/* Dunkles Design */
body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.container {
    max-width: 1200px;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

.card-body {
    background-color: var(--card-bg);
}

.btn-primary, .btn-success, .btn-danger, .btn-secondary, .btn-outline-light {
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-success {
    background-color: var(--success-color);
    color: #fff;
}

.btn-danger {
    background-color: var(--danger-color);
    color: #fff;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: #fff;
}

.btn-outline-light {
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.form-check-label {
    color: var(--text-color);
}

#drop-area {
    cursor: pointer;
    color: var(--text-color);
}

#drop-area.highlight {
    background-color: var(--hover-color);
}

.my-form p {
    color: var(--text-color);
}

#fileInfo {
    color: var(--text-color);
}

#uploadStatus {
    color: var(--text-color);
}

/* Vorschau-Bilder und Karten */
.preview .card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

.preview .card-img-top {
    height: 100px;
    object-fit: cover;
}

.preview .card-text {
    color: var(--text-color);
    font-size: 0.9rem;
}

.preview .btn {
    margin-top: 5px;
}

.preview .card-body {
    padding: 10px;
}

.preview .card {
    margin-bottom: 15px;
}

/* Kartenanpassungen in share.php */
.card-img-top {
    width: 100%;
    height: 100px;
    object-fit: cover;
}

.card-text {
    color: var(--text-color);
    font-size: 0.9rem;
}

.btn-sm {
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
}

.preview-item {
    cursor: pointer;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 2rem;
}

.lightbox-content {
    max-width: 90%;
    max-height: 80vh;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox .close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    color: var(--text-color);
    font-size: 2rem;
    cursor: pointer;
    z-index: 1001;
}

.lightbox .nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-color);
    font-size: 2rem;
    cursor: pointer;
    padding: 1rem;
    z-index: 1001;
}

.lightbox .prev {
    left: 1rem;
}

.lightbox .next {
    right: 1rem;
}

.lightbox-info {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: var(--border-radius);
    color: var(--text-color);
    text-align: center;
    max-width: 90%;
    border: 1px solid var(--border-color);
}

.lightbox-info p {
    margin: 0;
    font-size: 0.9rem;
}

/* Selected Files Info */
#selectedCount, #selectedSize {
    font-size: 0.9rem;
    display: inline-block;
    vertical-align: middle;
}

#selectedCount i, #selectedSize i {
    margin-right: 0.5rem;
}

/* Allgemeine Styles */
body {
    background-color: var(--bg-color);
    min-height: 100vh;
}

/* Drop-Bereich */
#drop-area {
    transition: all 0.3s ease;
    background-color: var(--card-bg);
    border: 2px dashed var(--primary-color) !important;
}

#drop-area.highlight {
    background-color: var(--hover-color);
    border-color: var(--primary-color) !important;
    transform: scale(1.02);
}

.upload-icon {
    transition: all 0.3s ease;
}

.upload-icon i {
    color: var(--text-muted);
}

/* Vorschau-Karten */
.preview {
    transition: all 0.3s ease;
}

.preview:hover {
    transform: translateY(-5px);
}

.preview-image {
    height: 200px;
    object-fit: cover;
}

.preview-video {
    height: 200px;
    object-fit: cover;
}

.preview-icon {
    height: 200px;
    background-color: #f8f9fa;
}

.preview-icon i {
    color: #6c757d;
}

/* Buttons */
.btn {
    transition: all 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

/* Progress Bars */
.progress {
    background-color: #e9ecef;
    border-radius: 0.5rem;
    overflow: hidden;
}

.progress-bar {
    transition: width 0.3s ease;
}

/* Overlays */
#loadingOverlay, #overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

#overlay .bg-dark {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color);
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.alert-dismissible {
    padding-right: 4rem;
}

/* Responsive Anpassungen */
@media (max-width: 768px) {
    .preview {
        margin-bottom: 1rem;
    }
    
    .preview-image, .preview-video, .preview-icon {
        height: 150px;
    }
}

/* Animationen */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.preview {
    animation: fadeIn 0.5s ease forwards;
}

/* Verbesserte Zugänglichkeit */
.btn:focus, .form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Verbesserte Lesbarkeit */
.card-text {
    font-size: 0.9rem;
}

/* Verbesserte Fehlermeldungen */
.alert-danger {
    border-left: 4px solid #dc3545;
}

/* Verbesserte Ladeanimation */
.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Verbesserte Schatten */
.shadow-sm {
    box-shadow: 0 .125rem .25rem rgba(0,0,0,.075) !important;
}

/* Verbesserte Farben */
.text-muted {
    color: #6c757d !important;
}

/* Verbesserte Hover-Effekte */
.btn-danger:hover {
    background-color: #dc3545;
    border-color: #dc3545;
}

