:root {
  --surface-1: #fcfcfb;
  --page-plane: #f9f9f7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --gridline: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.1);

  --seq-blue-250: #86b6ef;
  --seq-blue-450: #2a78d6;
  --seq-blue-600: #184f95;

  --status-good: #0ca30c;
  --status-warning: #fab219;
  --status-critical: #d03b3b;
  --status-good-bg: rgba(12, 163, 12, 0.12);
  --status-warning-bg: rgba(250, 178, 25, 0.16);
  --status-critical-bg: rgba(208, 59, 59, 0.12);

  --radius-md: 10px;
  --radius-sm: 6px;
}

:root[data-theme="dark"] {
  --surface-1: #1a1a19;
  --page-plane: #0d0d0d;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --gridline: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.1);

  --seq-blue-250: #5598e7;
  --seq-blue-450: #3987e5;
  --seq-blue-600: #104281;

  --status-good: #0ca30c;
  --status-warning: #fab219;
  --status-critical: #e66767;
  --status-good-bg: rgba(12, 163, 12, 0.2);
  --status-warning-bg: rgba(250, 178, 25, 0.18);
  --status-critical-bg: rgba(230, 103, 103, 0.18);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --surface-1: #1a1a19;
    --page-plane: #0d0d0d;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --gridline: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.1);

    --seq-blue-250: #5598e7;
    --seq-blue-450: #3987e5;
    --seq-blue-600: #104281;

    --status-critical: #e66767;
    --status-good-bg: rgba(12, 163, 12, 0.2);
    --status-warning-bg: rgba(250, 178, 25, 0.18);
    --status-critical-bg: rgba(230, 103, 103, 0.18);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--page-plane);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

body { min-height: 100vh; }

a { color: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--seq-blue-450), var(--status-good));
  flex-shrink: 0;
}

.brand h1 { font-size: 18px; margin: 0; letter-spacing: -0.01em; }

.subtitle { margin: 2px 0 0; font-size: 13px; color: var(--text-secondary); }

.topbar-actions { display: flex; align-items: center; gap: 12px; }

.updated-at { font-size: 12px; color: var(--text-muted); white-space: nowrap; }

.btn {
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
  cursor: pointer;
}

.btn:hover { border-color: var(--baseline); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-icon { padding: 8px 10px; }

.page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stat-tile {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-label { font-size: 12px; color: var(--text-secondary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.02em; }
.stat-value { font-size: 26px; font-weight: 700; letter-spacing: -0.01em; }

.stat-tile.status-good .stat-value { color: var(--status-good); }
.stat-tile.status-warning .stat-value { color: var(--status-warning); }
.stat-tile.status-critical .stat-value { color: var(--status-critical); }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.search-input, .category-select {
  font: inherit;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
}

.search-input { flex: 1 1 220px; min-width: 180px; }

.chip-group, .view-toggle { display: flex; gap: 6px; flex-wrap: wrap; }

.chip {
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-secondary);
  cursor: pointer;
}

.chip.is-active { background: var(--text-primary); color: var(--surface-1); border-color: var(--text-primary); }

.view-toggle { margin-left: auto; }

.empty-state { text-align: center; color: var(--text-muted); padding: 40px 0; }

.overview-panel {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-bottom: 18px;
}

.weather-panel {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-bottom: 18px;
}

.panel-sub { font-size: 12px; color: var(--text-secondary); margin: 0 0 12px; max-width: 640px; }

.weather-form { display: flex; flex-wrap: wrap; gap: 8px; }
.weather-form .search-input { flex: 1 1 220px; }

.weather-status { font-size: 12px; color: var(--text-muted); margin: 8px 0 0; min-height: 16px; }
.weather-status.is-error { color: var(--status-critical); }

.weather-result {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 12px;
  border-top: 1px solid var(--gridline);
}

