/* Grundlegende Design-Variablen */
:root {
    --primary-color: #4284f5;
    --primary-dark: #3570d8;
    --primary-light: #e6f0ff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --body-bg: #f8f9fa;
    --card-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --transition-speed: 0.3s;
    
    /* Abstände */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Rundungen */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
}

/* Dark Mode Anpassungen */
.dark-mode {
    --body-bg: #121212;
    --card-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.5);
    --primary-color: #5295ff;
    --primary-light: #1e3352;
    --light-color: #2d2d2d;
    --secondary-color: #a0a0a0;
    --text-color: #f8f9fa;
    --border-color: #444;
}

/* Grundlegende Seitenstyling */
body {
    background-color: var(--body-bg);
    transition: background-color var(--transition-speed);
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-xl);
}

.container {
    padding-bottom: var(--spacing-xl);
}

/* Haupt-Karte Styling */
.card {
    border: none;
    border-radius: var(--border-radius-md);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: all var(--transition-speed);
}

.card-header {
    border-bottom: none;
    padding: var(--spacing-md) var(--spacing-lg);
}

.card-body {
    padding: var(--spacing-lg);
}

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

/* Eingabefeld und Buttons */
.input-group {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.form-control {
    border: 1px solid #ced4da;
    padding: 0.75rem 1rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(66, 132, 245, 0.25);
}

.btn {
    padding: 0.5rem 1rem;
    font-weight: 500;
    border-radius: var(--border-radius-md);
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Animation für Buttons */
.btn:active {
    transform: translateY(1px);
}

/* Liste der Artikel */
#shoppingList {
    max-height: none !important;
    overflow: visible !important;
    margin-bottom: var(--spacing-lg);
}

.list-group-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: #fff;
    border: 1px solid rgba(0,0,0,.125);
    margin-bottom: 0.25rem;
    border-radius: var(--border-radius-sm) !important;
    transition: all var(--transition-speed);
}

.list-group-item:hover {
    background-color: var(--primary-light);
    transform: translateX(4px);
}

.list-group-item span {
    flex-grow: 1;
    margin-right: 0.5rem;
}

.list-group-item.completed span {
    text-decoration: line-through;
    color: var(--secondary-color);
}

.item-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0.85;
    transition: opacity 0.2s;
}

.list-group-item:hover .item-actions {
    opacity: 1;
}

/* Verbesserte erkannte Items Liste */
#recognizedItemsList {
    max-height: none !important;
    overflow: visible !important;
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

#recognizedItemsList .list-group-item {
    background-color: var(--light-color);
    border: 1px solid var(--primary-light);
    padding: 1rem;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
}

#recognizedItemsList .list-group-item:hover {
    transform: translateX(4px);
    background-color: var(--primary-light);
}

#recognizedItemsList .form-check-input {
    width: 1.5rem;
    height: 1.5rem;
}

/* Drag and Drop Bereich */
.drag-area {
    min-height: 120px;
    border: 2px dashed #ced4da;
    border-radius: var(--border-radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.drag-area:hover {
    border-color: var(--primary-color);
    background-color: var(--primary-light);
}

.drag-area.active {
    border-color: var(--primary-color);
    background-color: var(--primary-light);
    transform: scale(1.01);
}

.drag-area i {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

/* Verbesserte Kamera-Steuerung und Vorschau */
.camera-controls {
    margin-top: var(--spacing-lg);
    background: var(--light-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: relative;
}

.zoom-controls {
    position: absolute;
    right: var(--spacing-md);
    top: var(--spacing-md);
    display: flex;
    gap: var(--spacing-xs);
    z-index: 10;
}

.zoom-controls .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

/* Verbesserte Live-Text-Erkennung */
.live-text-overlays {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.live-text-overlay {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    pointer-events: auto;
    font-size: 1rem;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    white-space: nowrap;
    text-shadow: 0 1px 1px rgba(255, 255, 255, 0.8);
    z-index: 20;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}

/* Fallback für Browser ohne backdrop-filter */
@supports not ((backdrop-filter: blur(2px)) or (-webkit-backdrop-filter: blur(2px))) {
    .live-text-overlay {
        background: rgba(255, 255, 255, 0.98);
    }
}

.live-text-overlay:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    text-shadow: none;
}

.live-text-overlay.selected {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
    transform: scale(0.9);
    pointer-events: none;
}

/* Tooltips */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    font-size: 0.8rem;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}

[data-tooltip]:hover:before {
    opacity: 1;
    visibility: visible;
}

#video {
    width: 100%;
    max-height: 70vh;
    border-radius: var(--border-radius-md);
    display: none;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--card-shadow);
    object-fit: cover;
    transition: all 0.3s ease;
    will-change: transform;
    transform-origin: center center;
}

@media (max-width: 768px) {
    .live-text-overlay {
        padding: 8px 12px;
        font-size: 1.1rem;
        border: 3px solid var(--primary-color);
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .live-text-overlays {
        padding: 8px;
    }
}

