var(--f-body);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background 0.15s;
    margin-bottom: 8px;
}
.purchase-btn:hover { background: var(--accent2); }

.purchase-btn-alt {
    width: 100%;
    padding: 10px;
    border: 1.5px solid var(--border);
    border-radius: var(--r);
    background: transparent;
    color: var(--text2);
    font-family: var(--f-body);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.15s;
    margin-bottom: 20px;
}
.purchase-btn-alt:hover { border-color: var(--red); color: var(--red); }

.purchase-info { border-top: 1px solid var(--border); padding-top: 16px; }
.pi-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text2);
    padding: 5px 0;
}
.pi-row i { color: var(--accent); font-size: 0.9rem; }

/* ═══ RELATED CARD ═══ */
.related-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 18px;
    margin-top: 12px;
}
.related-card h5 {
    font-family: var(--f-body);
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}
.related-item {
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid var(--border2);
    text-decoration: none;
    transition: padding-left 0.15s;
}
.related-item:last-child { border-bottom: none; }
.related-item:hover { padding-left: 4px; }
.ri-code { font-family: var(--f-mono); font-size: 0.75rem; font-weight: 600; color: var(--accent); }
.ri-name { font-size: 0.8rem; color: var(--text); line-height: 1.4; margin-top: 2px; }
.ri-price { font-family: var(--f-mono); font-size: 0.78rem; font-weight: 700; color: var(--text); margin-top: 4px; }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1024px) {
    .catalog-layout { grid-template-columns: 220px 1fr; }
    .detail-layout { grid-template-columns: 1fr 300px; }
}
@media (max-width: 768px) {
    .catalog-layout { grid-template-columns: 1fr; }
    .catalog-sidebar { position: static; }
    .detail-layout { grid-template-columns: 1fr; }
    .purchase-card { position: static; }
    .detail-meta-grid { grid-template-columns: 1fr; }
}