:root {
  --sbb-blue: #2E73B8;
  --sbb-anthrazit: #2B2B2B;
  --sbb-lightgray: #F4F4F4;
}

/* --- Grundlayout --- */
body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--sbb-lightgray);
  color: #222;
}

/* --- Navbar --- */
.navbar {
  background-color: var(--sbb-blue) !important;
}
.navbar .nav-link.active {
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  font-weight: 600;
}

/* --- Sidebar --- */
.bg-sidebar {
  background-color: var(--sbb-anthrazit);
  min-height: 100vh;
}
.bg-sidebar .nav-link {
  color: #ddd;
  padding: .4rem .8rem;
  border-radius: 4px;
}
.bg-sidebar .nav-link:hover,
.bg-sidebar .nav-link.active {
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* --- Content --- */
.bg-content {
  background-color: #fff;
  border-radius: 8px;
  min-height: 90vh;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* --- Buttons / Inputs --- */
.btn-primary {
  background-color: var(--sbb-blue);
  border-color: var(--sbb-blue);
}
.btn-primary:hover {
  background-color: #1f5c99;
  border-color: #1f5c99;
}

input, select, textarea {
  border-radius: 4px !important;
  border: 1px solid #ccc;
  padding: .35rem .5rem;
}

label {
  font-weight: 500;
  margin-top: .3rem;
}

fieldset {
  margin-bottom: 1rem;
  border: 1px solid #dee2e6;
  border-radius: 5px;
  padding: .75rem 1rem;
}

legend {
  font-size: 1rem;
  font-weight: 600;
  color: var(--sbb-blue);
  width: auto;
  padding: 0 6px;
}

.alert {
  border-radius: 6px;
}