/* Subheader mit Filterleiste. Der Wochenkalender darunter hat ein eigenes
   File: calendar.css */
.subheader {
  background: #f5f5f5;
  padding: 14px var(--seiten-rand) 18px;
  border-top: 1px solid rgba(0, 20, 64, 0.12);
  border-bottom: 1px solid rgba(0, 20, 64, 0.08);
}

.filter-bar {
  display: grid;
  /* minmax(0, 1fr) statt 1fr: sonst erzwingt der Inhalt die Mindestbreite */
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
}

.filter-buttons {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-start;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 1px solid rgba(0, 20, 64, 0.18);
  background: #ffffff;
  color: var(--navy-blue);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background: #3b82f6;
  border-color: #3b82f6;
  color: #fff;
}

.title {
  justify-self: center;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #000;
}

.header-side {
  justify-self: end;
  min-width: 120px;
}


/* Filterleiste bricht um: Titel oben, Buttons zentriert darunter */
@media (max-width: 900px) {
  .filter-bar {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 12px;
  }

  .filter-buttons {
    justify-content: center;
  }

  .title {
    order: -1;
    text-align: center;
  }

  .header-side {
    display: none;
  }
}

@media (max-width: 640px) {
  .subheader {
    padding: 12px var(--seiten-rand) 14px;
  }

  .title {
    font-size: 1.3rem;
  }
}