/* Shared design tokens + components across index.html and the 5 category
   pages. Keeps every page visually consistent without a build step. */
@view-transition { navigation: auto; }
html, body { -webkit-tap-highlight-color: transparent; }
:root {
  --page-plane: #f4f6f8;
  --surface-1: #ffffff;
  --surface-2: #eef1f5;
  --text-primary: #0f172a;
  --text-secondary: #47536b;
  --text-muted: #8993a8;
  --gridline: #e2e6ec;
  --border: rgba(15,23,42,0.10);
  --accent: #1c5cab;
  --accent-strong: #0d366b;
  --accent-wash: #dce9f9;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --shadow: 0 1px 2px rgba(15,23,42,0.06), 0 8px 24px rgba(15,23,42,0.08);
}
:root[data-theme="dark"] {
  --page-plane: #0b1220;
  --surface-1: #121a2b;
  --surface-2: #182338;
  --text-primary: #f5f7fa;
  --text-secondary: #b9c2d4;
  --text-muted: #7b879c;
  --gridline: #223049;
  --border: rgba(255,255,255,0.10);
  --accent: #3987e5;
  --accent-strong: #86b6ef;
  --accent-wash: #1c2c47;
  --critical: #e2665f;
  --shadow: 0 1px 2px rgba(0,0,0,0.4), 0 12px 32px rgba(0,0,0,0.45);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page-plane: #0b1220;
    --surface-1: #121a2b;
    --surface-2: #182338;
    --text-primary: #f5f7fa;
    --text-secondary: #b9c2d4;
    --text-muted: #7b879c;
    --gridline: #223049;
    --border: rgba(255,255,255,0.10);
    --accent: #3987e5;
    --accent-strong: #86b6ef;
    --accent-wash: #1c2c47;
    --critical: #e2665f;
    --shadow: 0 1px 2px rgba(0,0,0,0.4), 0 12px 32px rgba(0,0,0,0.45);
  }
}

* { 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; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: max(20px, env(safe-area-inset-top)) clamp(16px, 4vw, 40px) 20px;
  border-bottom: 1px solid var(--border);
  gap: 16px;
}
.back-link {
  display: flex; align-items: center; gap: 6px;
  color: var(--text-secondary); text-decoration: none; font-size: 13.5px; font-weight: 600;
  padding: 8px 10px; margin-left: -10px; border-radius: 8px; flex-shrink: 0;
}
.back-link:hover, .back-link:active { color: var(--text-primary); background: var(--surface-2); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  flex-shrink: 0;
}
.brand-text .title { font-size: 15px; font-weight: 600; letter-spacing: 0.2px; }
.brand-text .subtitle { font-size: 12px; color: var(--text-muted); }
.theme-toggle {
  border: 1px solid var(--border); background: var(--surface-1); color: var(--text-secondary);
  border-radius: 8px; padding: 8px 12px; font-size: 13px; cursor: pointer;
}
.theme-toggle:hover, .theme-toggle:active { color: var(--text-primary); }

/* ── Home grid (blue-outline cards) ── */
.home-wrap { padding: clamp(20px, 5vw, 56px); max-width: 1320px; margin: 0 auto; }
.home-header { margin-bottom: clamp(20px, 4vh, 32px); }
.home-header h1 { font-size: clamp(24px, 3.4vw, 34px); margin: 0 0 6px; font-weight: 650; letter-spacing: -0.3px; }
.home-header p { margin: 0; color: var(--text-secondary); font-size: clamp(14px, 1.6vw, 16px); }

.home-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 24px); }
@media (max-width: 980px) { .home-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .home-grid { grid-template-columns: 1fr; } }

