/* Tools (data analysis) page */

.tools-hero { padding: 110px 0 36px; }

.tools-card {
  background: var(--surface, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: var(--r-card, 14px);
  padding: 24px 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.tools-card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.tools-card-head h3 { font-size: 16px; font-weight: 700; color: var(--navy, #0f172a); margin: 0; }
.tools-quota { font-size: 13px; color: var(--muted); padding: 4px 12px; background: var(--blue-pale); border-radius: 999px; }
.tools-current-name { font-size: 13px; color: var(--blue); font-weight: 600; }

/* Upload */
.tools-upload-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.tools-upload-btn { cursor: pointer; }
.tools-hint { font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.tools-hint code { background: #f1f5f9; padding: 2px 6px; border-radius: 4px; font-size: 11.5px; color: #475569; }
.tools-fb { margin-top: 12px; padding: 10px 14px; border-radius: 8px; font-size: 13px; display: none; }
.tools-fb.ok { display: block; background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.tools-fb.err { display: block; background: var(--red-pale); color: var(--red); border: 1px solid #fecaca; }
.tools-fb.info { display: block; background: var(--blue-pale); color: var(--blue); border: 1px solid #bfdbfe; }

/* Datasets list */
.tools-datasets { display: grid; gap: 10px; }
.tools-dataset-row {
  display: grid; grid-template-columns: 1fr auto auto auto;
  gap: 12px; align-items: center;
  padding: 14px 16px; border: 1px solid var(--border); border-radius: 10px;
  background: #fff; cursor: pointer; transition: all .15s ease;
}
.tools-dataset-row:hover { border-color: #bfdbfe; background: var(--blue-pale); }
.tools-dataset-row.is-active { border-color: var(--blue); background: var(--blue-pale); box-shadow: 0 0 0 3px rgba(37,99,235,.08); }
.tools-dataset-name { font-weight: 600; color: var(--navy); font-size: 14px; }
.tools-dataset-meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.tools-dataset-quality {
  font-size: 12px; padding: 4px 10px; border-radius: 999px; font-weight: 600;
}
.tq-good { background: #dcfce7; color: #166534; }
.tq-mid  { background: #fef3c7; color: #92400e; }
.tq-bad  { background: #fee2e2; color: #991b1b; }
.tools-dataset-rows { font-size: 12px; color: var(--muted); font-family: 'JetBrains Mono', monospace; }

/* Quality cards */
.tools-quality { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.tools-q-card {
  padding: 14px 16px; border: 1px solid var(--border); border-radius: 10px; background: #fafbfc;
}
.tools-q-card__label { font-size: 12px; color: var(--muted); }
.tools-q-card__value { font-size: 22px; font-weight: 700; color: var(--navy); margin-top: 4px; font-variant-numeric: tabular-nums; }
.tools-q-card__hint  { font-size: 11.5px; color: var(--muted); margin-top: 4px; }
.tools-q-card.is-warning { background: #fffbeb; border-color: #fde68a; }
.tools-q-card.is-warning .tools-q-card__value { color: #b45309; }

/* Quality detail (per-field completeness bar) */
.tools-q-fields { margin-top: 16px; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.tools-q-field-row {
  font-size: 12.5px;
  padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; background: #fff;
}
.tools-q-field-label { display: flex; justify-content: space-between; margin-bottom: 4px; color: #475569; }
.tools-q-field-bar { height: 6px; border-radius: 3px; background: #f1f5f9; overflow: hidden; }
.tools-q-field-bar > span { display: block; height: 100%; background: linear-gradient(90deg, #10b981, #059669); border-radius: 3px; transition: width .25s ease; }
.tools-q-field-bar > span.bar-mid { background: linear-gradient(90deg, #f59e0b, #d97706); }
.tools-q-field-bar > span.bar-low { background: linear-gradient(90deg, #ef4444, #dc2626); }

/* Query form */
.tools-query-form { display: flex; gap: 10px; margin-bottom: 12px; }
.tools-query-form .kb-input { flex: 1; }
.tools-suggest { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.tools-result-text {
  margin-top: 14px;
  background: linear-gradient(135deg, #eff6ff, #f5f3ff);
  border-left: 3px solid var(--blue); border-radius: 6px;
  padding: 12px 16px; font-size: 14px; line-height: 1.7;
  display: none;
}
.tools-result-text.show { display: block; }

