:root {
  --bs-primary: #546E7A;
  --bs-primary-rgb: 84, 110, 122;
  --tigers-soft: #DAE1E7;
  --tigers-bg: #F8F9F9;
  --bs-body-font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background: var(--tigers-bg);
  font-family: var(--bs-body-font-family);
}

.material-symbols-rounded {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  font-size: 20px;
  vertical-align: -4px;
  line-height: 1;
}
.material-symbols-rounded.fill {
  font-variation-settings: 'FILL' 1, 'wght' 500, 'GRAD' 0, 'opsz' 24;
}
.icon-lg { font-size: 32px !important; vertical-align: -8px; }
.icon-xl { font-size: 44px !important; vertical-align: -12px; }
.icon-sm { font-size: 16px !important; vertical-align: -2px; }

.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--tigers-soft) 0%, var(--tigers-bg) 60%);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  border-radius: 20px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

.auth-card .card-title {
  color: var(--bs-primary);
  font-weight: 700;
}

.btn-primary {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
}
.btn-primary:hover, .btn-primary:focus {
  background-color: #445a64;
  border-color: #445a64;
}
.btn-outline-primary {
  color: var(--bs-primary);
  border-color: var(--bs-primary);
}
.btn-outline-primary:hover {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
}

.text-primary { color: var(--bs-primary) !important; }
.bg-brand { background-color: var(--bs-primary) !important; }

.card-tigers {
  border: none;
  border-radius: 16px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.empty-state {
  text-align: center;
  color: #8A97A0;
  padding: 48px 16px;
}

/* ------------------------------------------------------------------ */
/* Responsives Layout: Mobil = eine Spalte (wie bisher), ab Tablet/    */
/* Desktop nutzt die App die verfügbare Bildschirmbreite sinnvoll aus. */
/* Reine CSS-Breakpoints statt Geräte-Erkennung – reagiert auch live   */
/* auf Fenstergrößenänderung, funktioniert unabhängig vom User-Agent.  */
/* ------------------------------------------------------------------ */

.page-container {
  max-width: 560px;   /* Mobil (< 768px): wie bisher, schmale Karten-Optik */
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 768px) {
  /* Tablet */
  .page-container { max-width: 720px; }
}

@media (min-width: 992px) {
  /* Laptop / Desktop */
  .page-container { max-width: 960px; }
}

@media (min-width: 1400px) {
  /* Große Monitore */
  .page-container { max-width: 1140px; }
}

/* Mehrspaltige Karten-Listen (Fahrten, Buchungen, Teilnehmer, ...).
   Mobil: eine Spalte, volle Breite (unverändert). Ab Tablet: automatisch
   so viele Spalten wie Platz ist (mind. 340px pro Karte). */
.responsive-cards {
  display: block;
}
.responsive-cards > * {
  margin-bottom: 12px;
}

@media (min-width: 768px) {
  .responsive-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 14px;
    align-items: start;
  }
  .responsive-cards > * {
    margin-bottom: 0;
  }
}