/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Professional Blue Theme */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Neutral Colors */
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-blue: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    padding: var(--spacing-lg);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header */
.app-header {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.9) 100%);
    backdrop-filter: blur(10px);
}

.app-header h1 {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.app-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Main Content */
.main-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Card */
.card {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

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

.card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Capture Section */
.capture-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.required {
    color: var(--danger-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    background: var(--bg-color);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Webcam Styles */
.webcam-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

#webcam,
.preview-container {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.webcam-controls {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.status-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    text-align: center;
}

.status-message.info {
    background: #dbeafe;
    color: #1e40af;
}

.status-message.success {
    background: #d1fae5;
    color: #065f46;
}

.status-message.error {
    background: #fee2e2;
    color: #991b1b;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-sm);
}

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

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

.btn-icon {
    font-size: 1.1rem;
}

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

.btn-primary:hover {
    filter: brightness(1.1);
}

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

.btn-success:hover {
    background: #059669;
}

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

.btn-warning:hover {
    background: #d97706;
}

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-secondary:hover {
    background: #475569;
}

/* Gallery Section */
.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.gallery-controls {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

#searchInput {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    min-width: 300px;
    transition: all 0.2s ease;
}

#searchInput:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.gallery-stats {
    background: var(--bg-color);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.gallery-item {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.gallery-item-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    background: #000;
}

.gallery-item-info {
    padding: var(--spacing-md);
}

.gallery-item-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.gallery-item-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.gallery-item-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) 0;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-modal {
    position: absolute;
    right: var(--spacing-lg);
    top: var(--spacing-lg);
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10;
}

.close-modal:hover {
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-actions {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 2px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* Detail View */
.detail-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.detail-image {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.detail-info h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.detail-row {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.detail-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 2000;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.show {
    display: flex;
}

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

.toast.error {
    background: var(--danger-color);
}

/* Print Styles */
@media print {
    body {
        background: white;
        padding: 0;
    }
    
    .app-header,
    .webcam-controls,
    .gallery-section,
    .modal-actions,
    .close-modal {
        display: none !important;
    }
    
    .modal {
        display: block !important;
        position: static;
        background: white;
    }
    
    .modal-content {
        max-width: 100%;
        width: 100%;
        box-shadow: none;
        max-height: none;
    }
    
    .detail-container {
        grid-template-columns: 1fr;
    }
    
    .detail-image {
        max-width: 100%;
        page-break-inside: avoid;
    }
    
    .card {
        box-shadow: none;
        page-break-inside: avoid;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .capture-section {
        grid-template-columns: 1fr;
    }
    
    .detail-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    body {
        padding: var(--spacing-md);
    }
    
    .app-header h1 {
        font-size: 1.5rem;
    }
    
    .gallery-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    #searchInput {
        min-width: 100%;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .webcam-controls {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}