/* Root Variablen für konsistentes Theming */
:root {
    --primary-color: #3b5998;
    --primary-hover: #4a69ad;
    --secondary-color: #4c4f6b;
    --bg-primary: #ffffff;
    --bg-secondary: #d2d9df;
    --bg-extra: #66b3ff;
    --bg-dark: #1a1a2e;
    --text-color: #333333;
    --text-light: #666666;
    --border-color: #dee2e6;
    --error-color: #dc3545;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --border-radius: 0.5rem;
    --transition-speed: 0.2s;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Globale Styles */
body {
    color: var(--text-color);
    background-color: var(--bg-extra); 
	/* background-image: url('background.png');*/
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
}

/* Typography */
h1 {
    margin-bottom: 2rem;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--text-color);
}

/* Container & Layout */
.container {
    max-width: 1400px;
    padding: 0 1rem;
    margin: 0 auto;
}

/* Search Container */
.search-container {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.search-container .form-control {
    margin-bottom: 1rem;
}

.search-container .btn {
    min-width: 120px;
    margin: 0.5rem;
}

/* Accordion Styles */
.accordion-item {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 1rem;
    background: var(--bg-secondary);
}

.accordion-button {
    padding: 1rem 1.25rem;
    font-weight: 500;
    color: var(--text-color);
    background: var(--bg-secondary);
    transition: all var(--transition-speed);
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: white;
}

.accordion-body {
    padding: 1.5rem;
    background: var(--bg-primary);
}

/* Form Elements */
.form-control,
.form-select {
    min-height: 42px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(59, 89, 152, 0.25);
}

.form-select[multiple] {
    padding-right: 0.75rem;
    min-height: 100px;
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    min-height: 42px;
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: transform var(--transition-speed), 
                background-color var(--transition-speed),
                box-shadow var(--transition-speed);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: var(--primary-color);
    border: none;
}

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

.btn-secondary {
    background: var(--secondary-color);
    border: none;
}

/* Image Grid */
.image-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

.card {
    height: 100%;
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform var(--transition-speed);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.image-thumbnail {
    aspect-ratio: 1;
    object-fit: cover;
    width: 100%;
    border-radius: var(--border-radius);
    transition: transform var(--transition-speed);
}

.custom-bg {
  /* Zentrierung des Formulars */
  display: flex;
  flex-direction: column; /* Inhalt des Formulars vertikal anordnen */
  /*justify-content: center; /* Vertikale Zentrierung */
  /* align-items: center;     Horizontale Zentrierung */

  /* Anpassung des Formularbereichs */
  width: 100%;
  max-width: 80%; /* Optional: Maximale Breite */
  margin: 0 auto;    /* Zentrierung bei horizontalem Layout */
  height: 100vh;     /* Formular auf Bildschirmhöhe zentrieren */

  /* Optional: Hintergrund und Styling */
  background-color: #f5f5f5;
  /* padding: 20px; */
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
/* Checkboxes */
.form-check-input {
    width: 1.40rem;
    height: 1.40rem;
    margin-top: 0.25rem;
    cursor: pointer;
    border: 2px solid var(--border-color);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Modals */
.modal-content {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

/* Image Container Modal */
.image-container {
    max-height: 70vh;
    overflow: auto;
    text-align: center;
    background: var(--bg-dark);
    border-radius: var(--border-radius);
    padding: 1rem;
}

.image-container img {
    max-width: 100%;
    height: auto;
    transition: transform var(--transition-speed);
}

.image-details {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

/* Thumbnail Gallery */
.thumb-container {
    position: relative;
    width: 150px;
    margin: 0.5rem;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.thumbnail-img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    transition: transform var(--transition-speed);
}

.thumbnail-img:hover {
    transform: scale(1.05);
}

.download-thumb {
    position: absolute;
    bottom: 5px;
    right: 5px;
    opacity: 0;
    transition: opacity var(--transition-speed);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 0.25rem 0.5rem;
}

.thumb-container:hover .download-thumb {
    opacity: 1;
}

/* Slideshow */
.carousel-item {
    height: 70vh;
    background: var(--bg-dark);
}

.carousel-item img {
    height: 100%;
    object-fit: contain;
}

#slideshowModal.fullscreen .modal-dialog {
    max-width: 100%;
    margin: 0;
    height: 100vh;
}

#slideshowModal.fullscreen .modal-content {
    height: 100%;
    border: none;
    border-radius: 0;
}

.carousel-control-prev,
.carousel-control-next {
    width: 10%;
    background: rgba(0, 0, 0, 0.1);
    opacity: 0;
    transition: opacity var(--transition-speed);
}

.carousel:hover .carousel-control-prev,
.carousel:hover .carousel-control-next {
    opacity: 0.7;
}

/* Utility Classes */
.mb-3 {
	background-color: #66b3ff;
	padding: 10px;
	border: 1px solid #ddd;
	border-radius: 4px;
    margin-bottom: 1rem !important;
	font-size: clamp(1.0rem, 4vw, 0.5rem);
    font-weight: 600;
}

.me-2 {
    margin-right: 0.5rem !important;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

/* Loading States */
.loading {
    position: relative;
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 2px solid var(--primary-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
    .search-container .btn {
        width: 100% !important;
        margin: 0.25rem 0;
    }

    .modal-dialog {
        margin: 0.5rem;
    }

    .btn {
        padding: 0.75rem 1rem;
        width: 100%;
    }

    .me-md-3 {
        margin-right: 0 !important;
    }

    .image-container {
        max-height: 60vh;
    }
}

@media (max-width: 576px) {
    .thumb-container {
        width: calc(50% - 1rem);
    }

    .modal-header {
        padding: 0.75rem;
    }

    .modal-body {
        padding: 1rem;
    }

    .carousel-item {
        height: 50vh;
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }

    .image-container {
        max-height: none;
    }

    .image-thumbnail {
        break-inside: avoid;
    }
}