/* ===== Allgemein ===== */
body {
  min-height: 100vh;
  padding-bottom: 3rem;
}

/* ===== Navbar ===== */
.navbar {
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}

.navbar-title {
  font-family: 'Nunito', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

/* ===== Icon-Kreis (Passwort-Eingabe) ===== */
.icon-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== Datei-Karte ===== */
.file-card {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border-radius: 12px !important;
  overflow: hidden;
}

/* ===== Thumbnail-Hintergrund: IMMER cremefarben ===== */
.file-preview {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: #f5ede0 !important; /* Crème – unveränderlich */
}

.img-thumbnail-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  border: none;
  border-radius: 0;
}

.preview-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

/* ===== Buttons & Formularelemente ===== */
.btn {
  border-radius: 8px;
}

.card {
  border-radius: 12px !important;
}

.alert {
  border-radius: 8px;
  border: none;
}

.input-group .form-control,
.input-group .input-group-text {
  border-radius: 8px !important;
}

.input-group .input-group-text {
  border-right: none;
}

.input-group .form-control {
  border-left: none;
}

.input-group .form-control:focus {
  box-shadow: none;
}

/* Fokus-Highlight für die gesamte input-group (inkl. Icon-Teil) */
.input-group:focus-within .form-control,
.input-group:focus-within .input-group-text {
  border-color: #86b7fe;
}

.input-group:focus-within {
  border-radius: 8px;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.input-group > :last-child {
  border-radius: 0 8px 8px 0 !important;
}

.input-group > :first-child {
  border-radius: 8px 0 0 8px !important;
}

.badge {
  font-size: 0.75em;
  font-weight: 500;
}

.upload-progress {
  height: 6px;
  border-radius: 3px;
}

/* ===== Drop-Zone ===== */
.drop-zone {
  border: 2px dashed #3a3d52;
  border-radius: 12px;
  padding: 2rem;
  min-height: 160px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

/* ===================================================
   DARK MODE
   =================================================== */
[data-bs-theme="dark"] body {
  background-color: #0f1117;
  color: #e2e8f0;
}

[data-bs-theme="dark"] .navbar.bg-primary {
  background-color: #1a3460 !important;
}

[data-bs-theme="dark"] .navbar.bg-dark {
  background-color: #0a0c12 !important;
  border-bottom: 1px solid #2a2d3a;
}

[data-bs-theme="dark"] .card {
  background-color: #1a1d27 !important;
  border: 1px solid #2a2d3a !important;
}

[data-bs-theme="dark"] .card-header {
  background-color: #1a1d27 !important;
  border-bottom: 1px solid #2a2d3a !important;
}

[data-bs-theme="dark"] .list-group-item {
  background-color: #12141e !important;
  border-color: #2a2d3a !important;
  color: #e2e8f0 !important;
}

[data-bs-theme="dark"] .file-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.55) !important;
  border-color: #3d4157 !important;
}

[data-bs-theme="dark"] .drop-zone {
  border: 2px dashed #3a3d52;
  background-color: #12141e;
}

[data-bs-theme="dark"] .drop-zone:hover,
[data-bs-theme="dark"] .drop-zone.drag-over {
  border-color: #4f8ef7;
  background-color: #161928;
}

[data-bs-theme="dark"] .bg-light:not(.file-preview) {
  background-color: #12141e !important;
}

[data-bs-theme="dark"] .modal-content {
  background-color: #1a1d27 !important;
  border: 1px solid #2a2d3a !important;
}

/* ===================================================
   LIGHT MODE
   =================================================== */
[data-bs-theme="light"] body {
  background-color: #f0f2f5;
}

[data-bs-theme="light"] .card {
  background-color: #ffffff !important;
  border: 1px solid #dee2e6 !important;
}

[data-bs-theme="light"] .file-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1) !important;
}

[data-bs-theme="light"] .drop-zone {
  border: 2px dashed #ced4da;
  background-color: #f8f9fa;
}

[data-bs-theme="light"] .drop-zone:hover,
[data-bs-theme="light"] .drop-zone.drag-over {
  border-color: #0d6efd;
  background-color: #eef3ff;
}

[data-bs-theme="light"] .bg-light {
  background-color: #f8f9fa !important;
}