:root {
  color-scheme: dark;
  --bg: #0f1117;
  --surface: #171a23;
  --surface-2: #1e2230;
  --border: #2a2f3e;
  --text: #e3e6ee;
  --muted: #8b92a5;
  --accent: #5b9dff;
  /* Severity: gegen --surface mit dem dataviz-Validator geprüft (CVD-Abstand ok) */
  --critical: #d0304f;
  --high: #ec7a26;
  --medium: #f0d65e;
  --low: #4a8ae0;
  --none: #6b7183;
  --half: #b26bff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

header, main { padding: 0 16px; max-width: 1400px; margin: 0 auto; }
header { padding-top: 24px; }
h1 { margin: 0 0 4px; font-size: 22px; font-weight: 600; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.back { margin: 0 0 8px; font-size: 13px; }

.muted { color: var(--muted); }
.error { color: var(--critical); }
.note { font-size: 13px; }
.half-text { margin: 4px 0 0; color: var(--half); }
code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.9em; }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
}

input, select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font: inherit;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
label { color: var(--muted); }

/* Legende */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}
.legend button {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  margin: 0 -8px;
  background: none;
  color: inherit;
  border: 1px solid transparent;
  border-radius: 6px;
  font: inherit;
  cursor: pointer;
}
.legend button:hover { background: var(--surface); }
.legend button:focus-visible { outline: none; border-color: var(--accent); }
.legend button[aria-pressed="false"] { color: var(--muted); text-decoration: line-through; }
.legend button[aria-pressed="false"] i { background: none; box-shadow: inset 0 0 0 1px var(--muted); }
.legend i { width: 12px; height: 12px; border-radius: 3px; }
.legend b { font-weight: 600; font-variant-numeric: tabular-nums; }

/* Diagramm */
.chart {
  margin: 0 0 24px;
  padding: 16px 16px 8px 64px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.plot { position: relative; height: 360px; }

.grid {
  position: absolute;
  left: 0;
  right: 0;
  border-top: 1px solid var(--border);
}
.grid span {
  position: absolute;
  right: 100%;
  margin-right: 8px;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.bars { position: absolute; inset: 0; display: flex; gap: 1px; }

/* Spalte über die volle Höhe = großes Hover-Ziel, Tooltip per title */
.col { flex: 1 1 0; min-width: 0; display: flex; align-items: flex-end; }
.col:hover { background: var(--surface-2); }
.col.partial .bar { opacity: .45; }  /* laufende Woche/Monat oder vom Zeitraum angeschnitten */
.col { position: relative; }

/* Halbierungslinie: rechts davon so viele CVEs wie links davon */
.half {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 1;
  width: 2px;
  margin-left: -1px;
  background: var(--half);
  pointer-events: none;
}
.half span {
  position: absolute;
  top: 0;
  left: 6px;
  padding: 0 4px;
  border-radius: 3px;
  background: var(--surface);
  color: var(--half);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.bar { width: 100%; display: flex; flex-direction: column-reverse; gap: 1px; }
.bar i { flex-basis: 0; min-height: 1px; }
.bar i:last-child { border-radius: 2px 2px 0 0; }

.critical { background: var(--critical); }
.high { background: var(--high); }
.medium { background: var(--medium); }
.low { background: var(--low); }
.none { background: var(--none); }

.xaxis {
  display: flex;
  gap: 1px;
  height: 20px;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}
.xaxis span { flex: 1 1 0; min-width: 0; white-space: nowrap; }

/* Tabelle */
summary { cursor: pointer; color: var(--muted); margin-bottom: 12px; }

.table-wrap {
  overflow-x: auto;
  max-height: 480px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 24px;
}

table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 6px 12px; text-align: right; }
th:first-child, td:first-child { text-align: left; }
th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
tbody tr { border-top: 1px solid var(--border); }
tbody tr:hover { background: var(--surface); }