:root {
  --bg: #f7f9fb;
  --surface: #ffffff;
  --surface-soft: #f1f5f7;
  --text: #172026;
  --muted: #65727c;
  --border: #dbe3e8;
  --border-strong: #b7c5ce;
  --accent: #087f8c;
  --accent-strong: #045f69;
  --accent-soft: #e5f5f7;
  --warning: #b7791f;
  --shadow: 0 16px 40px rgba(23, 32, 38, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.brand-block h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
  font-weight: 750;
}

.brand-block p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.toolbar,
.quick-filters,
.summary-strip,
.pager,
.field-filter,
.history-actions,
.panel-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toolbar {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.segmented {
  display: inline-flex;
  padding: 3px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.segment,
.text-button,
.icon-button,
.pager button,
.field-filter button {
  min-height: 34px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-weight: 650;
}

.segment {
  border-color: transparent;
  padding: 0 12px;
  background: transparent;
}

.segment.active {
  background: var(--accent);
  color: #ffffff;
}

.text-button {
  padding: 0 12px;
}

.icon-button {
  width: 36px;
  padding: 0;
}

.search-control,
.quick-filters label,
.column-search {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.search-control input,
.quick-filters select,
.field-filter input,
.field-filter select,
.column-search input,
#pageSize,
#pageJump {
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 13px;
}

#pageJump {
  width: 64px;
  min-height: 34px;
  padding: 0 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.page-jump {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.search-control input {
  width: 240px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 16px;
  padding: 16px;
}

.table-region,
.side-panel {
  min-width: 0;
}

.summary-strip {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(6, minmax(100px, 1fr));
  margin-bottom: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.summary-strip div {
  padding: 12px 14px;
  border-right: 1px solid var(--border);
}

.summary-strip div:last-child {
  border-right: 0;
}

.summary-label {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.summary-strip strong {
  font-size: 22px;
  line-height: 1;
}

.quick-filters {
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.quick-filters label {
  flex: 1 1 190px;
  justify-content: space-between;
}

.table-wrap {
  position: relative;
  height: calc(100vh - 252px);
  min-height: 420px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

table {
  width: max-content;
  min-width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

th,
td {
  max-width: 280px;
  min-width: 132px;
  padding: 8px 10px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
  font-size: 13px;
}

th:first-child,
td:first-child {
  position: sticky;
  left: 0;
  z-index: 5;
  min-width: 178px;
  background: inherit;
}

thead th {
  position: sticky;
  top: 0;
  z-index: 8;
  background: #eef4f6;
  color: #24323a;
  font-weight: 750;
}

thead tr.filter-row th {
  top: 38px;
  padding: 6px;
  background: #f8fbfc;
}

thead th:first-child {
  z-index: 12;
}

tbody tr:nth-child(even) td {
  background: #fbfdfe;
}

tbody tr:hover td {
  background: var(--accent-soft);
}

.sort-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 8px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  font-weight: 750;
}

.filter-input {
  width: 100%;
  height: 30px;
  padding: 0 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  outline: 0;
  background: var(--surface);
  font-size: 12px;
}

.empty-state {
  position: sticky;
  left: 0;
  display: grid;
  min-height: 240px;
  place-content: center;
  padding: 24px;
  text-align: center;
}

.empty-state h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

.empty-state p {
  margin: 0;
  color: var(--muted);
}

.pager {
  justify-content: center;
  margin-top: 10px;
}

.pager button {
  padding: 0 12px;
}

.pager button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.side-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.side-panel section {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.side-panel h2 {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.2;
}

.field-filter {
  align-items: stretch;
  flex-wrap: wrap;
}

.field-filter select,
.field-filter input {
  height: 34px;
  padding: 0 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.field-filter select {
  flex: 1 1 42%;
}

.field-filter input {
  flex: 1 1 36%;
}

.field-filter button {
  padding: 0 10px;
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.condition-list {
  display: grid;
  gap: 10px;
}

.condition-item {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fbfdfe;
}

.condition-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
}

.range-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 6px;
}

.range-controls input,
.history-sync input {
  min-width: 0;
  height: 32px;
  padding: 0 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.range-controls button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 750;
}

.history-sync {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.history-actions {
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-top: 8px;
}

.history-status {
  margin: 8px 0;
  color: var(--muted);
  font-size: 12px;
}

.history-list {
  display: grid;
  max-height: 220px;
  overflow: auto;
  gap: 8px;
}

.history-item {
  display: grid;
  gap: 4px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fbfdfe;
}

.history-item button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent-strong);
  text-align: left;
  font-size: 13px;
  font-weight: 750;
}

.history-item span {
  color: var(--muted);
  font-size: 12px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--accent-soft);
  font-size: 12px;
}

.filter-chip button {
  width: 18px;
  height: 18px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  line-height: 18px;
}

.panel-title-row {
  justify-content: space-between;
}

.panel-title-row h2 {
  margin: 0;
}

.link-button {
  border: 0;
  background: transparent;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 750;
}

