:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --accent: #0f766e;
    --border: #d1d5db;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: "Segoe UI", Tahoma, sans-serif;
    background: var(--bg);
    color: var(--text);
}

body.catalog-page {
    height: 100vh;
    overflow: hidden;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.subtitle {
    margin: 6px 0 0;
    color: var(--muted);
}

.header-nav a {
    margin-left: 12px;
    color: var(--accent);
    text-decoration: none;
}

.header-nav a.is-active {
    font-weight: 600;
    text-decoration: underline;
}

.toolbar {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 24px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.toolbar-group {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

input[type="search"],
select,
button,
.import-label {
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--card);
}

button {
    cursor: pointer;
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.import-label input {
    margin-left: 8px;
}

.status-bar {
    margin: 0 24px 12px;
    padding: 10px 12px;
    border-radius: 6px;
    background: #ecfeff;
    border: 1px solid #a5f3fc;
    min-height: 20px;
    flex-shrink: 0;
}

.import-progress {
    margin: 0 24px 16px;
    padding: 12px 14px;
    border-radius: 8px;
    background: var(--card);
    border: 1px solid var(--border);
}

.import-progress.hidden {
    display: none;
}

.import-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
}

.progress-track {
    width: 100%;
    height: 10px;
    border-radius: 999px;
    background: #e5e7eb;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0;
    border-radius: 999px;
    background: linear-gradient(90deg, #0f766e, #14b8a6);
    transition: width 0.25s ease;
}

.import-progress-meta {
    margin: 8px 0 0;
    font-size: 13px;
    color: var(--muted);
}

.import-progress.is-error .progress-bar {
    background: #dc2626;
}

.import-progress.is-done .progress-bar {
    background: #059669;
}

.layout {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 0 24px 16px;
    overflow: hidden;
}

.table-panel,
.details-panel {
    min-height: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
    overflow: hidden;
}

.table-scroll {
    flex: 1;
    min-height: 0;
    overflow: auto;
}

.table-pagination {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.page-btn {
    min-width: 36px;
    padding: 6px 10px;
    font-size: 13px;
    background: #fff;
    color: var(--accent);
    border: 1px solid var(--border);
}

.page-btn:hover:not(:disabled) {
    background: #ecfdf5;
}

.page-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.page-info {
    min-width: 120px;
    text-align: center;
    font-size: 13px;
    color: var(--muted);
}

.details-panel {
    position: sticky;
    top: 0;
    align-self: stretch;
}

.details-panel h2 {
    margin: 0 0 10px;
    font-size: 16px;
    flex-shrink: 0;
}

.product-details {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.product-details-header {
    flex-shrink: 0;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 10px;
}

.product-details-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding-right: 4px;
}

.catalog-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.catalog-table th,
.catalog-table td {
    border-bottom: 1px solid var(--border);
    padding: 8px;
    text-align: left;
    vertical-align: top;
}

.catalog-table tbody tr {
    cursor: pointer;
}

.catalog-table thead th {
    position: sticky;
    top: 0;
    background: var(--card);
    z-index: 1;
    box-shadow: 0 1px 0 var(--border);
}

.catalog-table tbody tr:hover,
.catalog-table tbody tr.selected {
    background: #eef2ff;
}

.catalog-table tbody tr.selected {
    box-shadow: inset 3px 0 0 var(--accent);
}

.product-details h3 {
    margin-top: 0;
}

.product-details .meta {
    color: var(--muted);
    font-size: 13px;
}

.product-details a {
    color: var(--accent);
    word-break: break-all;
}

.product-details .detail-block {
    margin-bottom: 14px;
}

.product-details .detail-block h4 {
    margin: 0 0 6px;
    font-size: 14px;
    color: var(--accent);
}

.product-details .product-description {
    line-height: 1.5;
    margin: 0;
}

.product-details .field-text {
    margin: 0 0 8px;
    white-space: pre-wrap;
}

.product-details .field-intro {
    margin-bottom: 10px;
}

.product-details .field-subtitle {
    margin: 14px 0 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
}

.product-details .field-list {
    margin: 0 0 12px;
    padding-left: 22px;
}

.product-details .field-list li {
    margin-bottom: 8px;
    line-height: 1.45;
}

.product-details .field-list li::marker {
    color: var(--accent);
}

.product-details .tag {
    display: inline-block;
    margin: 0 6px 6px 0;
    padding: 2px 8px;
    border-radius: 999px;
    background: #e0f2f1;
    font-size: 12px;
}

@media (max-width: 1100px) {
    body.catalog-page {
        height: auto;
        overflow: auto;
    }

    .layout {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(280px, 45vh) minmax(320px, 1fr);
        overflow: visible;
    }

    .details-panel {
        order: -1;
    }
}