:root {
  --color-bg: #ffffff;
  --color-text: #1c1c1e;
  --color-muted: #5f6368;
  --color-border: #e2e5e9;
  --color-primary: #0f766e;
  --color-primary-dark: #0b5c56;
  --color-accent-bg: #f0fdfa;
  --color-warning-bg: #fff8e1;
  --radius: 10px;
  --max-width: 720px;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #121212;
    --color-text: #f1f1f1;
    --color-muted: #a1a1aa;
    --color-border: #2c2c2e;
    --color-primary: #2dd4bf;
    --color-primary-dark: #14b8a6;
    --color-accent-bg: #0f2b28;
    --color-warning-bg: #2a2313;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

h1, h2, h3 {
  line-height: 1.25;
}

h1 {
  font-size: 1.6rem;
  margin: 0.4rem 0 0.75rem;
}

h2 {
  font-size: 1.25rem;
  margin-top: 2rem;
}

h3 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

a {
  color: var(--color-primary-dark);
}

.site-header {
  padding: 1.5rem 0 1rem;
  border-bottom: 1px solid var(--color-border);
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0;
}

.tagline {
  margin: 0.2rem 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

main {
  padding-bottom: 3rem;
}

.rechner-section {
  padding-top: 1.5rem;
}

.lead {
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.rechner-form {
  background: var(--color-accent-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.feld {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

label {
  font-weight: 600;
  font-size: 0.95rem;
}

input[type="number"] {
  font-size: 1rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
  width: 100%;
}

input[type="number"]:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.feld__hinweis {
  margin: 0;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.btn-primary {
  appearance: none;
  border: none;
  background: var(--color-primary);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.8rem 1.25rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.ergebnis {
  margin-top: 1.25rem;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
}

.ergebnis__zahl {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin: 0.25rem 0;
}

.ergebnis__hinweis {
  background: var(--color-warning-bg);
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
  font-size: 0.9rem;
}

.ergebnis__abzug {
  border-top: 1px solid var(--color-border);
  padding-top: 0.75rem;
  margin-top: 0.75rem;
}

.ad-slot {
  margin: 1.75rem auto;
  max-width: var(--max-width);
  padding: 0.75rem 1.25rem;
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.8rem;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-slot__label {
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.vergleich-section {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.eligibility-check {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  margin: 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.eligibility-check h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
}

.eligibility-frage {
  border: none;
  padding: 0;
  margin: 0;
}

.eligibility-frage legend {
  padding: 0;
  font-size: 0.92rem;
  margin-bottom: 0.4rem;
}

.ja-nein {
  display: flex;
  gap: 1.25rem;
}

.ja-nein label {
  font-weight: 400;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
}

.vergleich-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1rem 0;
}

.vergleich-spalte {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem;
}

.vergleich-spalte__titel {
  margin: 0 0 0.25rem;
  font-weight: 600;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.vergleich-spalte--besser {
  border-color: var(--color-primary);
  background: var(--color-accent-bg);
}

.vergleich-disclaimer {
  font-size: 0.8rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 0.75rem;
  margin-top: 1rem;
}

@media (min-width: 640px) {
  .vergleich-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.affiliate-box {
  margin-top: 2rem;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-accent-bg);
}

.affiliate-liste {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.affiliate-liste a {
  font-weight: 600;
  text-decoration: none;
}

.affiliate-liste a:hover {
  text-decoration: underline;
}

.tag-werbung {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.05rem 0.35rem;
  margin-left: 0.3rem;
  text-transform: uppercase;
}

.affiliate-disclaimer {
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

.seo-text {
  margin-top: 1.5rem;
}

.seo-text .quellen {
  font-size: 0.78rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 0.75rem;
  margin-top: 1.5rem;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0 2.5rem;
  color: var(--color-muted);
  font-size: 0.85rem;
}

.footer-nav {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.footer-nav a {
  color: var(--color-muted);
}