/* Verbesserte Formulare */
.form-control:focus {
    border-color: #0d6efd;
}

/* Verbesserte Overlays */
#overlay .bg-dark {
    max-width: 90%;
    width: 500px;
}

/* Verbesserte Icons */
.bi {
    vertical-align: middle;
}

/* Verbesserte Responsive-Anpassungen */
@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}

:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --card-bg: #ffffff;
    --border-color: #dee2e6;
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --progress-bg: #e9ecef;
    --progress-bar: #0d6efd;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --hover-color: #f8f9fa;
    --btn-close-filter: invert(0);
    --text-muted: #6c757d;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --card-bg: #2d2d2d;
    --border-color: #404040;
    --primary-color: #74b9ff;
    --secondary-color: #a0a0a0;
    --success-color: #00b894;
    --danger-color: #ff6b6b;
    --progress-bg: #404040;
    --progress-bar: #74b9ff;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --hover-color: #363636;
    --btn-close-filter: invert(1);
    --text-muted: #b0b0b0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: all 0.3s ease;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    padding: 2rem 1rem;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px var(--shadow-color);
}

.card-body {
    padding: 1.5rem;
}

/* Upload Area */
#drop-area {
    border: 2px dashed var(--primary-color);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    background-color: var(--card-bg);
}

#drop-area.highlight {
    background-color: var(--hover-color);
    border-style: solid;
    transform: scale(1.02);
}

.upload-icon {
    color: var(--primary-color);
    font-size: 3rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.upload-info {
    background-color: var(--hover-color);
    border-radius: 0.5rem;
    padding: 1rem;
    margin: 1rem 0;
}

.progress {
    background-color: var(--progress-bg);
    border-radius: 1rem;
    height: 0.5rem !important;
    overflow: hidden;
}

.progress-bar {
    background-color: var(--progress-bar);
    transition: width 0.3s ease;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(9, 132, 227, 0.3);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

/* File Preview */
.preview {
    margin-bottom: 1.5rem;
}

.preview .card {
    height: 100%;
}

.preview-image, .preview-video {
    height: 200px;
    object-fit: cover;
    border-radius: 0.5rem 0.5rem 0 0;
}

.preview-icon {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--hover-color);
    border-radius: 0.5rem 0.5rem 0 0;
}

.preview-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

/* Theme Switch in der Navigation */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    margin-left: 1rem;
}

.theme-switch {
    display: inline-block;
    height: 28px;
    position: relative;
    width: 50px;
    margin: 0;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: var(--border-color);
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 34px;
    border: 2px solid var(--primary-color);
}

.slider:before {
    background-color: var(--bg-color);
    bottom: 2px;
    content: "";
    height: 20px;
    left: 2px;
    position: absolute;
    transition: .4s;
    width: 20px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
}

.slider i {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    transition: .4s;
    z-index: 2;
}

.slider .bi-sun-fill {
    left: 4px;
    color: #f39c12;
}

.slider .bi-moon-fill {
    right: 4px;
    color: #34495e;
    opacity: 0;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(22px);
    background-color: var(--bg-color);
}

input:checked + .slider .bi-sun-fill {
    opacity: 0;
}

input:checked + .slider .bi-moon-fill {
    opacity: 1;
    color: #ffffff;
}

/* Mobile Anpassungen für Theme Switch */
@media (max-width: 768px) {
    .theme-switch-wrapper {
        margin-left: 0.5rem;
    }

    .theme-switch {
        height: 28px;
        width: 50px;
    }

    .slider:before {
        height: 20px;
        width: 20px;
    }

    .slider i {
        font-size: 12px;
    }

    .slider .bi-sun-fill {
        left: 4px;
    }

    .slider .bi-moon-fill {
        right: 4px;
    }
}

/* Verbesserte Touch-Ziele für mobile Geräte */
@media (max-width: 768px) {
    .theme-switch {
        height: 40px;
        width: 70px;
    }

    .slider:before {
        height: 32px;
        width: 32px;
        bottom: 4px;
    }

    input:checked + .slider:before {
        transform: translateX(30px);
    }

    .slider .bi-sun-fill {
        left: 10px;
    }

    .slider .bi-moon-fill {
        right: 10px;
    }
}

/* Overlays */
#loadingOverlay, #overlay {
    backdrop-filter: blur(5px);
    background-color: rgba(0, 0, 0, 0.5);
}

#overlay .bg-dark {
    background-color: var(--card-bg) !important;
    border-radius: 1rem;
    padding: 2rem;
    max-width: 90%;
    width: 500px;
}

