:root {
    --app-font: "Noto Sans SC", "HarmonyOS Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
    --page-bg: #f4f6f9;
    --text-main: #1f2933;
    --text-muted: #5b6570;
    --card-bg: #ffffff;
    --header-bg: #ffffff;
    --header-border: #e6e9ef;
    --table-header-bg: #f6f7fb;
    --table-border: #e6e9ef;
    --table-stripe: rgba(15, 23, 42, 0.03);
    --warn-bg: #fff0ea;
    --warn-border: #d4191c;
    --warn-text: #6d201a;
    --hover-bg: #eef4ff;
    --link-color: #1d4ed8;
    --badge-normal-bg: #e7f3ff;
    --badge-normal-text: #1d4ed8;
    --warn-hover-bg: #ffe4d8;
    --detail-bg: #edf1f7;
    --detail-border: #d6dde8;
    --detail-shadow: rgba(15, 23, 42, 0.1);
    --expand-border: #1d4ed8;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --page-bg: #0f1115;
    --text-main: #e5e7eb;
    --text-muted: #a6adbb;
    --card-bg: #161a22;
    --header-bg: #0f141c;
    --header-border: #1f2632;
    --table-header-bg: #1e2530;
    --table-border: #2a3240;
    --table-stripe: rgba(255, 255, 255, 0.03);
    --warn-bg: rgba(239, 68, 68, 0.18);
    --warn-border: #ef4444;
    --warn-text: #ffd6d6;
    --hover-bg: rgba(59, 130, 246, 0.12);
    --link-color: #8ab4ff;
    --badge-normal-bg: #132b45;
    --badge-normal-text: #8ab4ff;
    --warn-hover-bg: rgba(239, 68, 68, 0.28);
    --detail-bg: #121923;
    --detail-border: #2a3648;
    --detail-shadow: rgba(0, 0, 0, 0.35);
    --expand-border: #8ab4ff;
}

html {
    color-scheme: light;
}

body {
    background: var(--page-bg);
    font-family: var(--app-font);
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-main);
}

.card {
    border: none;
    background: var(--card-bg);
    color: var(--text-main);
}

.section-card {
    position: relative;
}

.section-header-subtitle {
    min-height: 1.2em;
}

.report-filters {
    position: relative;
}

.report-filters-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(1px);
    border-radius: 12px;
    z-index: 4;
}

html[data-theme="dark"] .report-filters-loading {
    background: rgba(15, 17, 21, 0.72);
}

.section-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(1px);
    border-radius: 12px;
    z-index: 3;
}

html[data-theme="dark"] .section-loading {
    background: rgba(15, 17, 21, 0.7);
}

.app-header {
    background: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
}

.text-muted {
    color: var(--text-muted) !important;
}

a {
    color: var(--link-color);
}

.theme-toggle-group .btn {
    border-color: var(--table-border);
    color: var(--text-main);
    background: transparent;
}

.theme-toggle-group .btn:hover {
    background: var(--hover-bg);
}

.form-control,
.form-select {
    background-color: var(--card-bg);
    color: var(--text-main);
    border-color: var(--table-border);
}

.select2-container--bootstrap-5 .select2-selection {
    background-color: var(--card-bg);
    border-color: var(--table-border);
    color: var(--text-main);
    min-height: 38px;
}

.select2-container--bootstrap-5 .select2-selection--single .select2-selection__rendered {
    color: var(--text-main);
    line-height: 36px;
}

.select2-container--bootstrap-5 .select2-selection--single .select2-selection__placeholder {
    color: var(--text-muted);
}

.select2-container--bootstrap-5 .select2-selection--single .select2-selection__arrow b {
    border-color: var(--text-muted) transparent transparent transparent;
}

.select2-container--bootstrap-5 .select2-dropdown {
    background-color: var(--card-bg);
    border-color: var(--table-border);
    color: var(--text-main);
}

.select2-container--bootstrap-5 .select2-results__option--highlighted {
    background-color: var(--hover-bg);
    color: var(--text-main);
}

.select2-container--bootstrap-5 .select2-results__option[aria-selected="true"] {
    background-color: var(--table-header-bg);
    color: var(--text-main);
}

