/* ============================================================================
   Enquiries Page Styles
   ============================================================================ */

.enquiry-page {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Metric Cards */
.enquiry-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.enquiry-metrics .metric-card {
    background: var(--card-bg, #fff);
    border-radius: var(--radius-lg, 12px);
    padding: 20px;
    box-shadow: var(--shadow, 0 2px 8px rgba(0,0,0,0.08));
}

.enquiry-metrics .metric-label {
    font-size: 13px;
    color: var(--text-secondary, #6b7280);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.enquiry-metrics .metric-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text, #1f2937);
}

.enquiry-metrics .metric-value-sm {
    font-size: 14px;
    font-weight: 600;
}

/* ============================================================================
   Filter Bar — 2-row stacked layout
   ============================================================================ */

.enquiry-filters {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--card-bg, #fff);
    border-radius: var(--radius-lg, 12px);
    box-shadow: var(--shadow, 0 2px 8px rgba(0,0,0,0.08));
    padding: 16px 20px;
}

.filter-row {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
}

.filter-row-search {
    padding-bottom: 12px;
}

.filter-row-search .filter-search {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-row-actions {
    border-top: 1px solid var(--border, #e5e7eb);
    padding-top: 12px;
    align-items: center;
}

.filter-row-actions .filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.enquiry-filters label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary, #6b7280);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.enquiry-filters .filter-input {
    padding: 9px 12px;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    font-size: 14px;
    background: var(--card-bg, #fff);
    color: var(--text, #1f2937);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    box-sizing: border-box;
}

.enquiry-filters .filter-input:focus {
    outline: none;
    border-color: var(--primary, #2563eb);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.enquiry-filters .filter-select {
    padding: 9px 12px;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    font-size: 14px;
    background: var(--card-bg, #fff);
    color: var(--text, #1f2937);
    min-width: 140px;
}

.enquiry-filters .filter-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

/* ============================================================================
   Filter Tree Panel
   ============================================================================ */

.filter-tree-panel {
    border-top: 1px solid var(--border, #e5e7eb);
    border-bottom: 1px solid var(--border, #e5e7eb);
    padding: 12px 0;
}

.tree-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    gap: 12px;
}

.tree-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary, #6b7280);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.tree-title i {
    margin-right: 4px;
}

.tree-toolbar-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.tree-search-input {
    width: 180px;
    padding: 5px 10px !important;
    font-size: 12px !important;
}

.tree-content {
    max-height: 340px;
    overflow-y: auto;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    padding: 6px 8px;
    background: var(--bg, #f9fafb);
}

.tree-content::-webkit-scrollbar {
    width: 6px;
}

.tree-content::-webkit-scrollbar-track {
    background: transparent;
}

.tree-content::-webkit-scrollbar-thumb {
    background: var(--border, #e5e7eb);
    border-radius: 3px;
}

.tree-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary, #6b7280);
}

.tree-loading,
.tree-empty {
    text-align: center;
    padding: 24px;
    color: var(--text-secondary, #6b7280);
    font-size: 13px;
}

/* Tree node structure */
.tree-node {
    user-select: none;
}

.tree-node-row {
    display: flex;
    align-items: center;
    padding: 3px 4px;
    gap: 2px;
    border-radius: 4px;
    cursor: default;
}

.tree-node-row:hover {
    background: rgba(37, 99, 235, 0.04);
}

.tree-expand-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-secondary, #6b7280);
    padding: 0;
    flex-shrink: 0;
    border-radius: 3px;
}

.tree-expand-btn:hover {
    background: var(--border, #e5e7eb);
    color: var(--text, #1f2937);
}

.tree-expand-btn i {
    font-size: 9px;
    transition: transform 0.15s ease;
}

.tree-expand-btn.expanded i {
    transform: rotate(90deg);
}

.tree-expand-spacer {
    width: 20px;
    flex-shrink: 0;
}

.tree-label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    flex: 1;
    min-width: 0;
}

.tree-cb {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    accent-color: var(--primary, #2563eb);
    cursor: pointer;
    margin: 0;
}

.tree-text {
    font-size: 13px;
    color: var(--text, #1f2937);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tree-node[data-level="type"] > .tree-node-row .tree-text {
    font-weight: 600;
}

.tree-text-nst {
    font-size: 12px;
    color: var(--text-secondary, #6b7280);
}

