:root {
  color-scheme: dark light;
  --bg: #0b0e14;
  --bg-alt: #11151d;
  --bg-card: #151a24;
  --bg-hover: #1c2230;
  --border: #232a3a;
  --fg: #e6e9ef;
  --fg-dim: #8a92a6;
  --accent: #ff7a3a;
  --accent-dim: #b8501f;
  --good: #5ce0a8;
  --bad: #ff6b6b;
  --warn: #f5c447;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  color: var(--fg);
  min-height: 100vh;
}

/* Kamado-inspired backdrop: a warm ember glow at the top (the Hinokami
 * Kagura / hearth flame) layered over a very low-opacity checker
 * pattern nodding to Tanjiro's haori. Fixed to the viewport so it
 * doesn't scroll away from the content. */
body {
  font-variant-numeric: tabular-nums;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 1400px 820px at 50% -120px, rgba(255, 100, 40, 0.22), transparent 62%),
    radial-gradient(circle 420px at 8% 14%, rgba(180, 40, 20, 0.10), transparent 70%),
    radial-gradient(circle 520px at 92% 22%, rgba(30, 90, 60, 0.07), transparent 70%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='96' height='96'><rect x='0' y='0' width='48' height='48' fill='%23284030' fill-opacity='0.08'/><rect x='48' y='48' width='48' height='48' fill='%23284030' fill-opacity='0.08'/></svg>");
  background-repeat: no-repeat, no-repeat, no-repeat, repeat;
  background-size: 100% auto, auto, auto, 96px 96px;
  background-position: 0 0, 0 0, 0 0, 0 0;
  background-attachment: fixed, fixed, fixed, fixed;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

button {
  font: inherit;
  color: inherit;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.5em 1em;
  border-radius: 6px;
  cursor: pointer;
}
button:hover {
  background: var(--bg-hover);
}

code,
.mono {
  font-family: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular,
    Menlo, monospace;
  font-size: 0.92em;
}

.card {
  background: rgba(21, 26, 36, 0.88);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
}

/* ── Mobile breakpoints ── */
@media (max-width: 480px) {
  :root {
    font-size: 13px;
  }
  .card {
    padding: 1rem 1rem;
  }
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .stat-value {
    font-size: 1.4rem;
  }
  th, td {
    padding: 0.4rem 0.5rem;
    font-size: 0.9em;
  }
}
@media (max-width: 360px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

.stat-label {
  color: var(--fg-dim);
  font-size: 0.82em;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4em;
}
.stat-value {
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.stat-sub {
  color: var(--fg-dim);
  font-size: 0.95em;
  margin-top: 0.4em;
  line-height: 1.4;
}

table {
  width: 100%;
  border-collapse: collapse;
}
th,
td {
  text-align: left;
  padding: 0.55rem 0.85rem;
  border-bottom: 1px solid var(--border);
}
th {
  font-weight: 500;
  color: var(--fg-dim);
  font-size: 0.82em;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
tbody tr:hover {
  background: var(--bg-hover);
}
td.num,
th.num {
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 0.15em 0.55em;
  border-radius: 999px;
  font-size: 0.75em;
  border: 1px solid var(--border);
  background: var(--bg-alt);
}
.badge.good {
  color: var(--good);
  border-color: #2f5c48;
  background: #0f2419;
}
.badge.bad {
  color: var(--bad);
  border-color: #5c2f2f;
  background: #241010;
}
.badge.warn {
  color: var(--warn);
  border-color: #5c502f;
  background: #241f10;
}