.column-search {
  justify-content: space-between;
  margin-bottom: 10px;
}

.column-list {
  display: grid;
  max-height: 42vh;
  overflow: auto;
  gap: 6px;
  padding-right: 4px;
}

.column-list label {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  color: var(--text);
  font-size: 13px;
}

.column-list span {
  overflow-wrap: anywhere;
}

.download-list {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.download-list a {
  color: var(--accent-strong);
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 980px) {
  .topbar {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .toolbar {
    justify-content: flex-start;
    width: 100%;
  }

  .search-control input {
    width: 180px;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .table-wrap {
    height: 62vh;
  }

  .summary-strip {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .summary-strip div:nth-child(even) {
    border-right: 0;
  }
}

@media (max-width: 640px) {
  .workspace {
    padding: 10px;
  }

  .summary-strip {
    grid-template-columns: 1fr;
  }

  .summary-strip div {
    border-right: 0;
  }

  .search-control,
  .search-control input,
  .text-button,
  .segmented {
    width: 100%;
  }

  .segment {
    flex: 1;
  }
}

.center-region {
  min-width: 0;
}
.center-hero, .center-filters section, .card-list article, .custom-sort-panel {
  margin-bottom: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.center-hero {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}
.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}
.center-hero h2 { margin: 6px 0; font-size: 26px; }
.center-hero p { margin: 0; color: var(--muted); }
.center-count { text-align: right; }
.center-count strong { display: block; font-size: 34px; color: var(--accent); }
.center-filters { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.center-inline, .sort-level { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.center-inline label, .sort-level label { display: grid; gap: 5px; color: var(--muted); font-size: 12px; font-weight: 700; }
.center-inline select, .sort-level select, .sort-level textarea { border: 1px solid var(--border); border-radius: 6px; padding: 8px; background: var(--surface); color: var(--text); }
.center-condition-list { display: grid; gap: 12px; }
.center-condition-group h4 { margin: 0 0 8px; color: var(--muted); font-size: 12px; }
.center-condition-options { display: flex; flex-wrap: wrap; gap: 8px; }
.center-condition-item { display: flex; align-items: center; gap: 8px; border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; background: var(--surface-soft); }
.center-condition-item label { white-space: nowrap; }
.center-range-inputs { display: flex; gap: 4px; }
.center-range-inputs input { width: 72px; min-width: 0; padding: 4px 6px; border: 1px solid var(--border); border-radius: 5px; background: var(--surface); }
.selected-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.selected-tags span { padding: 6px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-strong); font-size: 12px; font-weight: 700; }
.card-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; max-width: 980px; margin: 0 auto; }
.card-list article { margin: 0; box-shadow: none; }
.card-list h3 { margin: 0 0 8px; font-size: 17px; }
.series-card-toggle { display: grid; grid-template-columns: minmax(0, 1fr) auto; width: 100%; padding: 0; border: 0; background: transparent; color: var(--text); text-align: left; cursor: pointer; }
.series-card-toggle h3 { grid-column: 1; margin-bottom: 3px; }
.series-match-count { grid-column: 1; color: var(--muted); font-size: 12px; font-weight: 650; }
.series-expand-indicator { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--accent-strong); font-size: 12px; font-weight: 750; }
.series-model-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.series-model-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.series-model-row h4 { margin: 0; flex: 0 0 auto; min-width: 150px; }
.series-model-row .card-meta { flex: 1 1 auto; flex-wrap: nowrap; overflow: hidden; min-width: 0; }
.series-model-row .card-meta span { white-space: nowrap; text-overflow: ellipsis; overflow: hidden; max-width: 180px; }
.series-model-row { padding: 10px; border-radius: 8px; background: var(--surface-soft); }
.series-model-row h4 { margin: 0 0 7px; font-size: 14px; }
.card-meta { display: flex; flex-wrap: wrap; gap: 6px; color: var(--muted); font-size: 12px; }
.card-meta span { padding: 4px 7px; border: 1px solid var(--border); border-radius: 999px; }
.verified-badge { color: var(--accent-strong); font-weight: 800; }
.verified-badge.triple-source { color: #22c55e; border-color: #22c55e; background: rgba(34,197,94,.12); }
.verified-badge.dual-source { color: var(--accent-strong); border-color: var(--accent-strong); background: rgba(99,102,241,.08); }
.center-actions, .custom-sort-actions { display: flex; justify-content: center; gap: 8px; margin-bottom: 12px; }
.custom-sort-panel h2 { margin-top: 0; }
.sort-level { padding: 10px 0; border-top: 1px solid var(--border); }
.sort-level:first-of-type { border-top: 0; }
.sort-level textarea { min-width: 220px; min-height: 38px; }
@media (max-width: 860px) {
  .workspace, .center-filters { grid-template-columns: 1fr; }
  .center-hero { align-items: flex-start; flex-direction: column; }
  .series-model-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .series-model-row .card-meta { flex-wrap: wrap; }
  .series-model-row .card-meta span { max-width: none; white-space: normal; }
}