.select2-container--bootstrap-5 .select2-search__field {
    background-color: var(--card-bg);
    color: var(--text-main);
    border-color: var(--table-border);
}

.search-term-loading-option {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--text-muted);
}

.search-term-loading-spinner {
    width: 0.82rem;
    height: 0.82rem;
    border: 2px solid var(--table-border);
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: searchTermSpin 0.72s linear infinite;
    flex: 0 0 auto;
}

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

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control:focus,
.form-select:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.2);
}

.form-check-input {
    border-color: var(--table-border);
}

.sidebar-sticky {
    position: sticky;
    top: 1rem;
    align-self: flex-start;
    min-height: calc(100vh - 2rem);
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    padding: 1rem;
    padding-right: 1.25rem;
    background: var(--card-bg);
    border: 1px solid var(--table-border);
    border-radius: 16px;
}

.section-refresh {
    width: 34px;
    height: 34px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-color: var(--table-border);
    color: var(--text-main);
}

.section-refresh:hover {
    background: var(--hover-bg);
}

.refresh-icon {
    width: 16px;
    height: 16px;
}

.table {
    font-size: 0.9rem;
    color: var(--text-main);
    --bs-table-color: var(--text-main);
    --bs-table-bg: transparent;
}

.table thead th,
.table tbody td {
    color: var(--text-main);
}

.table > :not(caption) > * > * {
    border-color: var(--table-border);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--table-stripe);
}

.table-scroll {
    max-height: 55vh;
    overflow: auto;
    border: 1px solid var(--table-border);
    border-radius: 12px;
    background: var(--card-bg);
    scrollbar-gutter: stable both-edges;
}

.table-scroll .table {
    margin-bottom: 0;
}

.table-scroll thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--table-header-bg);
    font-weight: 600;
    box-shadow: inset 0 -1px 0 var(--table-border);
}

.table-scroll thead th.sortable-header {
    cursor: pointer;
    user-select: none;
    padding-right: 1.4rem;
}

.table-scroll thead th.sortable-header::after {
    content: "<>";
    position: absolute;
    right: 0.45rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.64rem;
    line-height: 1;
    letter-spacing: -0.08em;
    opacity: 0.78;
}

.table-scroll thead th.sortable-header.sort-asc::after {
    content: "^";
    opacity: 1;
}

.table-scroll thead th.sortable-header.sort-desc::after {
    content: "v";
    opacity: 1;
}

.table-scroll thead th.sortable-header:focus-visible {
    outline: 2px solid var(--expand-border);
    outline-offset: -2px;
}

.data-table {
    min-width: 1400px;
}

.data-table-targeting {
    min-width: 1900px;
}

.data-table-campaign,
.data-table-search-term,
.data-table-sku {
    min-width: 1600px;
}

.data-table-category {
    min-width: 1400px;
}

.data-table-category-trend {
    min-width: 1900px;
}

.detail-scroll {
    max-height: 40vh;
}

.detail-table {
    min-width: 1200px;
}

.data-table th,
.data-table td,
.detail-table th,
.detail-table td {
    padding: 0.45rem 0.6rem;
    vertical-align: middle;
    white-space: nowrap;
}

.table .detail-row > td {
    background: var(--detail-bg);
    border-top: 1px solid var(--detail-border);
    padding: 0.75rem;
}

.detail-panel {
    background: var(--card-bg);
    border: 1px solid var(--detail-border);
    border-radius: 10px;
    padding: 0.75rem;
    box-shadow: 0 8px 18px var(--detail-shadow);
}

.data-table-targeting th,
.data-table-targeting td,
.data-table-campaign th,
.data-table-campaign td,
.data-table-search-term th,
.data-table-search-term td,
.data-table-category-trend th,
.data-table-category-trend td {
    padding: 0.35rem 0.5rem;
    line-height: 1.35;
}

.data-table-targeting,
.data-table-campaign,
.data-table-search-term,
.data-table-category-trend {
    font-size: 0.85rem;
}

