:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-soft: #f0f3f7;
  --surface-strong: #e6eaf0;
  --text: #151922;
  --muted: #667085;
  --border: #d9dee7;
  --primary: #2563eb;
  --primary-strong: #1d4ed8;
  --primary-soft: #e8f0ff;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --success: #15803d;
  --success-soft: #dcfce7;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --orange: #c2410c;
  --orange-soft: #ffedd5;
  --shadow: 0 14px 38px rgba(15, 23, 42, 0.08);
  --radius: 8px;
  --font: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111318;
  --surface: #191d24;
  --surface-soft: #202631;
  --surface-strong: #2b3340;
  --text: #f4f7fb;
  --muted: #a7b0bf;
  --border: #344051;
  --primary: #60a5fa;
  --primary-strong: #93c5fd;
  --primary-soft: #172d4f;
  --danger: #f87171;
  --danger-soft: #3b171b;
  --success: #4ade80;
  --success-soft: #12351f;
  --warn: #fbbf24;
  --warn-soft: #3f2f11;
  --orange: #fb923c;
  --orange-soft: #41220e;
  --shadow: 0 14px 38px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

.top_bar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand_mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--primary);
  color: #ffffff;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 16px;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.main_nav {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.main_nav a,
.admin_tab {
  border-radius: var(--radius);
  color: var(--muted);
  padding: 9px 13px;
}

.main_nav a.active,
.main_nav a:hover,
.admin_tab.active,
.admin_tab:hover {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.icon_button {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
}

.page_layout,
.admin_layout {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 54px;
}

.page_layout.narrow {
  width: min(780px, calc(100% - 32px));
}

.tool_header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.tool_header.compact {
  align-items: center;
  margin-bottom: 16px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--primary-strong);
  font-size: 13px;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 30px;
  line-height: 1.15;
}

h2 {
  font-size: 20px;
  margin-bottom: 12px;
}

h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.ghost_link {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  padding: 10px 14px;
}

.query_grid {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.query_panel,
.form_panel,
.result_panel,
.login_panel,
.modal,
.stat_card,
.operator_card,
.high_risk_panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.query_panel,
.form_panel,
.result_panel,
.login_panel,
.modal,
.high_risk_panel {
  padding: 20px;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 16px;
}

.field span,
.operator_group legend {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  outline: none;
  padding: 10px 12px;
}

.field textarea {
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent);
}

.compact_field {
  margin-bottom: 0;
}

.operator_group {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  border: 0;
}

.operator_group legend {
  grid-column: 1 / -1;
  margin-bottom: 2px;
}

.operator_group input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.operator_group label span {
  display: grid;
  min-height: 40px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
}

.operator_group input:checked + span {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.primary_button,
.secondary_button,
.danger_button {
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 9px 14px;
  font-weight: 700;
}

.primary_button {
  background: var(--primary);
  color: #ffffff;
}

.primary_button:hover {
  background: var(--primary-strong);
}

.secondary_button {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}

.secondary_button:hover {
  background: var(--surface-soft);
}

.danger_button {
  background: var(--danger);
  color: #ffffff;
}

.danger_button:hover {
  filter: brightness(0.95);
}

.primary_button:disabled,
.secondary_button:disabled,
.danger_button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.query_panel .primary_button,
.form_panel .primary_button {
  width: 100%;
}

.result_panel {
  min-height: 310px;
}

.empty_state {
  display: grid;
  min-height: 230px;
  place-items: center;
  align-content: center;
  gap: 8px;
  color: var(--muted);
  text-align: center;
}

.empty_state strong {
  color: var(--text);
  font-size: 18px;
}

.risk_summary {
  display: grid;
  gap: 14px;
}

.risk_badge {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 13px;
  font-weight: 800;
}

.risk_none,
.status_pending {
  background: var(--surface-soft);
  color: var(--muted);
}

.risk_suspect {
  background: var(--warn-soft);
  color: var(--warn);
}

.risk_high {
  background: var(--orange-soft);
  color: var(--orange);
}

.risk_severe,
.status_rejected {
  background: var(--danger-soft);
  color: var(--danger);
}

.status_approved {
  background: var(--success-soft);
  color: var(--success);
}

.result_meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.meta_item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-soft);
  padding: 12px;
}

.meta_item span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.meta_item strong {
  display: block;
  margin-top: 4px;
  font-size: 18px;
}

.record_list {
  display: grid;
  gap: 10px;
  margin-top: 2px;
}

.record_item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 13px;
}

.record_item_header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

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

.form_grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form_actions {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-start;
}

.form_actions .primary_button,
.form_actions .secondary_button {
  width: auto;
}

.admin_app {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 18px;
}

.admin_sidebar {
  position: sticky;
  top: 82px;
  display: grid;
  align-self: start;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 10px;
}

.admin_tab {
  border: 0;
  background: transparent;
  text-align: left;
  font-weight: 800;
}

.admin_tab.muted {
  color: var(--danger);
}

.admin_content {
  min-width: 0;
}

.stats_grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.stat_card {
  padding: 16px;
}

.stat_card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.stat_card strong {
  display: block;
  margin-top: 8px;
  font-size: 28px;
}