@media (min-width: 640px) {
  h1 {
    font-size: 1.9rem;
  }

  .ergebnis__zahl {
    font-size: 2.5rem;
  }
}

/* ---- Moduswahl: Tage manuell vs. automatisch ---- */
.modus-umschalter {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
}

.modus-btn {
  flex: 1;
  appearance: none;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  border-radius: 8px;
  padding: 0.6rem 0.5rem;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}

.modus-btn.is-aktiv {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.modus-inhalt[hidden] {
  display: none;
}

/* ---- Wochentag-/Auswahl-Chips (Automatik-Modus, Pendlerrechner) ---- */
.wochentag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.3rem;
}

.chip {
  appearance: none;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.chip.is-aktiv {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.feld__unterlabel {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin: 0.75rem 0 0.3rem;
}

.link-btn {
  appearance: none;
  border: none;
  background: none;
  color: var(--color-primary-dark);
  text-decoration: underline;
  font-size: 0.85rem;
  padding: 0.3rem 0;
  cursor: pointer;
  text-align: left;
}

.pendler-section {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}
/**
 * Geteiltes Styling fuer das Kalender-Widget (js/kalender-widget.js).
 * Wird von Website und App gleichermassen eingebunden.
 */
.kalender-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.kalender-monatslabel {
  font-weight: 700;
}

.kalender-nav {
  appearance: none;
  border: 1px solid var(--color-border, #e2e5e9);
  background: transparent;
  border-radius: 8px;
  width: 2.2rem;
  height: 2.2rem;
  font-size: 1.1rem;
  cursor: pointer;
  color: inherit;
}

.kalender-wochentage {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-muted, #666);
  margin-bottom: 0.25rem;
}

.kalender-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 0.75rem;
}

.kalender-tag {
  appearance: none;
  border: none;
  background: transparent;
  aspect-ratio: 1;
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  color: inherit;
}

.kalender-tag--leer {
  cursor: default;
  pointer-events: none;
}

.kalender-tag--range {
  background: var(--color-accent-bg, #e6f4f2);
}

.kalender-tag--start,
.kalender-tag--end {
  background: var(--color-primary, #0f766e);
  color: #fff;
  font-weight: 700;
}

.kalender-tag--gebucht:not(.kalender-tag--range) {
  background: var(--color-warning-bg, #fff8e1);
  text-decoration: underline;
}

.kalender-hinzufuegen-btn {
  width: 100%;
  margin-bottom: 0.75rem;
}

.kalender-hinzufuegen-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.kalender-bereiche-liste {
  list-style: none;
  padding: 0;
  margin: 0 0 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.kalender-bereiche-liste li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-accent-bg, #e6f4f2);
  border-radius: 8px;
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
}

.kalender-entfernen {
  appearance: none;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--color-muted, #666);
  padding: 0.1rem 0.4rem;
}

.kalender-keine-bereiche {
  font-size: 0.82rem;
  color: var(--color-muted, #666);
  margin: 0 0 0.5rem;
}

.kalender-summe {
  font-size: 0.85rem;
  margin: 0;
  text-align: right;
}

/* Ueberlagerndes Modal, in dem der Kalender bei Bedarf angezeigt wird —
   bewusst NICHT die Hauptoberflaeche, sondern ein Hilfsmittel im Hintergrund. */
.kalender-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 1000;
}

.kalender-overlay[hidden] {
  display: none;
}

.kalender-modal {
  background: var(--color-bg, #fff);
  color: inherit;
  border-radius: 16px 16px 0 0;
  padding: 1.1rem 1.1rem 1.4rem;
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
}

.kalender-modal-kopf {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.kalender-modal-titel {
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0;
}

.kalender-modal-schliessen {
  appearance: none;
  border: none;
  background: transparent;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  color: inherit;
}

@media (min-width: 640px) {
  .kalender-overlay {
    align-items: center;
  }
  .kalender-modal {
    border-radius: 16px;
  }
}