/* Alerts */
.alert {
    border-radius: 0.5rem;
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.alert-info {
    background-color: var(--hover-color);
    color: var(--text-color);
}

.alert-danger {
    background-color: rgba(214, 48, 49, 0.1);
    color: var(--danger-color);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.preview {
    animation: fadeIn 0.5s ease forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .preview-image, .preview-video, .preview-icon {
        height: 150px;
    }
    
    .btn {
        padding: 0.5rem 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

/* Modal Styles */
.modal-content {
    background-color: var(--card-bg);
    border: none;
    border-radius: 1rem;
    box-shadow: 0 4px 6px var(--shadow-color);
}

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

.modal-body {
    padding: 1.5rem;
}

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

.modal-title {
    color: var(--text-color);
    font-weight: 600;
}

.modal .btn-close {
    filter: var(--btn-close-filter);
}

.modal .btn-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.modal .btn-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.modal h6 {
    color: var(--text-color);
    font-weight: 600;
}

.modal p {
    color: var(--secondary-color);
    margin-bottom: 0;
}

/* Info Button */
.btn-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.btn-link i {
    font-size: 1.1rem;
    vertical-align: middle;
}

/* File Info Alert */
#fileInfo {
    background-color: var(--hover-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

#fileInfo i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

#fileInfo .progress {
    height: 0.5rem !important;
    margin-top: 0.75rem;
}

#fileInfo .progress-bar {
    transition: width 0.3s ease, background-color 0.3s ease;
}

#fileInfo .d-flex {
    font-size: 0.95rem;
    color: var(--text-color);
}

#fileInfo span {
    font-weight: 500;
}

/* Alert Animations */
.alert {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-dismissible .btn-close {
    padding: 1.25rem;
    filter: var(--btn-close-filter);
}

/* Error Alert */
.alert-danger {
    background-color: rgba(214, 48, 49, 0.1);
    border-color: rgba(214, 48, 49, 0.2);
    color: var(--danger-color);
}

.alert-danger i {
    color: var(--danger-color);
}

/* Success Animation */
.success-animation {
    text-align: center;
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 4px 6px var(--shadow-color);
    color: var(--text-color);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background-color: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: scaleIn 0.5s ease-out;
}

.success-icon i {
    font-size: 2.5rem;
    color: white;
}

@keyframes scaleIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-animation .text-muted {
    color: var(--text-muted) !important;
    font-size: 1.1rem;
}

/* File Cards */
.file-card {
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.file-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px var(--shadow-color);
}

.preview-container {
    height: 200px;
    overflow: hidden;
    background-color: var(--hover-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.preview-container img,
.preview-container video {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    cursor: pointer;
}

.preview-icon {
    font-size: 3rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    cursor: pointer;
}

/* QR Code */
#qrcode {
    background-color: white;
    padding: 1rem;
    border-radius: 0.5rem;
    display: inline-block;
}

#qrcode canvas {
    max-width: 150px;
    height: auto;
}

/* Copy Success Message */
#copySuccess {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 0.5rem;
    background-color: rgba(0, 184, 148, 0.1);
    color: var(--success-color);
    animation: fadeInOut 2s ease-in-out;
}

@keyframes fadeInOut {
    0% {
        opacity: 0;
        transform: translateY(-10px);
    }
    20% {
        opacity: 1;
        transform: translateY(0);
    }
    80% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(-10px);
    }
}

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

/* Responsive Adjustments */
@media (max-width: 768px) {
    .preview-container {
        height: 150px;
    }
    
    .success-icon {
        width: 60px;
        height: 60px;
    }
    
    .success-icon i {
        font-size: 2rem;
    }
    
    #qrcode canvas {
        max-width: 120px;
    }
}

/* Navigation */
.navbar {
    background-color: var(--card-bg) !important;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.navbar-brand {
    color: var(--text-color) !important;
}

.navbar-brand:hover {
    color: var(--primary-color) !important;
}

/* Table Styles */
.table {
    color: var(--text-color);
}

.table-dark {
    background-color: var(--card-bg);
    color: var(--text-color);
}

.table-dark th,
.table-dark td {
    border-color: var(--border-color);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--hover-color);
}

/* Form Controls */
.form-control {
    background-color: var(--bg-color);
    border-color: var(--border-color);
    color: var(--text-color);
}

.form-control:focus {
    background-color: var(--bg-color);
    border-color: var(--primary-color);
    color: var(--text-color);
}

/* Modal Anpassungen */
.modal-content {
    background-color: var(--card-bg);
    color: var(--text-color);
}

.modal-header, .modal-footer {
    border-color: var(--border-color);
}

.btn-close {
    filter: var(--btn-close-filter);
}