.home-card {
  background: var(--surface-1);
  border: 2px solid var(--accent);
  border-radius: 20px;
  padding: clamp(18px, 2.4vw, 24px);
  text-decoration: none;
  color: inherit;
  display: flex; flex-direction: column;
  min-height: clamp(150px, 18vw, 190px);
  transition: transform 160ms ease, box-shadow 160ms ease;
  position: relative;
}
.home-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.home-card:active { transform: scale(0.985); }
.home-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.home-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.home-card h2 { font-size: clamp(17px, 1.9vw, 20px); margin: 0; font-weight: 700; color: var(--accent); letter-spacing: -0.2px; }
.home-card .status-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; margin-top: 5px; }
.home-card .desc { font-size: 13px; color: var(--text-muted); line-height: 1.5; margin: 8px 0 0; }
.home-card .home-hero { font-size: 30px; font-weight: 650; margin: 14px 0 2px; letter-spacing: -0.3px; }
.home-card .home-delta { font-size: 12.5px; font-weight: 600; display: flex; align-items: center; gap: 4px; margin-bottom: auto; }
.home-card .home-delta.good { color: var(--good); }
.home-card .home-delta.bad { color: var(--critical); }
.home-card .home-delta.flat { color: var(--text-muted); }
.home-card.placeholder { align-items: center; justify-content: center; text-align: center; }
.home-card.placeholder .desc { max-width: 30ch; }

/* ── Category page content ── */
.page-wrap { padding: clamp(16px, 4vw, 40px); max-width: 1100px; margin: 0 auto; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 6px; }
.page-head h1 { font-size: 24px; margin: 0; font-weight: 650; }
.status-pill {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 100px; margin-top: 8px;
}
.chip-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }

.hero-row { display: flex; align-items: baseline; gap: 14px; margin: 18px 0 24px; flex-wrap: wrap; }
.hero-figure { font-size: 48px; font-weight: 650; letter-spacing: -0.5px; }
.hero-label { font-size: 13px; color: var(--text-secondary); }
.hero-delta { font-size: 13px; font-weight: 600; }
.hero-delta.good { color: var(--good); }
.hero-delta.bad { color: var(--critical); }
.hero-delta.flat { color: var(--text-muted); }

.tiles-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 12px; margin-bottom: 28px; }
.tile { background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.tile .t-label { font-size: 11.5px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }
.tile .t-value { font-size: 21px; font-weight: 650; margin-top: 4px; }
.tile .t-sub { font-size: 11px; color: var(--text-muted); margin-top: 3px; }

.section-title { font-size: 13px; font-weight: 650; color: var(--text-secondary); margin: 26px 0 10px; text-transform: uppercase; letter-spacing: 0.3px; }
.chart-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px; padding: 18px; margin-bottom: 16px; }
.note { font-size: 12.5px; color: var(--text-muted); background: var(--surface-2); border-radius: 10px; padding: 10px 14px; margin: 8px 0 20px; line-height: 1.5; }

table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data-table th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.3px; color: var(--text-muted); padding: 6px 10px; border-bottom: 1px solid var(--gridline); }
table.data-table td { padding: 9px 10px; border-bottom: 1px solid var(--gridline); font-variant-numeric: tabular-nums; }
table.data-table tr:last-child td { border-bottom: none; }

.severity-bar { display: flex; gap: 2px; border-radius: 8px; overflow: hidden; height: 42px; }
.severity-seg { display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; font-size: 11.5px; font-weight: 650; min-width: 40px; }
.severity-labels { display: flex; gap: 2px; margin-top: 8px; }
.severity-labels > div { flex: 1; text-align: center; font-size: 11px; color: var(--text-muted); }

.footnote { font-size: 12px; color: var(--text-muted); margin-top: 24px; border-top: 1px solid var(--gridline); padding-top: 14px; }

#tooltip {
  position: fixed; pointer-events: none; z-index: 100;
  background: var(--text-primary); color: var(--page-plane);
  font-size: 12px; padding: 6px 9px; border-radius: 6px; opacity: 0; transition: opacity 120ms ease;
  transform: translate(-50%, -110%);
  white-space: nowrap;
}
:root[data-theme="dark"] #tooltip { background: #f5f7fa; color: #0b1220; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) #tooltip { background: #f5f7fa; color: #0b1220; } }
#tooltip .tt-val { font-weight: 700; }

svg text { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }

.load-error { grid-column: 1/-1; padding: 40px; text-align: center; color: var(--text-muted); }