/* ─────────────────────────────────────────────────────────────────────────
   SPK vs. Industriestrompreis – En-Concept® Branding
   Primärblau #00588D · Grün #0AA24B · Grau #4E4E4D · Open Sans
   ───────────────────────────────────────────────────────────────────────── */

:root {
  --blue: #00588d;
  --blue-dark: #003f66;
  --blue-soft: #e8f1f7;
  --green: #0aa24b;
  --green-dark: #07773a;
  --green-soft: #e7f6ee;
  --ink: #21313f;
  --ink-soft: #4e4e4d;
  --muted: #6b7a89;
  --bg: #f4f7fa;
  --card: #ffffff;
  --border: #dde5ec;
  --amber: #b45309;
  --amber-soft: #fdf3e3;
  --red: #b3261e;
  --red-soft: #fbeae9;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 42, 67, 0.06), 0 4px 16px rgba(16, 42, 67, 0.07);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Open Sans', 'Segoe UI', Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ── Kopf & Fuß ─────────────────────────────────────────────────────────── */

.site-header {
  background: var(--card);
  border-bottom: 3px solid var(--blue);
}

.site-header .inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.site-header img.logo { height: 52px; width: auto; display: block; }

.site-header .titles { flex: 1 1 300px; }

.site-header h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--blue);
  line-height: 1.3;
}

.site-header .subtitle {
  margin: 2px 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.site-footer {
  margin-top: 48px;
  background: var(--blue);
  color: #ffffff;
}

.site-footer .inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.88rem;
}

.site-footer a { color: #cfe6f5; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }

main {
  max-width: 1080px;
  margin: 28px auto 0;
  padding: 0 24px;
}

/* ── Karten & Abschnitte ────────────────────────────────────────────────── */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 24px;
}

.card h2 {
  margin: 0 0 4px;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--blue);
}

.card .card-hint { margin: 0 0 18px; color: var(--muted); font-size: 0.9rem; }

/* ── Formular ───────────────────────────────────────────────────────────── */

.form-grid {
  display: grid;
  grid-template-columns: 2fr 1.4fr 0.8fr;
  gap: 16px;
}

@media (max-width: 760px) {
  .form-grid { grid-template-columns: 1fr; }
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 5px;
}

input[type='text'],
input[type='number'],
input[type='password'],
select,
textarea {
  width: 100%;
  padding: 9px 12px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 7px;
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(0, 88, 141, 0.35);
  outline-offset: 1px;
  border-color: var(--blue);
}

/* WZ-Zeilen */

.wz-table { width: 100%; border-collapse: collapse; margin-top: 6px; }

.wz-table th {
  text-align: left;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 8px 10px 6px;
  border-bottom: 2px solid var(--border);
}

.wz-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.wz-cell { position: relative; min-width: 260px; }

.wz-suggest {
  position: absolute;
  z-index: 30;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 280px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-top: 4px;
}

.wz-suggest button {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: none;
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.wz-suggest button:hover, .wz-suggest button.active { background: var(--blue-soft); }

.wz-suggest .code { font-weight: 700; color: var(--blue); margin-right: 6px; }
.wz-suggest .tags { float: right; }

.row-remove {
  border: 0;
  background: none;
  color: var(--muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 6px;
  line-height: 1;
}
.row-remove:hover { background: var(--red-soft); color: var(--red); }

/* ── Badges ─────────────────────────────────────────────────────────────── */

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
  margin: 1px 3px 1px 0;
}

.badge.spk { color: var(--blue); background: var(--blue-soft); border-color: rgba(0, 88, 141, 0.25); }
.badge.isp { color: var(--green-dark); background: var(--green-soft); border-color: rgba(10, 162, 75, 0.3); }
.badge.teilweise { color: var(--amber); background: var(--amber-soft); border-color: rgba(180, 83, 9, 0.3); }
.badge.nicht { color: var(--muted); background: #eef1f4; border-color: var(--border); }

/* ── Buttons ────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: inherit;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn.primary { background: var(--blue); color: #fff; }
.btn.primary:hover { background: var(--blue-dark); }
.btn.green { background: var(--green); color: #fff; }
.btn.green:hover { background: var(--green-dark); }
.btn.ghost { background: #fff; color: var(--blue); border-color: var(--blue); }
.btn.ghost:hover { background: var(--blue-soft); }
.btn.subtle { background: #eef1f4; color: var(--ink-soft); }
.btn.subtle:hover { background: var(--border); }
.btn.danger { background: #fff; color: var(--red); border-color: var(--red); }
.btn.danger:hover { background: var(--red-soft); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; align-items: center; }