.data-table-targeting th:nth-child(-n + 4),
.data-table-targeting td:nth-child(-n + 4),
.data-table-campaign th:nth-child(-n + 2),
.data-table-campaign td:nth-child(-n + 2),
.data-table-search-term th:nth-child(-n + 2),
.data-table-search-term td:nth-child(-n + 2),
.data-table-category th:nth-child(1),
.data-table-category td:nth-child(1),
.data-table-category-trend th:nth-child(1),
.data-table-category-trend td:nth-child(1),
.data-table-sku th:nth-child(-n + 2),
.data-table-sku td:nth-child(-n + 2),
.detail-table th:nth-child(-n + 2),
.detail-table td:nth-child(-n + 2) {
    min-width: 220px;
    text-align: left;
    white-space: normal;
}

.data-table-targeting th:nth-child(n + 5),
.data-table-targeting td:nth-child(n + 5),
.data-table-campaign th:nth-child(n + 3),
.data-table-campaign td:nth-child(n + 3),
.data-table-search-term th:nth-child(n + 3),
.data-table-search-term td:nth-child(n + 3),
.data-table-category th:nth-child(n + 2),
.data-table-category td:nth-child(n + 2),
.data-table-category-trend th:nth-child(n + 2),
.data-table-category-trend td:nth-child(n + 2),
.data-table-sku th:nth-child(n + 3),
.data-table-sku td:nth-child(n + 3),
.detail-table th:nth-child(n + 3),
.detail-table td:nth-child(n + 3) {
    min-width: 110px;
    text-align: right;
}

.row-warning > * {
    background-color: var(--warn-bg) !important;
    color: var(--warn-text);
    font-weight: 600;
}

.row-warning td:first-child {
    box-shadow: inset 4px 0 0 var(--warn-border);
}

.table-hover tbody tr:hover > * {
    background-color: var(--hover-bg);
}

.table-hover tbody tr.row-warning:hover > * {
    background-color: var(--warn-hover-bg) !important;
}

html[data-theme="dark"] .bg-light {
    background-color: #151b23 !important;
    color: var(--text-main) !important;
}

.clickable-row {
    cursor: pointer;
}

.clickable-row td:first-child {
    position: relative;
}

.search-term-jump-btn {
    border: 0;
    background: transparent;
    padding: 0;
    margin: 0;
    color: var(--link-color);
    text-decoration: underline dotted;
    text-underline-offset: 2px;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.search-term-jump-btn:hover {
    color: #1f5fd6;
}

.search-term-jump-btn:focus-visible {
    outline: 2px solid var(--expand-border);
    outline-offset: 2px;
    border-radius: 2px;
}

.expand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    margin-right: 0.35rem;
    color: var(--text-muted);
    font-weight: 700;
    transition: color 0.15s ease;
}

.expand-icon::before {
    content: "+";
}

.clickable-row[aria-expanded="true"] .expand-icon::before {
    content: "-";
}

.clickable-row[aria-expanded="true"] .expand-icon {
    color: var(--text-main);
}

.clickable-row[aria-expanded="true"] {
    outline: 2px solid var(--expand-border);
    outline-offset: -2px;
}

.detail-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.1rem 0.45rem;
    margin-right: 0.35rem;
    border-radius: 999px;
    border: 1px solid var(--table-border);
    background: var(--table-header-bg);
    color: var(--text-muted);
    font-size: 0.7rem;
    letter-spacing: 0.02em;
}

.detail-loading {
    min-height: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.detail-fade-in {
    animation: detailFade 0.25s ease;
}

@keyframes detailFade {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-content {
    background: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--table-border);
}

.modal-header {
    border-bottom-color: var(--table-border);
}

.modal-body {
    background: var(--card-bg);
}

html[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.status-badge.warning {
    background: var(--warn-border);
    color: #fff;
}

.status-badge.normal {
    background: var(--badge-normal-bg);
    color: var(--badge-normal-text);
}

.chart-wrapper {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 8px 10px;
    border: 1px solid var(--table-border);
    min-height: 220px;
    height: auto;
    overflow: hidden;
}

.chart-wrapper canvas {
    max-height: 100%;
}