/* Midijob-Rechner 2026 - Stylesheet. Statisch, keine Abhängigkeiten. */

:root {
  --blau: #1d4ed8;
  --blau-dunkel: #1e3a8a;
  --gruen: #047857;
  --gruen-hell: #ecfdf5;
  --tinte: #1f2937;
  --grau: #6b7280;
  --linie: #e5e7eb;
  --flaeche: #f5f7fb;
  --karte: #ffffff;
  --warn-bg: #fffbeb;
  --warn-rand: #f59e0b;
  --radius: 14px;
  --schatten: 0 1px 3px rgba(16, 24, 40, .07), 0 8px 24px rgba(16, 24, 40, .05);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--tinte);
  background: var(--flaeche);
  line-height: 1.6;
  font-size: 16px;
}

.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

/* Kopfbereich */
header.seite {
  background: linear-gradient(135deg, var(--blau-dunkel) 0%, var(--blau) 70%, #2563eb 100%);
  color: #fff;
  padding-bottom: 40px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img, .brand svg { width: 28px; height: 28px; }

nav.haupt { display: flex; gap: 20px; flex-wrap: wrap; }

nav.haupt a {
  color: rgba(255, 255, 255, .88);
  text-decoration: none;
  font-size: .95rem;
}

nav.haupt a:hover { color: #fff; text-decoration: underline; }

header.seite h1 {
  margin: 24px 0 10px;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  line-height: 1.2;
}

header.seite .untertitel {
  margin: 0;
  max-width: 700px;
  color: rgba(255, 255, 255, .9);
  font-size: 1.05rem;
}

.badge {
  display: inline-block;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: .82rem;
  margin-bottom: 14px;
}

/* Hauptbereich */
main { padding: 28px 0 10px; }

.karte {
  background: var(--karte);
  border-radius: var(--radius);
  box-shadow: var(--schatten);
  padding: 26px 26px 24px;
  margin-bottom: 26px;
}

.karte h2 { margin-top: 0; font-size: 1.35rem; }

.karte.rechner { margin-top: -50px; }

/* Formular */
.formular {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 8px;
}

.feld label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--tinte);
}

.feld input[type="number"], .feld select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 9px;
  font-size: 1rem;
  background: #fff;
  color: var(--tinte);
}

.feld input:focus, .feld select:focus {
  outline: 2px solid var(--blau);
  outline-offset: 1px;
  border-color: var(--blau);
}

.feld .hinweis-klein { font-size: .78rem; color: var(--grau); margin-top: 4px; }

.schalter {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  margin-top: 8px;
}

.schalter input { width: 17px; height: 17px; accent-color: var(--blau); }

/* Ergebnis */
.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.kpi {
  border: 1px solid var(--linie);
  border-radius: 12px;
  padding: 14px 16px;
  background: #fafbfd;
}

.kpi.gruen { background: var(--gruen-hell); border-color: #a7f3d0; }

.kpi .wert { font-size: 1.45rem; font-weight: 700; color: var(--blau-dunkel); }

.kpi.gruen .wert { color: var(--gruen); }

.kpi .titel { font-size: .8rem; color: var(--grau); }

.warnung {
  background: var(--warn-bg);
  border-left: 4px solid var(--warn-rand);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 16px 0;
  font-size: .95rem;
}

.info {
  background: #eff6ff;
  border-left: 4px solid var(--blau);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 16px 0;
  font-size: .95rem;
}

/* Tabellen */
.tabellen-scroll { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
  margin: 14px 0;
}

th, td {
  text-align: right;
  padding: 9px 12px;
  border-bottom: 1px solid var(--linie);
  white-space: nowrap;
}

th:first-child, td:first-child { text-align: left; }

thead th {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--grau);
  border-bottom: 2px solid var(--linie);
}

tr.summe td { font-weight: 700; border-top: 2px solid var(--tinte); border-bottom: none; }

td.gruen { color: var(--gruen); font-weight: 600; }

td.rot { color: #b91c1c; font-weight: 600; }

/* Fliesstext */
.prose p, .prose li { color: #374151; }

.prose h2 { margin-top: 28px; }

.prose h3 { margin-top: 22px; font-size: 1.08rem; }

.prose code, .formel {
  background: #f1f5f9;
  border-radius: 6px;
  padding: 2px 7px;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: .9em;
}

.formel-block {
  background: #f1f5f9;
  border-radius: 10px;
  padding: 14px 18px;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: .92rem;
  overflow-x: auto;
  margin: 14px 0;
}

/* FAQ */
details {
  border: 1px solid var(--linie);
  border-radius: 10px;
  padding: 0;
  margin: 10px 0;
  background: #fff;
}

details summary {
  cursor: pointer;
  font-weight: 600;
  padding: 13px 16px;
  list-style-position: inside;
}

details[open] summary { border-bottom: 1px solid var(--linie); }

details .antwort { padding: 4px 16px 12px; }

/* Fussbereich */
footer {
  border-top: 1px solid var(--linie);
  background: #fff;
  padding: 26px 0 34px;
  margin-top: 20px;
  font-size: .88rem;
  color: var(--grau);
}

footer a { color: var(--blau); }

footer .fusslinks { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 12px; }

@media (max-width: 640px) {
  .karte { padding: 20px 16px; }
  .karte.rechner { margin-top: -36px; }
  th, td { padding: 8px 8px; }
}