.tree-node[data-level="nst"] > .tree-node-row {
    padding-left: 2px;
}

.filter-chip-nst {
    font-size: 11px;
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tree-count {
    font-size: 11px;
    color: var(--text-secondary, #6b7280);
    flex-shrink: 0;
}

.tree-children {
    padding-left: 22px;
}

.tree-children.collapsed {
    display: none;
}

/* Tree search highlight */
.tree-node.tree-hidden {
    display: none;
}

.tree-highlight {
    background: rgba(245, 158, 11, 0.35);
    border-radius: 2px;
    padding: 0 1px;
}

/* ============================================================================
   Filter Summary Bar + Chips
   ============================================================================ */

.filter-summary {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    min-width: 0;
}

.filter-summary-text {
    font-size: 13px;
    color: var(--text-secondary, #6b7280);
    white-space: nowrap;
}

.filter-chips {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary, #2563eb);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.filter-chip .chip-remove {
    cursor: pointer;
    opacity: 0.6;
    font-size: 10px;
    flex-shrink: 0;
    padding: 0 2px;
}

.filter-chip .chip-remove:hover {
    opacity: 1;
}

/* ============================================================================
   Preset Controls
   ============================================================================ */

.enquiry-filters .filter-preset {
    min-width: 180px;
}

.preset-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.preset-controls .filter-select {
    min-width: 130px;
    flex: 1;
}

/* ============================================================================
   Buttons
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border: none;
    border-radius: var(--radius, 8px);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition, all 0.2s ease);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary, #2563eb);
    color: #fff;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark, #1d4ed8);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-sm {
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    background: var(--card-bg, #fff);
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    transition: var(--transition, all 0.2s ease);
    white-space: nowrap;
}

.btn-sm:hover {
    background: var(--bg, #f9fafb);
    border-color: var(--primary, #2563eb);
    color: var(--primary, #2563eb);
}

.btn-danger-sm:hover {
    border-color: var(--danger, #dc2626);
    color: var(--danger, #dc2626);
}

/* Export Button */
.btn-export {
    background: var(--success, #059669);
    color: #fff;
    padding: 9px 16px;
    border: none;
    border-radius: var(--radius, 8px);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition, all 0.2s ease);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-export:hover:not(:disabled) {
    background: #047857;
}

.btn-export:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================================================
   Empty State
   ============================================================================ */

.enquiry-empty {
    text-align: center;
    padding: 60px 20px;
    background: var(--card-bg, #fff);
    border-radius: var(--radius-lg, 12px);
    box-shadow: var(--shadow, 0 2px 8px rgba(0,0,0,0.08));
}

.enquiry-empty .empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.4;
}

.enquiry-empty h3 {
    margin: 0 0 8px;
    font-size: 1.1rem;
    color: var(--text, #1f2937);
}

.enquiry-empty p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary, #6b7280);
}

/* ============================================================================
   Vehicle Table
   ============================================================================ */

.enquiry-table-wrapper {
    background: var(--card-bg, #fff);
    border-radius: var(--radius-lg, 12px);
    box-shadow: var(--shadow, 0 2px 8px rgba(0,0,0,0.08));
    overflow: hidden;
}

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

.enquiry-table th,
.enquiry-table td {
    padding: 12px 16px;
    text-align: left;
    font-size: 14px;
    border-bottom: 1px solid var(--border, #e5e7eb);
}

.enquiry-table th {
    background: var(--bg, #f9fafb);
    color: var(--text-secondary, #6b7280);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    user-select: none;
}

.enquiry-table th.sortable {
    cursor: pointer;
}

.enquiry-table th.sortable:hover {
    color: var(--primary, #2563eb);
}

.enquiry-table th.sortable::after {
    content: '\2195';
    margin-left: 4px;
    font-size: 11px;
    opacity: 0.4;
}

.enquiry-table th.sort-asc::after {
    content: '\2191';
    opacity: 1;
    color: var(--primary, #2563eb);
}

.enquiry-table th.sort-desc::after {
    content: '\2193';
    opacity: 1;
    color: var(--primary, #2563eb);
}

.enquiry-table tbody tr:hover {
    background: var(--bg, #f9fafb);
}

.enquiry-table td {
    color: var(--text, #1f2937);
}

.enquiry-table .mono {
    font-family: 'Courier New', monospace;
    font-size: 13px;
}

/* ============================================================================
   Pagination
   ============================================================================ */

.enquiry-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-top: 1px solid var(--border, #e5e7eb);
}

