:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --dark-color: #1f2937;
    --light-color: #f9fafb;
    --border-color: #e5e7eb;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
    box-sizing: border-box;
}

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

.main-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    min-height: 100vh;
    position: relative;
}

.dashboard-header {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.95) 0%, rgba(139, 92, 246, 0.95) 100%);
    backdrop-filter: blur(20px);
    color: white;
    padding: 3rem 0 2rem;
    margin-bottom: 0;
    position: relative;
    overflow: hidden;
}

.dashboard-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.dashboard-header .container {
    position: relative;
    z-index: 1;
}

.dashboard-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.dashboard-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 400;
}

.content-wrapper {
    padding: 2rem 0;
    background: var(--light-color);
    position: relative;
}

.stat-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 1rem;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.chart-container {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.chart-container:hover {
    box-shadow: var(--shadow-xl);
}

.chart-wrapper {
    position: relative;
    height: 400px;
    width: 100%;
}

.chart-wrapper canvas {
    position: absolute !important;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
}

.chart-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.chart-title i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.search-container {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.search-container:hover {
    box-shadow: var(--shadow-xl);
}

.search-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.search-title i {
    color: var(--primary-color);
}

.search-input {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--light-color);
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: white;
}

.search-btn {
    background: var(--primary-color);
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    color: white;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.file-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.file-item:last-child {
    border-bottom: none;
}

.file-item:hover {
    background: var(--light-color);
    margin: 0 -1rem;
    padding: 1rem;
    border-radius: 12px;
}

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

.file-path {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.file-badge {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.file-size {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.directory-item {
    cursor: pointer;
    padding: 1rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.directory-item:hover {
    background: var(--light-color);
    border-color: var(--border-color);
    transform: translateX(4px);
}

.directory-icon {
    color: var(--warning-color);
    margin-right: 0.75rem;
}

.directory-name {
    font-weight: 600;
    color: var(--text-primary);
}

.directory-stats {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.export-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 25px;
    padding: 0.75rem 1.5rem;
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.export-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.loading i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 3rem 0;
}

.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

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

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .dashboard-title {
        font-size: 2rem;
    }
    
    .stat-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .chart-container,
    .search-container {
        padding: 1.5rem;
    }
    
    .export-btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* Enhanced Table styling */
.file-extension-badge {
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.file-type-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-category {
    display: block;
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-top: 2px;
    font-style: italic;
}

.count-cell, .size-cell, .avg-size-cell {
    text-align: center;
}

.size-bar {
    height: 3px;
    border-radius: 2px;
    margin-top: 4px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.size-cell:hover .size-bar {
    opacity: 1;
}

.enhanced-progress {
    border-radius: 12px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.05);
}

.progress-text {
    color: white;
    font-weight: 600;
    font-size: 0.75rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.size-range {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.range-cell small {
    display: flex;
    align-items: center;
    gap: 4px;
}

.table-responsive {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table {
    margin-bottom: 0;
}

.table th {
    background: var(--light-color);
    border: none;
    font-weight: 600;
    color: var(--text-primary);
    padding: 1rem 0.75rem;
}

.table td {
    border: none;
    padding: 0.75rem;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    transform: scale(1.01);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.progress {
    background-color: var(--border-color);
    border-radius: 10px;
}

.progress-bar {
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Sortable table headers */
.sortable-header {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 20px !important;
}

.sortable-header:hover {
    background-color: rgba(99, 102, 241, 0.1);
}

.sort-icon {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.sortable-header:hover .sort-icon {
    opacity: 1;
}

.sort-icon.active {
    opacity: 1;
    color: var(--primary-color);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Sync button */
.sync-btn {
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    border-radius: 25px;
    padding: 0.75rem 1.5rem;
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.sync-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

/* Sync modal styles */
.sync-log {
    max-height: 200px;
    overflow-y: auto;
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
}

.sync-log-entry {
    margin-bottom: 0.5rem;
    padding: 0.25rem 0;
    border-bottom: 1px solid var(--border-color);
}

.sync-log-entry:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

/* Progress bar enhancements for sync */
.sync-log .progress {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    overflow: hidden;
}

.sync-log .progress-bar {
    background: linear-gradient(90deg, #10b981, #059669);
    border-radius: 12px;
    transition: width 0.3s ease;
}

/* Modal enhancements */
.modal-content {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.02);
}

/* Enhanced Stat Cards */
.trend-indicator {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.storage-indicator {
    margin-top: 1rem;
    text-align: center;
}

.storage-bar {
    height: 6px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 4px;
}

.storage-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success-color), var(--warning-color));
    border-radius: 3px;
    transition: width 0.8s ease;
}

.mini-chart {
    margin-top: 1rem;
    text-align: center;
}

.mini-bars {
    display: flex;
    justify-content: center;
    align-items: end;
    gap: 3px;
    height: 40px;
    margin-bottom: 4px;
}

.mini-bar {
    width: 8px;
    border-radius: 2px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.mini-bar:hover {
    transform: scaleY(1.1);
    opacity: 0.8;
}

/* Enhanced Search Results */
.search-results-header {
    padding: 0.75rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    border-radius: 8px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.enhanced-file-item {
    padding: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    background: white;
}

.enhanced-file-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.enhanced-file-item.even {
    background: rgba(0, 0, 0, 0.01);
}

.file-info-row {
    display: flex;
    align-items: center;
}

.file-details {
    flex-grow: 1;
}

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

.enhanced-badge {
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.file-actions {
    display: flex;
    gap: 0.25rem;
}

.file-actions .btn {
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

/* Enhanced Loading States */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.loading i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

/* Shimmer loading effect */
.shimmer {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Enhanced table transitions */
.table tbody tr {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Improved chart container hover */
.chart-container:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

/* Enhanced Animations */
.fade-in {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered animations for cards */
.stat-card {
    animation-delay: 0.1s;
}

.stat-card:nth-child(2) {
    animation-delay: 0.2s;
}

.stat-card:nth-child(3) {
    animation-delay: 0.3s;
}

.stat-card:nth-child(4) {
    animation-delay: 0.4s;
}