#cameraContainer {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    margin-top: var(--spacing-md);
    background: var(--light-color);
}

.btn-group {
    flex-wrap: wrap;
    gap: 0.5rem;
}

#cameraContainer {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    margin-top: var(--spacing-md);
}

#canvas {
    display: none;
}

/* Bild Vorschau */
#imagePreview {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.preview-image {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--card-shadow);
}

/* Verbesserte Ladeanimation */
.loading-container {
    display: none;
    opacity: 0;
    transition: all var(--transition-speed);
    border-radius: var(--border-radius-md);
    background-color: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.loading-container .progress {
    height: 6px;
    background-color: var(--primary-light);
    margin: var(--spacing-sm) 0;
    border-radius: var(--border-radius-lg);
}

.loading-container .progress-bar {
    background-color: var(--primary-color);
    transition: width 0.5s ease;
}

.loading-container .loading-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-color);
}

.loading-container .status-text {
    font-size: 0.9rem;
}

.loading-container.show {
    opacity: 1;
    display: block;
}

.spinner {
    width: 40px;
    height: 40px;
    position: relative;
    margin: 0 auto;
}

.double-bounce1, .double-bounce2 {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--primary-color);
    opacity: 0.6;
    position: absolute;
    top: 0;
    left: 0;
    animation: sk-bounce 2.0s infinite ease-in-out;
}

.double-bounce2 {
    animation-delay: -1.0s;
}

@keyframes sk-bounce {
    0%, 100% { 
        transform: scale(0.0);
    } 
    50% { 
        transform: scale(1.0);
    }
}

/* Listen-Verwaltung */
#listFileInput {
    display: none;
}

/* Animation für erkannte Artikel */
#recognizedItems {
    display: none;
    opacity: 0;
    transition: opacity var(--transition-speed);
    animation: fadeIn 0.3s ease-in forwards;
}

#recognizedItems.show {
    display: block;
    opacity: 1;
}

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

/* Erweiterte Dark Mode Anpassungen */
.dark-mode {
    color: var(--text-color);
}

.dark-mode .card {
    background-color: #1f1f1f;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.7);
}

.dark-mode .card-header {
    background-color: var(--light-color) !important;
    border-bottom: 1px solid var(--border-color);
}

.dark-mode .card-header.bg-primary {
    background-color: var(--primary-color) !important;
    border-bottom: none;
}

.dark-mode .form-control {
    background-color: var(--light-color);
    border-color: var(--border-color);
    color: var(--text-color);
}

.dark-mode .form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(82, 149, 255, 0.25);
    border-color: var(--primary-color);
}

.dark-mode .list-group-item {
    background-color: var(--light-color);
    border-color: var(--border-color);
    color: var(--text-color);
}

.dark-mode .list-group-item:hover {
    background-color: #363636;
}

.dark-mode .list-group-item.completed {
    background-color: #1a1a1a;
}

.dark-mode #recognizedItemsList .list-group-item {
    background-color: #262626;
    border-color: var(--primary-light);
}

.dark-mode .drag-area {
    border-color: var(--border-color);
    color: var(--text-color);
    background-color: var(--light-color);
}

.dark-mode .drag-area:hover {
    background-color: #363636;
    border-color: var(--primary-color);
}

.dark-mode .loading-container {
    background-color: rgba(45, 45, 45, 0.95);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.dark-mode .camera-controls {
    background-color: var(--light-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.dark-mode .btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.dark-mode .btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: var(--text-color);
}

/* Spezielle Hover-Effekte */
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.list-group-item {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Verbesserte Checkboxen */
.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0;
    cursor: pointer;
    transition: all 0.2s;
}

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

/* Erweiterte mobile Optimierungen */
@media (max-width: 768px) {
    .card-body {
        padding: var(--spacing-sm);
    }
    
    .list-group-item {
        padding: 0.75rem;
        margin-bottom: 0.5rem;
    }
    
    .btn {
        padding: 0.6rem 1rem;
        font-size: 1rem;
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        margin-right: 0;
    }
    
    .drag-area {
        min-height: 120px;
        padding: var(--spacing-lg);
    }
    
    #video {
        max-height: 50vh;
        transform-origin: top center;
    }

    .zoom-controls {
        right: var(--spacing-sm);
        top: auto;
        bottom: var(--spacing-sm);
    }

    .zoom-controls .btn {
        width: 2rem;
        height: 2rem;
        font-size: 0.9rem;
    }

    .live-text-overlay {
        padding: 4px 8px;
        font-size: 1rem;
    }

    /* Verbesserte Touch-Interaktion */
    .btn {
        min-height: 44px;
    }

    .form-check-input {
        min-width: 24px;
        min-height: 24px;
    }
    
    .preview-image {
        max-height: 250px;
    }
    
    .loading-container {
        padding: var(--spacing-md);
    }
    
    #recognizedItemsList .list-group-item {
        padding: 0.75rem;
    }
    
    .item-actions {
        gap: 0.5rem;
    }
}