:root {
  --canvas: #f6f7f5;
  --surface: #ffffff;
  --surface-alt: #eef1ec;
  --ink: #101418;
  --muted: #66737c;
  --line: #d8ddd6;
  --accent: #c28a2c;
  --accent-strong: #9b6410;
  --good: #0f7a52;
  --bad: #a53734;
  --shadow: 0 16px 40px rgba(16, 20, 24, 0.06);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  min-height: 100vh;
}

button {
  font: inherit;
}

a {
  color: inherit;
}

.page-shell {
  max-width: 1600px;
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-logo {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
}

.brand h1,
.panel-header h2 {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.2;
  white-space: nowrap;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.status-chip,
button {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 10px 14px;
  white-space: nowrap;
}

.status-chip {
  font-size: 0.9rem;
}

button {
  cursor: pointer;
  color: var(--ink);
}

button.accent {
  border-color: var(--accent-strong);
  background: var(--accent);
  color: #1d1403;
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(320px, 0.95fr);
  gap: 18px;
}

.summary-strip,
.panel-wide {
  grid-column: 1 / -1;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.summary-card,
.panel,
.subject-item,
.list-item,
.detail-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.summary-card {
  padding: 16px;
}

.summary-card::before,
.panel::before,
.subject-item::before,
.list-item::before,
.detail-card::before {
  content: "";
  position: absolute;
  inset: 14px auto 14px 0;
  width: 4px;
  border-radius: 999px;
  background:
    linear-gradient(
      to bottom,
      var(--accent) 0,
      var(--accent) 16%,
      transparent 16%,
      transparent 24%,
      var(--accent) 24%,
      var(--accent) 44%,
      transparent 44%,
      transparent 52%,
      var(--accent) 52%,
      var(--accent) 100%
    );
}

.summary-card span,
.panel-meta,
.meta-row,
.mini {
  color: var(--muted);
  font-size: 0.88rem;
}

.summary-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.25rem;
}

.panel {
  padding: 18px 18px 16px 22px;
  overflow: hidden;
}

.panel summary {
  cursor: pointer;
  font-weight: 700;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

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

.data-table th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table tbody tr {
  cursor: pointer;
}

.data-table tbody tr.is-selected {
  background: rgba(194, 138, 44, 0.1);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.8rem;
  white-space: nowrap;
}

.badge.good {
  color: var(--good);
  border-color: rgba(15, 122, 82, 0.28);
}

.badge.bad {
  color: var(--bad);
  border-color: rgba(165, 55, 52, 0.28);
}

.badge.warn {
  color: var(--accent-strong);
  border-color: rgba(194, 138, 44, 0.38);
}

.label-stack,
.value-stack {
  display: grid;
  gap: 4px;
}

.detail-stack,
.list-stack,
.subject-grid {
  display: grid;
  gap: 12px;
}

.detail-card,
.subject-item,
.list-item {
  padding: 14px 14px 14px 18px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.detail-grid .detail-card {
  min-height: 100%;
}

.detail-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.subject-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.subject-item h3,
.detail-card h3,
.list-item h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.empty-state {
  color: var(--muted);
}

.signal-figure {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.link-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.link-row a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
}

.developer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.developer-grid pre {
  margin: 0;
  padding: 14px;
  border-radius: 14px;
  background: var(--surface-alt);
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

@media (max-width: 1120px) {
  .main-grid {
    grid-template-columns: 1fr;
  }

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

  .detail-grid,
  .developer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    padding: 16px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-actions {
    width: 100%;
    justify-content: flex-start;
  }

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

  .brand h1,
  .panel-header h2 {
    white-space: normal;
  }
}