:root {
  color-scheme: light;
  --bg: #f4f1eb;
  --bg-soft: #ece8df;
  --panel: #fffdf8;
  --panel-strong: #ffffff;
  --text: #1d1f1f;
  --muted: #68706c;
  --line: #ded8cc;
  --line-strong: #cbc3b7;
  --accent: #087f7a;
  --accent-strong: #055f5b;
  --accent-soft: #dff4ef;
  --warm: #b7791f;
  --heat-good: #0f9f7a;
  --heat-slow: #c15f2d;
  --ink: #151918;
  --shadow: 0 18px 50px rgba(47, 43, 35, 0.08);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121312;
  --bg-soft: #191b19;
  --panel: #1d211f;
  --panel-strong: #242a27;
  --text: #f4f1e9;
  --muted: #a8b1ac;
  --line: #343b37;
  --line-strong: #46504b;
  --accent: #45c7b8;
  --accent-strong: #8ee0d4;
  --accent-soft: #143c38;
  --warm: #d6a854;
  --heat-good: #36d19d;
  --heat-slow: #e28b5e;
  --ink: #090a0a;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent-soft) 42%, transparent), transparent 34rem),
    linear-gradient(180deg, var(--bg-soft) 0, var(--bg) 22rem);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 28px 40px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand-row {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 18px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 154px;
  height: 50px;
  padding: 11px 16px;
  background: linear-gradient(135deg, #111716, #22322f);
  border: 1px solid color-mix(in srgb, var(--accent) 42%, #ffffff);
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.brand-mark img {
  display: block;
  width: 122px;
  max-height: 30px;
}

.title-block {
  min-width: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 12px;
}

main {
  width: min(1220px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 64px;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 0;
  font-size: 32px;
  line-height: 1.12;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 16px;
  line-height: 1.25;
}

.eyebrow {
  margin-bottom: 7px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

nav a,
.theme-toggle {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 13px;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  text-decoration: none;
  background: color-mix(in srgb, var(--panel-strong) 82%, transparent);
  border: 1px solid var(--line);
  border-radius: 7px;
}

nav a.active,
nav a:hover,
.theme-toggle:hover {
  color: var(--accent-strong);
  border-color: color-mix(in srgb, var(--accent) 68%, var(--line));
  background: var(--accent-soft);
}

.theme-toggle {
  gap: 9px;
  cursor: pointer;
}

.theme-dot {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f6d365 0 48%, #27302d 50% 100%);
  border: 1px solid color-mix(in srgb, var(--line-strong) 80%, transparent);
}

section,
.report {
  margin-bottom: 24px;
  padding: 24px;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.headline-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.headline-list li {
  min-height: 96px;
  padding: 16px;
  background: linear-gradient(180deg, var(--panel-strong), color-mix(in srgb, var(--panel) 86%, var(--accent-soft)));
  border: 1px solid var(--line);
  border-radius: 7px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel-strong);
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--panel-strong);
}

th,
td {
  padding: 11px 13px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

th {
  position: sticky;
  top: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
  text-transform: uppercase;
  background: color-mix(in srgb, var(--panel-strong) 86%, var(--bg-soft));
}

td {
  font-size: 14px;
}

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

tr:hover td {
  background: color-mix(in srgb, var(--accent-soft) 42%, transparent);
}

.heatmap-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: -4px 0 18px;
  color: var(--muted);
  font-size: 13px;
}

.heatmap-legend span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  background: color-mix(in srgb, var(--panel-strong) 70%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.heatmap-wrap {
  margin-bottom: 20px;
}

.heatmap-table th:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  min-width: 220px;
}

.heatmap-table tbody th {
  color: var(--text);
  text-transform: none;
  background: color-mix(in srgb, var(--panel-strong) 92%, var(--bg-soft));
}

.heat-cell {
  min-width: 132px;
  font-variant-numeric: tabular-nums;
  font-weight: 720;
}

.heat-f1 {
  background: color-mix(in srgb, var(--heat-good) var(--heat), var(--panel-strong));
}

.heat-latency {
  background: color-mix(in srgb, var(--heat-slow) var(--heat), var(--panel-strong));
}

.heat-empty {
  color: var(--muted);
  background: color-mix(in srgb, var(--bg-soft) 72%, var(--panel));
}

.heatmap-table tr:hover td.heat-f1 {
  background: color-mix(in srgb, var(--heat-good) var(--heat), var(--accent-soft));
}

.heatmap-table tr:hover td.heat-latency {
  background: color-mix(in srgb, var(--heat-slow) var(--heat), var(--accent-soft));
}

a {
  color: var(--accent-strong);
}

code {
  padding: 2px 5px;
  color: var(--text);
  background: color-mix(in srgb, var(--bg-soft) 70%, var(--panel));
  border: 1px solid var(--line);
  border-radius: 5px;
  font-size: 0.92em;
}

.report {
  max-width: 100%;
}

.report h1 {
  margin-bottom: 20px;
}

.report ul {
  padding-left: 20px;
}

@media (max-width: 900px) {
  .site-header {
    align-items: stretch;
    flex-direction: column;
    padding: 22px 16px;
  }

  .header-actions {
    justify-content: stretch;
  }

  nav,
  .theme-toggle {
    width: 100%;
  }

  nav a {
    flex: 1 1 auto;
    justify-content: center;
  }

  .theme-toggle {
    justify-content: center;
  }
}

@media (max-width: 620px) {
  .brand-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand-mark {
    width: 148px;
  }

  h1 {
    font-size: 26px;
  }

  main {
    width: calc(100vw - 24px);
    padding-top: 18px;
  }

  section,
  .report {
    padding: 16px;
  }
}