/* ── Ergebnis ───────────────────────────────────────────────────────────── */

.result-banner {
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 1.02rem;
  margin-bottom: 20px;
  border: 1px solid;
}

.result-banner strong { font-weight: 700; }
.result-banner.spk { background: var(--blue-soft); border-color: rgba(0, 88, 141, 0.3); color: var(--blue-dark); }
.result-banner.isp { background: var(--green-soft); border-color: rgba(10, 162, 75, 0.35); color: var(--green-dark); }
.result-banner.neutral { background: #eef1f4; border-color: var(--border); color: var(--ink-soft); }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.kpi {
  border: 1px solid var(--border);
  border-left: 4px solid var(--muted);
  border-radius: 8px;
  padding: 12px 14px;
  background: #fff;
}

.kpi.spk { border-left-color: var(--blue); }
.kpi.isp { border-left-color: var(--green); }

.kpi .kpi-label { font-size: 0.8rem; font-weight: 600; color: var(--muted); }
.kpi .kpi-value { font-size: 1.45rem; font-weight: 700; color: var(--ink); margin: 2px 0; }
.kpi .kpi-sub { font-size: 0.8rem; color: var(--muted); }

.chart-wrap { overflow-x: auto; }
#chart svg { display: block; margin: 0 auto; max-width: 100%; height: auto; }

.chart-legend {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.chart-legend .swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  vertical-align: -2px;
  margin-right: 6px;
}

/* Ergebnis-Tabelle */

.result-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }

.result-table th {
  text-align: left;
  padding: 8px 10px;
  background: var(--blue);
  color: #fff;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}

.result-table th.num, .result-table td.num { text-align: right; }
.result-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); }
.result-table tr:nth-child(even) td { background: #f8fafc; }
.result-table tfoot td { font-weight: 700; border-top: 2px solid var(--blue); background: var(--blue-soft); }

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

.hint-box {
  background: var(--amber-soft);
  border: 1px solid rgba(180, 83, 9, 0.25);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.87rem;
  color: #6b4a12;
  margin-top: 18px;
}

.disclaimer { font-size: 0.8rem; color: var(--muted); margin-top: 14px; }

.error-box {
  background: var(--red-soft);
  border: 1px solid rgba(179, 38, 30, 0.3);
  color: var(--red);
  border-radius: 8px;
  padding: 10px 14px;
  margin-top: 14px;
  font-size: 0.9rem;
}

.hidden { display: none !important; }

/* Tooltip für Chart */
.chart-tooltip {
  position: fixed;
  z-index: 50;
  pointer-events: none;
  background: var(--ink);
  color: #fff;
  font-size: 0.8rem;
  padding: 6px 10px;
  border-radius: 6px;
  box-shadow: var(--shadow);
  max-width: 260px;
}

/* ── Admin ──────────────────────────────────────────────────────────────── */

.login-card { max-width: 420px; margin: 60px auto; }

.admin-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.tabs { display: flex; gap: 6px; flex-wrap: wrap; }

.tab {
  font: inherit;
  font-weight: 600;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 7px 16px;
  cursor: pointer;
}

.tab.active { background: var(--blue); border-color: var(--blue); color: #fff; }

.param-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.param-table th { text-align: left; padding: 6px 8px; color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; border-bottom: 2px solid var(--border); }
.param-table td { padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.param-table input[type='number'] {
  width: 100%;
  min-width: 92px;
  max-width: 160px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  text-align: right;
}
.param-table input[type='text'] { min-width: 120px; }
.param-table .desc { color: var(--muted); font-size: 0.82rem; }

.factor-headline {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding: 14px;
  background: var(--blue-soft);
  border-radius: 8px;
  margin-bottom: 14px;
}

.factor-headline .field { min-width: 220px; }


.save-bar {
  position: sticky;
  bottom: 0;
  background: rgba(244, 247, 250, 0.95);
  backdrop-filter: blur(4px);
  padding: 14px 0;
  display: flex;
  gap: 12px;
  align-items: center;
  border-top: 1px solid var(--border);
}

.save-state { font-size: 0.85rem; color: var(--muted); }
.save-state.ok { color: var(--green-dark); font-weight: 600; }
.save-state.err { color: var(--red); font-weight: 600; }

