:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #e2e5ea;
  --text: #1c2430;
  --muted: #5b6573;
  --accent: #1f4e79;
  --accent-soft: #eaf1f8;

  --gesichert-fg: #1a7f4b;
  --gesichert-bg: #e6f4ec;
  --abgeleitet-fg: #9a6700;
  --abgeleitet-bg: #fbf2da;
  --offen-fg: #b42318;
  --offen-bg: #fce8e6;
  --warn-fg: #8a4b00;
  --warn-bg: #fdf0e1;
  --warn-border: #f0c89b;

  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

.demo-banner {
  background: #2b2f36;
  color: #f4d9a6;
  font-size: 0.86rem;
  text-align: center;
  padding: 8px 16px;
}

.site-header { background: var(--surface); border-bottom: 1px solid var(--border); padding: 22px 0 18px; }
.site-header h1 { margin: 0; font-size: 1.55rem; letter-spacing: -0.01em; }
.subtitle { margin: 4px 0 0; color: var(--muted); font-size: 0.96rem; }

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding-top: 14px;
  padding-bottom: 0;
}
.tab {
  appearance: none;
  border: 1px solid transparent;
  border-bottom: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.9rem;
  padding: 9px 14px;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
}
.tab:hover { color: var(--text); background: var(--accent-soft); }
.tab.is-active {
  background: var(--surface);
  color: var(--accent);
  font-weight: 600;
  border-color: var(--border);
}

.instance-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  padding-bottom: 2px;
}
.instance-bar.is-hidden { display: none; }
.instance-bar__label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.instance-switch { display: flex; gap: 6px; flex-wrap: wrap; }
.instance-chip {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface);
  font: inherit;
  font-size: 0.88rem;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--text);
}
.instance-chip.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }

main.wrap { padding-top: 22px; padding-bottom: 40px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  margin-bottom: 20px;
}
.card > h2 { margin: 0 0 4px; font-size: 1.15rem; }
.card__hint { margin: 0 0 16px; color: var(--muted); font-size: 0.9rem; }

.instance-head { display: flex; flex-direction: column; gap: 2px; margin-bottom: 6px; }
.instance-head .name { font-size: 1.05rem; font-weight: 600; }
.instance-head .meta { color: var(--muted); font-size: 0.88rem; }

.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.metric {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  background: #fbfcfd;
}
.metric .value { font-size: 1.5rem; font-weight: 650; line-height: 1.1; }
.metric .label { font-size: 0.82rem; color: var(--muted); margin-top: 2px; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
tr:last-child td { border-bottom: none; }
td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

.badge {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}
.badge--gesichert { color: var(--gesichert-fg); background: var(--gesichert-bg); }
.badge--abgeleitet { color: var(--abgeleitet-fg); background: var(--abgeleitet-bg); }
.badge--offen { color: var(--offen-fg); background: var(--offen-bg); }
.badge--prio-hoch { color: var(--offen-fg); background: var(--offen-bg); }
.badge--prio-mittel { color: var(--abgeleitet-fg); background: var(--abgeleitet-bg); }
.badge--prio-niedrig { color: var(--muted); background: #eef0f3; }
.badge--neutral { color: var(--muted); background: #eef0f3; }

.assumption-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--warn-fg);
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  padding: 1px 7px;
  border-radius: 6px;
  margin-left: 6px;
}

.warning {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 10px;
  font-size: 0.9rem;
}
.warning .mark { font-weight: 700; color: var(--warn-fg); }
.warning .key { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.8rem; color: var(--warn-fg); }

.compare-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 760px) { .compare-grid { grid-template-columns: 1fr 1fr; } }

.kband { display: flex; align-items: center; gap: 8px; font-variant-numeric: tabular-nums; }
.kband .likely { font-weight: 650; }
.kband .range { color: var(--muted); font-size: 0.82rem; }

.scenario { border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; margin-bottom: 12px; }
.scenario h3 { margin: 0 0 2px; font-size: 1rem; }
.scenario .desc { color: var(--muted); font-size: 0.9rem; margin: 0 0 10px; }
.scenario .sum { font-size: 1.2rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.scenario .sum .range { font-size: 0.85rem; color: var(--muted); font-weight: 400; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip-ref { font-size: 0.76rem; background: var(--accent-soft); color: var(--accent); padding: 2px 8px; border-radius: 6px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.empty { color: var(--muted); font-style: italic; padding: 8px 0; }
.error { background: var(--offen-bg); color: var(--offen-fg); border-radius: 8px; padding: 16px; }

.site-footer { border-top: 1px solid var(--border); padding: 22px 20px 50px; color: var(--muted); }
.site-footer h2 { font-size: 0.95rem; color: var(--text); margin: 0 0 8px; }
.site-footer ul { margin: 0; padding-left: 18px; font-size: 0.88rem; }
.site-footer li { margin-bottom: 4px; }