:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --panel: #ffffff;
  --text: #101827;
  --muted: #64748b;
  --border: #d9e2ef;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --good: #15803d;
  --warn: #b45309;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.14), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.page-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 40px 0;
}

.hero,
.panel,
.controls,
.metric-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 24px;
  align-items: stretch;
  border-radius: 28px;
  padding: 32px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: -0.04em;
}

h1 {
  max-width: 820px;
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  line-height: 0.96;
}

h2 {
  font-size: clamp(1.3rem, 2vw, 1.8rem);
}

.hero-copy,
.note {
  max-width: 780px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.hero-links a {
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--primary-dark);
  font-weight: 800;
  padding: 8px 13px;
  text-decoration: none;
}

.hero-links a:hover {
  background: #eff6ff;
}

.status-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  min-height: 180px;
  border-radius: 22px;
  background: #0f172a;
  color: white;
  padding: 22px;
}

.status-card strong {
  font-size: 2rem;
}

.status-card span:last-child {
  color: #cbd5e1;
}

.status-pill {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  background: #dcfce7;
  color: var(--good);
  padding: 6px 12px;
  font-size: 0.82rem;
  font-weight: 800;
}

.status-pill.muted {
  background: #eff6ff;
  color: var(--primary-dark);
}

.status-pill.bad {
  background: #fee2e2;
  color: #b91c1c;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 22px 0;
  border-radius: 20px;
  padding: 16px;
}

.controls label {
  color: var(--muted);
  font-weight: 700;
}

.controls input,
.controls button {
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 0 14px;
  font: inherit;
}

.controls button {
  border: none;
  background: var(--primary);
  color: white;
  cursor: pointer;
  font-weight: 800;
}

.controls button:hover {
  background: var(--primary-dark);
}

.benchmark-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.benchmark-actions button {
  min-height: 42px;
  border: 0;
  border-radius: 12px;
  background: var(--primary);
  color: white;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 0 14px;
}

.benchmark-actions button.secondary {
  background: #0f172a;
}

.panel-copy {
  max-width: 680px;
  color: var(--muted);
  line-height: 1.55;
}

#loadMessage {
  color: var(--muted);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.metric-card {
  min-height: 128px;
  border-radius: 22px;
  padding: 18px;
}

.metric-card span {
  display: block;
  min-height: 38px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.metric-card strong {
  display: block;
  margin-top: 18px;
  font-size: clamp(1.35rem, 2vw, 2rem);
  letter-spacing: -0.04em;
}

.panel {
  margin-bottom: 22px;
  border-radius: 26px;
  padding: 24px;
}

.benchmark-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.benchmark-summary div {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px;
}

.benchmark-summary span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.benchmark-summary strong {
  display: block;
  margin-top: 8px;
  overflow-wrap: anywhere;
}

.table-wrapper {
  overflow-x: auto;
}

.benchmark-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 22px;
}

.benchmark-table th,
.benchmark-table td {
  border-bottom: 1px solid var(--border);
  padding: 12px 10px;
  text-align: left;
  vertical-align: top;
}

.benchmark-table th {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.raw-result {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #f8fafc;
  color: var(--muted);
  line-height: 1.6;
  padding: 16px;
}

.panel-header {
  display: flex;
  gap: 18px;
  align-items: start;
  justify-content: space-between;
  margin-bottom: 18px;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 22px;
}

.definition-list {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
}

.definition-list div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}

.definition-list dt {
  color: var(--muted);
  font-weight: 700;
}

.definition-list dd {
  margin: 0;
  text-align: right;
  font-weight: 800;
}

.layer-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.layer-item {
  display: grid;
  gap: 7px;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px;
}

.layer-item span {
  color: var(--muted);
  line-height: 1.5;
}

.layer-item code {
  overflow-wrap: anywhere;
  color: #334155;
  font-size: 0.84rem;
}

@media (max-width: 900px) {
  .hero,
  .split-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 560px) {
  .page-shell {
    width: min(100vw - 18px, 1180px);
    padding: 16px 0;
  }

  .hero,
  .panel {
    border-radius: 20px;
    padding: 18px;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .benchmark-summary {
    grid-template-columns: 1fr;
  }
}