* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Light theme (default) */
:root {
    --bg: #f5f5f5;
    --bg-card: #ffffff;
    --bg-header: #e8e8e8;
    --text: #1a1a1a;
    --text-muted: #666666;
    --accent: #333333;
    --accent-hover: #555555;
    --success: #2e7d32;
    --warning: #f57c00;
    --error: #c62828;
    --border: #d0d0d0;
    --link: #1565c0;
}

/* Dark theme */
[data-theme="dark"] {
    --bg: #1a1a1a;
    --bg-card: #252525;
    --bg-header: #2d2d2d;
    --text: #e0e0e0;
    --text-muted: #999999;
    --accent: #e0e0e0;
    --accent-hover: #ffffff;
    --success: #66bb6a;
    --warning: #ffb74d;
    --error: #ef5350;
    --border: #404040;
    --link: #64b5f6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.4;
    font-size: 14px;
}

/* Full width layout */
.container {
    max-width: 100%;
    padding: 10px 20px;
}

/* Compact header */
header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

header .theme-toggle {
    margin-left: auto;
}

.logo {
    text-decoration: none;
}

.logo h1 {
    font-size: 1.3rem;
    color: var(--text);
    white-space: nowrap;
    transition: color 0.15s;
}

.logo:hover h1 {
    color: var(--link);
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Search form - horizontal compact */
.search-form {
    background: var(--bg-card);
    border-radius: 6px;
    padding: 12px 15px;
    margin-bottom: 15px;
    border: 1px solid var(--border);
}

.search-box {
    display: flex;
    gap: 10px;
}

.search-input-wrapper {
    flex: 1;
    position: relative;
}

.search-box input[type="text"] {
    width: 100%;
    padding: 10px 14px;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg);
    color: var(--text);
    transition: border-color 0.2s;
}

.search-box input[type="text"]:focus {
    outline: none;
    border-color: var(--accent);
}

.search-box input[type="text"]::placeholder {
    color: var(--text-muted);
}

/* History dropdown */
.history-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 4px 4px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.history-dropdown.hidden {
    display: none;
}

.history-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    gap: 10px;
}

.history-item:last-child {
    border-bottom: none;
}

.history-item:hover {
    background: var(--bg-header);
}

.history-item-query {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-item-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.history-item-delete {
    padding: 4px 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    line-height: 1;
    border-radius: 3px;
}

.history-item-delete:hover {
    background: var(--error);
    border-color: var(--error);
    color: white;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 12px;
    background: var(--bg-header);
    font-size: 0.75rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

.history-clear-btn {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 3px;
}

.history-clear-btn:hover {
    background: var(--error);
    border-color: var(--error);
    color: white;
}

.search-box button {
    padding: 10px 28px;
    font-size: 0.95rem;
    font-weight: 500;
    background: var(--accent);
    color: var(--bg);
    border: 1px solid var(--accent);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.search-box button:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.search-box button:disabled {
    background: var(--text-muted);
    border-color: var(--text-muted);
    color: var(--bg);
    cursor: not-allowed;
}

/* Filters inline */
.filters {
    margin-top: 10px;
}

.filters summary {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.85rem;
    user-select: none;
}

.filter-content {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

.suppliers-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.supplier-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: all 0.15s;
}

.supplier-toggle:hover {
    border-color: var(--accent);
    color: var(--text);
}

.supplier-toggle:has(input:checked) {
    background: var(--bg-header);
    border-color: var(--accent);
    color: var(--text);
}

.supplier-toggle input {
    cursor: pointer;
    accent-color: var(--accent);
}

.limit-control {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.limit-control input {
    width: 60px;
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg);
    color: var(--text);
    text-align: center;
}

/* Status - compact */
.status {
    padding: 8px 15px;
    border-radius: 4px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.status.hidden {
    display: none;
}

.status.loading {
    background: rgba(100, 100, 100, 0.1);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.status.error {
    background: rgba(198, 40, 40, 0.1);
    color: var(--error);
    border: 1px solid rgba(198, 40, 40, 0.3);
}

[data-theme="dark"] .status.error {
    background: rgba(239, 83, 80, 0.15);
    border-color: rgba(239, 83, 80, 0.3);
}

.status.success {
    background: rgba(46, 125, 50, 0.1);
    color: var(--success);
    border: 1px solid rgba(46, 125, 50, 0.25);
}