/* Filters (cross-filter chips) */
.tools-filters {
  margin-bottom: 14px;
  padding: 10px 14px; border-radius: 10px; background: #fffbeb; border: 1px solid #fde68a;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.tools-filters__label { font-size: 12.5px; font-weight: 600; color: #92400e; }
.tools-filter-chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; padding: 4px 10px; border-radius: 999px;
  background: #fff; border: 1px solid #fde68a; color: #92400e;
}
.tools-filter-chip button { background: none; border: none; cursor: pointer; color: #b45309; font-size: 14px; line-height: 1; padding: 0; }
.tools-filter-chip button:hover { color: var(--red); }
.tools-filter-clear { font-size: 12.5px; color: var(--blue); cursor: pointer; background: none; border: none; padding: 0; text-decoration: underline; margin-left: auto; }

/* Charts */
.tools-charts { margin-bottom: 20px; display: grid; gap: 16px; grid-template-columns: 1fr; }
.tools-chart-card { padding: 16px 18px 8px; margin-bottom: 0; }
.tools-chart-card .tools-card-head { margin-bottom: 8px; }
.chart-zoom { padding: 4px 10px; font-size: 12px; }
.time-charts-pair { display: grid; gap: 16px; grid-template-columns: 1fr; margin-top: 0; }
@media (min-width: 1100px) {
  /* 主维度饼+柱 2 列；时间图表对成对地横向 2 列 */
  .tools-charts { grid-template-columns: 1fr 1fr; }
  #time-charts-host { grid-column: 1 / -1; display: grid; gap: 16px; }
  .time-charts-pair { grid-template-columns: 1fr 1fr; }
}
#time-charts-host { display: grid; gap: 16px; }

.required-mark { color: var(--red); font-weight: 700; margin-left: 2px; }

/* Ramp filter row */
.ramp-filter-row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; padding: 8px 0; }
.ramp-filter-row label { font-size: 13px; color: #475569; display: inline-flex; gap: 6px; align-items: center; }
.ramp-filter-row select {
  padding: 6px 10px; font-size: 13px; border: 1px solid var(--border); border-radius: 8px;
  background: #fff; min-width: 140px; cursor: pointer; font-family: inherit;
}
.ramp-filter-row select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }

/* Chart enlarge modal */
.chart-modal-box { max-width: 1200px; width: 94vw; max-height: 92vh; padding: 30px 32px; }
@media (max-width: 640px) {
  .chart-modal-box { padding: 22px 18px; }
}

/* Table */
.tools-table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; }
.tools-table { width: 100%; border-collapse: collapse; font-size: 12.5px; min-width: 1200px; }
.tools-table thead { background: #f8fafc; position: sticky; top: 0; }
.tools-table th { text-align: left; padding: 10px 12px; font-weight: 600; color: var(--navy); border-bottom: 1px solid var(--border); white-space: nowrap; }
.tools-table td { padding: 8px 12px; border-bottom: 1px solid var(--border-2, #eef2f7); color: #334155; }
.tools-table tr:hover td { background: #f8fafc; }

.tools-pager {
  display: flex; justify-content: center; gap: 10px; align-items: center;
  margin-top: 14px; flex-wrap: wrap;
}
.tools-pager button {
  padding: 7px 14px; border: 1px solid var(--border); background: #fff;
  border-radius: 8px; font-size: 13px; cursor: pointer; transition: var(--ease);
}
.tools-pager button:hover:not(:disabled) { border-color: var(--blue); color: var(--blue); }
.tools-pager button:disabled { opacity: .4; cursor: not-allowed; }
.tools-pager span { font-size: 13px; color: var(--muted); }

/* Empty state */
.tools-empty-state { text-align: center; padding: 60px 20px; }
.tools-empty-icon { font-size: 48px; margin-bottom: 14px; }
.tools-empty-state h3 { font-size: 18px; margin-bottom: 8px; color: var(--navy); }
.tools-empty-state p { color: var(--muted); font-size: 14px; margin-bottom: 20px; }

/* Mobile */
@media (max-width: 640px) {
  .tools-card { padding: 18px 16px; }
  .tools-upload-row { flex-direction: column; }
  .tools-upload-row .btn { width: 100%; }
  .tools-query-form { flex-direction: column; }
  .tools-query-form .btn { width: 100%; }
  .tools-dataset-row { grid-template-columns: 1fr auto; gap: 6px 10px; }
  .tools-dataset-row .tools-dataset-rows { grid-column: 1; }
  .tools-dataset-row .tools-dataset-quality { grid-column: 2; grid-row: 1 / span 3; align-self: center; }
  .tools-dataset-row > button { grid-column: 1 / -1; }
  .tools-quality { grid-template-columns: repeat(2, 1fr); }
  .tools-table { min-width: 760px; }
}