.per-page-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary, #6b7280);
}

.per-page-selector select {
    padding: 4px 8px;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    font-size: 13px;
    background: var(--card-bg, #fff);
    color: var(--text, #1f2937);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.page-btn {
    padding: 6px 12px;
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 8px);
    background: var(--card-bg, #fff);
    font-size: 13px;
    color: var(--text, #1f2937);
    cursor: pointer;
    transition: var(--transition, all 0.2s ease);
}

.page-btn:hover:not(:disabled):not(.active) {
    background: var(--bg, #f9fafb);
    border-color: var(--primary, #2563eb);
}

.page-btn.active {
    background: var(--primary, #2563eb);
    color: #fff;
    border-color: var(--primary, #2563eb);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-info {
    font-size: 13px;
    color: var(--text-secondary, #6b7280);
    margin: 0 8px;
}

/* ============================================================================
   Allocations Section
   ============================================================================ */

.allocations-section,
.stats-section {
    background: var(--card-bg, #fff);
    border-radius: var(--radius-lg, 12px);
    box-shadow: var(--shadow, 0 2px 8px rgba(0,0,0,0.08));
    overflow: hidden;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border, #e5e7eb);
}

.section-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text, #1f2937);
}

.date-picker-group input[type="date"] {
    padding: 6px 10px;
    font-size: 13px;
    min-width: 140px;
}

.allocations-summary {
    padding: 12px 20px;
    display: flex;
    gap: 24px;
    align-items: center;
    border-bottom: 1px solid var(--border, #e5e7eb);
    font-size: 14px;
    color: var(--text-secondary, #6b7280);
    flex-wrap: wrap;
}

.allocations-summary .summary-stat {
    display: flex;
    align-items: center;
    gap: 6px;
}

.allocations-summary .summary-value {
    font-weight: 600;
    color: var(--text, #1f2937);
}

.allocations-summary .summary-new {
    color: var(--success, #059669);
    font-weight: 600;
}

.allocations-summary .summary-removed {
    color: var(--danger, #dc2626);
    font-weight: 600;
}

.allocations-empty {
    padding: 32px 20px;
    text-align: center;
    color: var(--text-secondary, #6b7280);
    font-size: 14px;
}

/* Group subtotal rows */
.allocations-table .group-header-row td {
    background: var(--bg, #f9fafb);
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary, #6b7280);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 10px 16px;
}

.allocations-table .group-subtotal-row td {
    background: var(--bg, #f9fafb);
    font-weight: 600;
    font-size: 13px;
    color: var(--text, #1f2937);
    border-top: 1px solid var(--border, #e5e7eb);
}

/* ============================================================================
   Stats Widget — Collapsible
   ============================================================================ */

.stats-table-wrapper {
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.stats-table-wrapper.collapsed {
    max-height: 0;
}

.stats-table-wrapper.expanded {
    max-height: 3000px;
    transition: max-height 0.5s ease;
}

#toggle-stats-btn i {
    transition: transform 0.2s ease;
}

#toggle-stats-btn.expanded i {
    transform: rotate(180deg);
}

.stats-table .change-up {
    color: var(--success, #059669);
    font-weight: 600;
}

.stats-table .change-down {
    color: var(--danger, #dc2626);
    font-weight: 600;
}

.stats-table .change-flat {
    color: var(--text-secondary, #6b7280);
}

.stats-table .new-count {
    color: var(--success, #059669);
    font-weight: 600;
}

/* ============================================================================
   Aging badge
   ============================================================================ */

.age-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    min-width: 28px;
    text-align: center;
}

.age-fresh {
    background: rgba(5, 150, 105, 0.1);
    color: var(--success, #059669);
}

.age-aging {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

.age-old {
    background: rgba(220, 38, 38, 0.1);
    color: var(--danger, #dc2626);
}

/* ============================================================================
   Utilities
   ============================================================================ */

.hidden {
    display: none !important;
}

/* ============================================================================
   Responsive
   ============================================================================ */

@media (max-width: 1024px) {
    .enquiry-metrics {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .enquiry-metrics {
        grid-template-columns: 1fr;
    }

    .filter-row {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-row-actions .filter-actions {
        margin-left: 0;
    }

    .tree-toolbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .tree-toolbar-actions {
        width: 100%;
    }

    .tree-search-input {
        flex: 1;
        width: auto;
    }

    .enquiry-pagination {
        flex-direction: column;
        gap: 12px;
    }

    .enquiry-table th,
    .enquiry-table td {
        padding: 8px 10px;
        font-size: 13px;
    }
}