[data-theme="dark"] .status.success {
    background: rgba(102, 187, 106, 0.15);
    border-color: rgba(102, 187, 106, 0.3);
}

/* Results - grid of suppliers */
.results {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.supplier-result {
    background: var(--bg-card);
    border-radius: 6px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.supplier-result.has-error {
    border-color: var(--error);
}

.supplier-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-header);
    border-bottom: 1px solid var(--border);
}

.supplier-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.supplier-meta {
    display: flex;
    gap: 15px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.supplier-error {
    padding: 10px 12px;
    color: var(--error);
    background: rgba(198, 40, 40, 0.1);
    font-size: 0.85rem;
}

[data-theme="dark"] .supplier-error {
    background: rgba(239, 83, 80, 0.1);
}

/* Products table - compact and dense */
.products-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.products-table th,
.products-table td {
    padding: 6px 10px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.products-table th {
    background: rgba(15, 52, 96, 0.5);
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
}

.products-table tbody tr:hover {
    background: rgba(255,255,255,0.03);
}

.products-table .sku {
    font-family: "SF Mono", Monaco, monospace;
    font-size: 0.8rem;
    white-space: nowrap;
    color: var(--text-muted);
}

.products-table .name {
    max-width: 500px;
}

.products-table .name a {
    color: var(--link);
    text-decoration: none;
}

.products-table .name a:hover {
    text-decoration: underline;
}

.products-table .price {
    text-align: right;
    white-space: nowrap;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.products-table .price-discounted {
    color: var(--success);
}

.products-table .price-original {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-left: 6px;
}

.products-table .availability {
    text-align: center;
    white-space: nowrap;
}

.availability-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 500;
}

.availability-badge.in-stock {
    background: rgba(0, 210, 106, 0.15);
    color: var(--success);
}

.availability-badge.out-of-stock {
    background: rgba(198, 40, 40, 0.15);
    color: var(--error);
}

[data-theme="dark"] .availability-badge.out-of-stock {
    background: rgba(239, 83, 80, 0.15);
}

.availability-badge.on-order {
    background: rgba(255, 193, 7, 0.15);
    color: var(--warning);
}

.availability-badge.unknown {
    background: rgba(139, 157, 195, 0.15);
    color: var(--text-muted);
}

/* Summary section */
.results-summary {
    display: flex;
    gap: 20px;
    padding: 10px 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    margin-bottom: 10px;
}

.results-summary .stat {
    display: flex;
    gap: 5px;
}

.results-summary .stat-value {
    color: var(--text);
    font-weight: 500;
}

/* Collapsed empty/error suppliers */
.empty-suppliers {
    margin-top: 10px;
    padding: 10px;
    background: var(--bg-card);
    border-radius: 4px;
    border: 1px solid var(--border);
}

.empty-suppliers summary {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.empty-suppliers-list {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.empty-supplier-tag {
    padding: 3px 8px;
    background: var(--bg);
    border-radius: 3px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.empty-supplier-tag.error {
    color: var(--error);
}

/* Theme toggle button */
.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 6px 10px;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.15s;
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--text);
}

.theme-toggle svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* Home view */
.home-view.hidden,
.search-view.hidden {
    display: none;
}

.history-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.history-section.hidden {
    display: none;
}

.history-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-header);
    border-bottom: 1px solid var(--border);
}

.history-section-header h2 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.btn-secondary {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-secondary:hover {
    border-color: var(--error);
    color: var(--error);
}

.history-list {
    display: flex;
    flex-direction: column;
}

.history-card {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.15s;
}

.history-card:last-child {
    border-bottom: none;
}

.history-card:hover {
    background: var(--bg-header);
}

.history-card-query {
    flex: 1;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.history-card-info {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.history-card-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

.history-card-delete {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s;
}

.history-card-delete:hover {
    background: var(--error);
    border-color: var(--error);
    color: white;
}

.empty-history {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-history.hidden {
    display: none;
}

.empty-history p {
    margin-bottom: 8px;
}

.text-muted {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

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

    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .products-table {
        font-size: 0.8rem;
    }

    .products-table th,
    .products-table td {
        padding: 5px 6px;
    }

    .supplier-meta {
        flex-direction: column;
        gap: 2px;
    }

    .limit-control {
        margin-left: 0;
        margin-top: 10px;
    }
}