.weather-location { font-size: 13px; font-weight: 700; flex: 1 1 160px; }

.weather-main { display: flex; align-items: baseline; gap: 10px; }
.weather-temp { font-size: 32px; font-weight: 700; letter-spacing: -0.01em; }
.weather-desc { font-size: 13px; color: var(--text-secondary); }

.weather-meta { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-muted); }

.heatmap-panel {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-bottom: 18px;
}

.heatmap-scroll { overflow-x: auto; }

.heatmap-axis {
  display: grid;
  grid-template-columns: 200px 1fr;
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 6px;
  min-width: 640px;
}

.heatmap-axis-ticks { display: flex; justify-content: space-between; }

.status-heatmap { display: flex; flex-direction: column; gap: 3px; min-width: 640px; }

.heatmap-category-header {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  padding-top: 10px;
}

.heatmap-category-header:first-child { padding-top: 0; }

.heatmap-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  align-items: center;
  gap: 10px;
}

.heatmap-row-label {
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 5px;
}

.heatmap-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; background: var(--text-muted); }
.heatmap-dot.status-up { background: var(--status-good); }
.heatmap-dot.status-degraded { background: var(--status-warning); }
.heatmap-dot.status-down { background: var(--status-critical); }

.heatmap-cells { display: flex; gap: 1px; height: 13px; }

.heatmap-cell {
  flex: 1 1 0;
  min-width: 3px;
  height: 100%;
  border-radius: 1px;
  background: var(--gridline);
}

.heatmap-cell.s-up { background: var(--status-good); }
.heatmap-cell.s-degraded { background: var(--status-warning); }
.heatmap-cell.s-down { background: var(--status-critical); }

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

.overview-head h2 { font-size: 13px; font-weight: 700; margin: 0; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.02em; }

.legend { display: flex; gap: 14px; }
.legend-item { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; color: var(--text-secondary); }
.legend-swatch { width: 8px; height: 8px; border-radius: 2px; background: currentColor; display: inline-block; }
.legend-swatch.status-good { color: var(--status-good); }
.legend-swatch.status-warning { color: var(--status-warning); }
.legend-swatch.status-critical { color: var(--status-critical); }

.category-overview { display: flex; flex-direction: column; gap: 10px; }

.category-row { display: grid; grid-template-columns: 160px 1fr 46px; align-items: center; gap: 12px; }

.category-row-label { font-size: 12px; font-weight: 600; display: flex; align-items: center; gap: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.category-bar {
  display: flex;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--gridline);
  gap: 2px;
}

.category-bar-seg {
  height: 100%;
  min-width: 3px;
}

.category-bar-seg.status-good { background: var(--status-good); }
.category-bar-seg.status-warning { background: var(--status-warning); }
.category-bar-seg.status-critical { background: var(--status-critical); }

.category-row-count { font-size: 11px; color: var(--text-muted); text-align: right; font-variant-numeric: tabular-nums; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.card-grid[hidden], .table-wrap[hidden], .empty-state[hidden] {
  display: none;
}

.api-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.api-card:hover {
  border-color: var(--baseline);
  box-shadow: 0 6px 20px rgba(11, 11, 11, 0.08);
  transform: translateY(-1px);
}

:root[data-theme="dark"] .api-card:hover { box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4); }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .api-card:hover { box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4); }
}

.api-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }

.api-name { font-size: 14px; font-weight: 700; margin: 0 0 2px; }

.api-category {
  font-size: 11px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 8px;
  display: inline-block;
}

.api-description {
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-secondary);
  margin: 0;
}

.key-facts { display: flex; flex-direction: column; gap: 5px; }

.key-fact {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 8px;
  font-size: 12px;
  align-items: baseline;
}

.key-fact-label { color: var(--text-muted); white-space: nowrap; }

.key-fact-value {
  color: var(--text-primary);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.key-facts-empty { font-size: 11px; color: var(--text-muted); margin: 0; }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