.overview_grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}

.operator_grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.operator_card {
  padding: 14px;
}

.operator_card strong {
  display: block;
  font-size: 18px;
}

.operator_card span {
  color: var(--muted);
  font-size: 13px;
}

.high_risk_panel ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.high_risk_panel li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
}

.high_risk_panel li:last-child {
  border-bottom: 0;
}

.filter_bar {
  display: grid;
  grid-template-columns: repeat(6, minmax(120px, 1fr));
  gap: 10px;
  align-items: end;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 14px;
}

.keyword_field {
  grid-column: span 2;
}

.filter_actions {
  display: flex;
  gap: 8px;
}

.bulk_bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 14px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 10px 12px;
}

.bulk_bar > div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.data_table_wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.data_table {
  width: 100%;
  border-collapse: collapse;
  min-width: 920px;
}

.data_table th,
.data_table td {
  border-bottom: 1px solid var(--border);
  padding: 11px 10px;
  text-align: left;
  vertical-align: top;
}

.data_table th {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.data_table tr:last-child td {
  border-bottom: 0;
}

.row_actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.mini_button {
  min-height: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  padding: 5px 8px;
  font-size: 13px;
}

.mini_button.danger {
  border-color: var(--danger);
  color: var(--danger);
}

.status_pill {
  display: inline-flex;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 800;
}

.table_empty {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 28px;
}

.rules_panel {
  max-width: 720px;
}

.warning_box {
  border: 1px solid color-mix(in srgb, var(--danger) 45%, var(--border));
  border-radius: var(--radius);
  background: var(--danger-soft);
  color: var(--danger);
  padding: 12px;
}

.modal_backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  background: rgba(8, 13, 23, 0.56);
  padding: 18px;
}

.modal {
  width: min(440px, 100%);
}

.modal_actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.toast_stack {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  display: grid;
  gap: 10px;
  width: min(360px, calc(100% - 36px));
}

.toast {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 12px 14px;
}

.toast.success {
  border-color: color-mix(in srgb, var(--success) 45%, var(--border));
}

.toast.error {
  border-color: color-mix(in srgb, var(--danger) 45%, var(--border));
}

.hidden {
  display: none !important;
}

.skeleton_stack,
.table_skeleton {
  display: grid;
  gap: 12px;
}

.skeleton_line,
.skeleton_block,
.skeleton_card {
  overflow: hidden;
  border-radius: var(--radius);
  background: linear-gradient(90deg, var(--surface-soft), var(--surface-strong), var(--surface-soft));
  background-size: 220% 100%;
  animation: skeleton_loading 1.2s ease-in-out infinite;
}

.skeleton_line {
  width: 70%;
  height: 18px;
}

.skeleton_line.wide {
  width: 100%;
}

.skeleton_line.short {
  width: 44%;
}

.skeleton_block {
  height: 132px;
}

.skeleton_card {
  min-height: 104px;
}

@keyframes skeleton_loading {
  0% {
    background-position: 120% 0;
  }
  100% {
    background-position: -120% 0;
  }
}

@media (max-width: 980px) {
  .query_grid,
  .admin_app,
  .overview_grid {
    grid-template-columns: 1fr;
  }

  .admin_sidebar {
    position: static;
    display: flex;
    overflow-x: auto;
  }

  .admin_tab {
    white-space: nowrap;
  }

  .stats_grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter_bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .keyword_field {
    grid-column: auto;
  }
}

@media (max-width: 720px) {
  .top_bar {
    grid-template-columns: 1fr auto;
    gap: 10px;
    padding: 12px 16px;
  }

  .brand small {
    display: none;
  }

  .main_nav {
    grid-column: 1 / -1;
    justify-content: stretch;
    order: 3;
  }

  .main_nav a {
    flex: 1;
    text-align: center;
  }

  .page_layout,
  .admin_layout,
  .page_layout.narrow {
    width: min(100% - 24px, 720px);
    padding-top: 22px;
  }

  .tool_header {
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: 24px;
  }

  .operator_group {
    grid-template-columns: repeat(2, 1fr);
  }

  .form_grid,
  .result_meta,
  .stats_grid,
  .operator_grid,
  .filter_bar {
    grid-template-columns: 1fr;
  }

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

  .bulk_bar > div,
  .filter_actions,
  .form_actions,
  .modal_actions {
    width: 100%;
  }

  .bulk_bar button,
  .filter_actions button,
  .form_actions button,
  .modal_actions button {
    flex: 1;
  }

  .data_table_wrap {
    overflow: visible;
    border: 0;
    background: transparent;
  }

  .data_table,
  .data_table thead,
  .data_table tbody,
  .data_table tr,
  .data_table th,
  .data_table td {
    display: block;
    min-width: 0;
    width: 100%;
  }

  .data_table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .data_table tr {
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    padding: 10px;
  }

  .data_table td {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 10px;
    border-bottom: 1px solid var(--border);
    padding: 9px 0;
  }

  .data_table td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
  }

  .data_table td:last-child {
    border-bottom: 0;
  }

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

  .toast_stack {
    right: 12px;
    bottom: 12px;
    width: calc(100% - 24px);
  }
}