/* ── Reinvestitions-Details ─────────────────────────────────────────────── */

.kpi.kombi { border-left-color: var(--ink); }

.reinvest-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.reinvest-card {
  border: 1px solid var(--border);
  border-top: 3px solid var(--muted);
  border-radius: 8px;
  padding: 16px 18px;
  background: #fff;
}

.reinvest-card.spk { border-top-color: var(--blue); }
.reinvest-card.isp { border-top-color: var(--green); }

.reinvest-card h3 {
  margin: 0 0 10px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
}

.reinvest-amount {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.reinvest-amount span {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
}

.reinvest-card dl { margin: 0; font-size: 0.85rem; }

.reinvest-card dt {
  font-weight: 700;
  color: var(--blue);
  margin-top: 10px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.reinvest-card.isp dt { color: var(--green-dark); }

.reinvest-card dd { margin: 2px 0 0; color: var(--ink-soft); }

.reinvest-card dd ul { margin: 2px 0 0; padding-left: 18px; }
.reinvest-card dd li { margin-bottom: 3px; }

/* SPK-Anteil-Feld */
.anteil-input:disabled {
  background: #f2f5f7;
  color: var(--muted);
  cursor: not-allowed;
}

.reinvest-editor {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 16px;
  background: #fbfdfe;
}

.reinvest-editor h4 {
  margin: 0 0 10px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue);
}

.reinvest-editor > div { margin-bottom: 10px; }
.reinvest-editor textarea { font-size: 0.85rem; }

/* Aktive Formel + Naeherungs-Kennzeichnung im Admin */

.factor-headline .formel-anzeige { flex: 1 1 340px; }

.formel-text {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--blue);
  font-family: 'Cambria', 'Georgia', serif;
  letter-spacing: 0.01em;
}

.formel-ansatz {
  font-size: 0.86rem;
  color: var(--ink-soft);
  margin-top: 4px;
}

.formel-ansatz strong { color: var(--ink); font-size: 0.95rem; }

.naeherung-flag {
  display: inline-block;
  background: var(--amber-soft);
  color: var(--amber);
  border: 1px dashed var(--amber);
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 5px;
  padding: 1px 7px;
  margin-left: 6px;
  vertical-align: 1px;
}

.param-table input[type='checkbox'] { width: auto; }

/* Rechenansatz auf der Ergebnisseite */
.ansatz-zeile {
  font-size: 0.85rem;
  color: var(--muted);
  margin: -8px 0 18px;
}

.ansatz-zeile code {
  background: #eef4f8;
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--blue-dark);
}

/* Umschalter im Admin (z. B. Beihilfeintensität nach Tabelle) */

.schalter-zeile {
  border: 1px solid var(--border);
  border-left: 3px solid var(--blue);
  border-radius: 8px;
  background: #fbfdfe;
  padding: 12px 14px;
  margin-bottom: 16px;
}

.schalter-zeile > label {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
  cursor: pointer;
}

.schalter-zeile input[type='checkbox'] {
  width: auto;
  margin-top: 3px;
  flex: 0 0 auto;
}

.schalter-zeile .desc {
  margin: 6px 0 0 27px;
  font-size: 0.82rem;
  color: var(--muted);
}

.param-table select { min-width: 88px; }

/* ── Flexibilitätsbonus (ISP) ───────────────────────────────────────────── */

:root {
  --bonus: #6ecb95;
  --bonus-dark: #3f9c68;
  --bonus-soft: #eaf7f0;
}

.kpi-bonus {
  margin-top: 8px;
  padding-top: 7px;
  border-top: 1px dashed var(--bonus-dark);
  font-size: 0.8rem;
  color: var(--bonus-dark);
}

.kpi-bonus strong { color: var(--ink); }
.kpi-bonus small { color: var(--muted); }

.bonus-block {
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px dashed var(--bonus-dark);
  border-radius: 8px;
  background: var(--bonus-soft);
}

.bonus-block h4 {
  margin: 0 0 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--bonus-dark);
}

.bonus-betrag {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.bonus-betrag span {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
}

.bonus-block ul {
  margin: 0;
  padding-left: 18px;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.bonus-block li { margin-bottom: 4px; }

.bonus-hinweis {
  margin: 8px 0 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.fristen-table td:first-child { font-weight: 600; color: var(--ink); }
.fristen-table + .disclaimer { margin-top: 8px; }

/* Druck */
@media print {
  .site-header, .site-footer, .no-print, form, .actions { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; border: none; }
}