/* Modern CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Variables for Theme - Professional Modern Edition */
:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --success-hover: #059669;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --warning-color: #f59e0b;
    --dark-bg: #0a0e1a;
    --dark-surface: #111827;
    --dark-surface-hover: #1f2937;
    --dark-border: #374151;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 25px -3px rgb(0 0 0 / 0.5);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.15);
    --border-radius: 1rem;
    --border-radius-sm: 0.75rem;
    --transition: all 0.2s ease;
}

/* Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Subtle Background Effect - Static */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}

/* Header Styles */
.header {
    padding: 2.5rem 0;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    margin: 0 -1rem 2rem -1rem;
    border-radius: 0 0 2rem 2rem;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.logo i {
    font-size: 2.5rem;
    color: white;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.3));
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

/* Card Styles - Optimized */
.card {
    background: var(--dark-surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--dark-border);
    margin-bottom: 2rem;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--primary-color));
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--primary-color);
}

.card-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--dark-border);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.card-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.card-header i {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-body {
    padding: 2rem;
}

/* File Upload Styles - Optimized */
.file-upload-area {
    border: 2px dashed var(--dark-border);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
}

.file-upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.12);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
}

.upload-content i {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.upload-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.upload-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.file-info {
    background: var(--dark-surface-hover);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    border: 1px solid var(--dark-border);
}

.file-details {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.file-details i {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.file-text {
    flex: 1;
}

.file-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.file-size {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Button Styles - Optimized */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
    position: relative;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(59, 130, 246, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), var(--danger-hover));
    color: white;
    box-shadow: 0 4px 10px rgba(153, 27, 27, 0.35);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(153, 27, 27, 0.5);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), var(--success-hover));
    color: white;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(16, 185, 129, 0.5);
}

.btn-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
}

/* Settings Styles */
.settings-grid {
    display: grid;
    gap: 1.5rem;
}

.setting-item label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.setting-item i {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.slider {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--dark-border);
    outline: none;
    -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.slider-value {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    min-width: 2rem;
    text-align: center;
}

.setting-item small {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Search Form Styles */
.search-form {
    margin-bottom: 0;
}

.input-group {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.search-options {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: var(--transition);
}

.checkbox-label:hover {
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.checkbox-label span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.checkbox-label i {
    font-size: 0.875rem;
}

.form-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid var(--dark-border);
    border-radius: var(--border-radius-sm);
    background: var(--dark-surface-hover);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.context-setting {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--dark-surface-hover);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--dark-border);
}

.context-setting label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
    font-size: 0.875rem;
}

.context-setting i {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.context-setting .slider {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--dark-border);
    outline: none;
    -webkit-appearance: none;
}

.context-setting .slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease;
}

.context-setting .slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

/* Services Grid - Optimized */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.service-btn {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06) 0%, rgba(139, 92, 246, 0.06) 100%);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    text-decoration: none;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 140px;
}

.service-btn:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.service-btn:hover .service-name {
    color: white;
}

.service-btn:hover .service-domain {
    color: rgba(255, 255, 255, 0.8);
}

.service-btn:hover .service-icon i {
    transform: scale(1.1);
    background: white;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.5));
}

.service-icon {
    margin-bottom: 0.75rem;
}

.service-icon i {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.service-name {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
    color: var(--text-primary);
    transition: color 0.2s ease;
}

.service-domain {
    font-size: 0.7rem;
    color: var(--text-muted);
    transition: color 0.2s ease;
    font-weight: 400;
}

.extract-all-container {
    text-align: center;
    margin-top: 1rem;
}

.extract-all-container .btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.extract-all-container .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(59, 130, 246, 0.5);
}

/* Progress Styles - Optimized */
.progress-container {
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--dark-border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    background-size: 200% 100%;
    width: 0%;
    transition: width 0.3s ease;
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.4);
    animation: gradient-shift 2s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.progress-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Results Styles - Optimized */
.results-container {
    display: grid;
    gap: 1rem;
}

.result-item {
    background: var(--dark-surface-hover);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    transition: var(--transition);
}

.result-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.result-title {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.result-count {
    background: linear-gradient(135deg, var(--success-color), var(--success-hover));
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.result-content {
    background: var(--dark-bg);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    color: var(--text-secondary);
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    border: 1px solid var(--dark-border);
}

.result-content.scrollable {
    max-height: 200px;
    border: 1px solid var(--dark-border);
    overflow-y: auto;
    overflow-x: hidden;
}

.result-content.scrollable::-webkit-scrollbar {
    width: 6px;
}

.result-content.scrollable::-webkit-scrollbar-track {
    background: var(--dark-surface);
    border-radius: 3px;
}

.result-content.scrollable::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.result-content.scrollable::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

.result-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

/* Footer Styles */
.footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-muted);
    font-size: 0.875rem;
    border-top: 1px solid var(--dark-border);
    margin-top: 3rem;
}

.footer p {
    margin: 0.5rem 0;
}

.developer-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .header {
        margin: 0 -0.5rem 1rem -0.5rem;
        padding: 1.5rem 0;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .card-header {
        padding: 1rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }
    
    .context-setting {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .context-setting .slider {
        width: 100%;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .file-upload-area {
        padding: 2rem 1rem;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
    }

    .stat-icon i {
        font-size: 1.2rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .charts-container {
        grid-template-columns: 1fr;
    }

    .chart-wrapper {
        padding: 1rem;
    }

    .result-actions {
        flex-direction: column;
    }

    .result-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .logo {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal {
    background: var(--dark-surface);
    border-radius: var(--border-radius);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--dark-border);
    max-width: 500px;
    width: 90%;
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--dark-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--dark-surface-hover);
    color: var(--text-primary);
}

.modal-body {
    padding: 2rem;
}

.modal-body p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--dark-border);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.modal-footer .btn {
    min-width: 100px;
}

/* Statistics & Charts Styles */
.statistics-section {
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--dark-surface-hover);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon i {
    font-size: 1.5rem;
    color: white;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.chart-wrapper {
    background: var(--dark-surface-hover);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
}

.chart-wrapper h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chart-wrapper h3 i {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.chart-wrapper canvas {
    max-height: 300px;
}

/* QR Code Modal Styles */
.qr-modal-content {
    text-align: center;
}

.qr-code-container {
    display: inline-block;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius-sm);
    margin: 1rem 0;
}

.qr-download-btn {
    margin-top: 1rem;
}

/* Notification Styles */
.notification-warning {
    background: var(--warning-color) !important;
}

/* Animation Classes - Minimal */
.fade-in {
    animation: fadeIn 0.3s ease;
}

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

.slide-up {
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading Animation */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Optimize animations for performance */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}