.status-pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

.status-pill.status-up { color: var(--status-good); background: var(--status-good-bg); }
.status-pill.status-degraded { color: var(--status-warning); background: var(--status-warning-bg); }
.status-pill.status-down { color: var(--status-critical); background: var(--status-critical-bg); }

.api-metrics { display: flex; gap: 16px; font-size: 12px; color: var(--text-secondary); }
.api-metrics b { display: block; font-size: 15px; color: var(--text-primary); font-weight: 700; }

.meter-track {
  height: 6px;
  border-radius: 999px;
  background: var(--gridline);
  overflow: hidden;
}

.meter-fill { height: 100%; background: var(--seq-blue-450); border-radius: 999px; }

.sparkline {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 28px;
}

.spark-bar {
  flex: 1 1 0;
  min-width: 2px;
  height: 100%;
  border-radius: 2px;
  background: var(--gridline);
  cursor: default;
}

.spark-bar.s-up { background: var(--status-good); }
.spark-bar.s-degraded { background: var(--status-warning); }
.spark-bar.s-down { background: var(--status-critical); }

.chart-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em; margin: 0; }

.latency-trend { width: 100%; height: 28px; display: block; }
.latency-trend .trend-area { fill: var(--seq-blue-450); opacity: 0.12; }
.latency-trend .trend-line { fill: none; stroke: var(--seq-blue-450); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.latency-trend-empty { font-size: 11px; color: var(--text-muted); height: 28px; display: flex; align-items: center; }

.data-panel { border-top: 1px solid var(--gridline); padding-top: 8px; }

.data-panel summary {
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}

.data-panel summary::-webkit-details-marker { display: none; }
.data-panel summary::before { content: "▸"; font-size: 10px; color: var(--text-muted); transition: transform 0.15s ease; }
.data-panel[open] summary::before { transform: rotate(90deg); }

.data-panel-body { margin-top: 8px; }

.data-panel-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }

.data-panel-meta { font-size: 10px; color: var(--text-muted); }

.copy-btn {
  font: inherit;
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--page-plane);
  color: var(--text-secondary);
  cursor: pointer;
}

.copy-btn:hover { border-color: var(--baseline); }

.data-pre {
  margin: 0;
  max-height: 220px;
  overflow: auto;
  background: var(--page-plane);
  border: 1px solid var(--gridline);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-secondary);
}

.data-pre .tok-key { color: var(--seq-blue-450); }
.data-pre .tok-string { color: var(--status-good); }
.data-pre .tok-number { color: var(--status-warning); }
.data-pre .tok-bool, .data-pre .tok-null { color: var(--text-muted); font-style: italic; }

.api-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
}

.api-card-foot a { text-decoration: none; font-weight: 600; color: var(--seq-blue-450); }

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

.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th, .data-table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--gridline); white-space: nowrap; }
.data-table th { color: var(--text-secondary); font-size: 11px; text-transform: uppercase; letter-spacing: 0.02em; padding: 0; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table td:first-child { font-weight: 600; }
.data-table tbody tr:hover { background: var(--page-plane); }

.sort-btn {
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 4px;
  width: 100%;
}

.sort-btn:hover { color: var(--text-primary); }
.sort-btn::after { content: ""; width: 8px; }
.sort-btn.sort-asc::after { content: "▲"; font-size: 8px; }
.sort-btn.sort-desc::after { content: "▼"; font-size: 8px; }

.page-footer {
  max-width: 1280px;
  margin: 24px auto 40px;
  padding: 0 24px;
  font-size: 12px;
  color: var(--text-muted);
}

.tooltip {
  position: fixed;
  z-index: 20;
  background: var(--text-primary);
  color: var(--surface-1);
  font-size: 11px;
  padding: 6px 9px;
  border-radius: var(--radius-sm);
  pointer-events: none;
  max-width: 220px;
  line-height: 1.4;
}

@media (max-width: 640px) {
  .topbar-inner { padding: 12px 16px; }
  .page { padding: 16px; }
  .view-toggle { margin-left: 0; }
}