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

:root {
    --bg-primary: linear-gradient(135deg, #F5F5F7, #FAF9F6);
    --bg-secondary: rgba(255, 255, 255, 0.6);
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-hover: rgba(255, 255, 255, 0.95);
    --text-primary: #1a1a2e;
    --text-secondary: #2d2d4a;
    --accent-purple: #8B5CF6;
    --accent-blue: #3B82F6;
    --accent-cyan: #06B6D4;
    --accent-pink: #EC4899;
    --accent-green: #10B981;
    --accent-red: #EF4444;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-card: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --shadow-glow: 0 8px 32px 0 rgba(102, 126, 234, 0.3);
    --border-radius: 16px;
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 20px;
    border-right: 1px solid rgba(255, 255, 255, 0.3);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    box-shadow: var(--shadow-card);
}

.sidebar-header {
    margin-bottom: 40px;
}

.sidebar-header h2 {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.sidebar-header .highlight {
    font-weight: 300;
}

.sidebar-header p {
    font-size: 12px;
    color: var(--text-secondary);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-size: 14px;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    transform: translateX(5px);
}

.nav-item.active {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.nav-icon {
    font-size: 18px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 0;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-card);
}

.navbar-left,
.navbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-bar {
    position: relative;
}

.search-bar input {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--border-radius);
    padding: 10px 40px 10px 16px;
    color: var(--text-primary);
    font-size: 14px;
    width: 300px;
    transition: var(--transition);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: var(--shadow-glow);
    background: rgba(255, 255, 255, 0.9);
}

.search-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
}

.theme-toggle {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 10px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--bg-hover);
    transform: rotate(180deg);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    font-size: 24px;
}

.user-name {
    font-size: 14px;
    font-weight: 500;
}

/* Dashboard Content */
.dashboard-content {
    padding: 30px;
}

/* KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.kpi-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.kpi-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-glow);
    border-color: var(--accent-purple);
}

.kpi-card.anomaly {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
    border-color: var(--accent-red);
}

.kpi-icon {
    font-size: 40px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 12px;
}

.kpi-card.anomaly .kpi-icon {
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-pink) 100%);
}

.kpi-info h3 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
    line-height: 1.2;
}

.kpi-card.anomaly .kpi-value {
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.kpi-label {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.chart-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.4);
    transition: var(--transition);
}

.chart-card:hover {
    transform: translateY(-5px) scale(1.01);
    border-color: var(--accent-purple);
    box-shadow: var(--shadow-glow);
}

.chart-card.large {
    grid-column: span 2;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.chart-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.btn-refresh {
    background: var(--bg-hover);
    border: none;
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.btn-refresh:hover {
    background: var(--accent-purple);
    transform: rotate(180deg);
}

.chart-container {
    position: relative;
    height: 300px;
}

/* Anomalies Section */
.anomalies-section {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.4);
    margin-bottom: 30px;
    transition: var(--transition);
}

.anomalies-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    gap: 16px;
}

.section-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.3px;
}

.section-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.filter-select {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-select:hover,
.filter-select:focus {
    border-color: var(--accent-purple);
    outline: none;
    background: rgba(255, 255, 255, 0.9);
}

.table-container {
    overflow-x: auto;
}

.anomalies-table {
    width: 100%;
    border-collapse: collapse;
}

.anomalies-table th {
    text-align: left;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.anomalies-table td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(102, 126, 234, 0.15);
    font-size: 14px;
    color: var(--text-primary);
}

.anomalies-table tr:hover {
    background: rgba(255, 255, 255, 0.8);
}

.anomalies-table .no-data {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px;
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.anomalous {
    background: rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
}

.status-badge.normal {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
}

/* Model Controls */
.model-controls {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.4);
    transition: var(--transition);
}

.model-controls:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.control-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.control-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.control-row label {
    font-size: 14px;
    color: var(--text-secondary);
    min-width: 100px;
}

.control-row select,
.control-row input[type="range"] {
    flex: 1;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 14px;
}

.control-row span {
    font-size: 14px;
    color: var(--accent-cyan);
    min-width: 40px;
}

.control-buttons {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 8px;
    padding: 12px 24px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

/* Upload Page Styles */
.upload-content {
    padding: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.upload-section {
    margin-bottom: 40px;
}

.upload-header {
    text-align: center;
    margin-bottom: 30px;
}

.upload-header h2 {
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.upload-header p {
    color: var(--text-secondary);
    font-size: 16px;
}

.upload-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-card);
    border: 2px dashed rgba(102, 126, 234, 0.3);
    transition: var(--transition);
}

.upload-card:hover {
    border-color: var(--accent-purple);
    transform: scale(1.02);
    box-shadow: var(--shadow-glow);
}

.upload-area {
    text-align: center;
}

.upload-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.upload-area h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.upload-area p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.upload-area input[type="file"] {
    cursor: pointer;
}

.upload-hint {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 10px;
}

.upload-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 8px;
    margin-top: 20px;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-icon {
    font-size: 32px;
}

.file-name {
    font-weight: 500;
    margin-bottom: 4px;
}

.file-size {
    font-size: 12px;
    color: var(--text-secondary);
}

.btn-remove {
    background: var(--accent-red);
    border: none;
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-remove:hover {
    background: var(--accent-pink);
}

.upload-progress {
    margin-top: 20px;
}

.progress-bar {
    height: 8px;
    background: var(--bg-hover);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

.upload-success {
    text-align: center;
    padding: 40px;
}

.success-icon {
    font-size: 64px;
    margin-bottom: 20px;
    animation: successPulse 0.5s ease;
}

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

.upload-success h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--accent-green);
}

.success-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.sample-data-section {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.4);
    transition: var(--transition);
}

.sample-data-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.sample-data-section .section-header {
    margin-bottom: 20px;
}

.sample-data-section h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.sample-data-section p {
    color: var(--text-secondary);
    font-size: 14px;
}

.format-table table {
    width: 100%;
    border-collapse: collapse;
}

.format-table th,
.format-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid rgba(102, 126, 234, 0.15);
}

.format-table th {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
}

.format-table td {
    font-size: 14px;
    color: var(--text-primary);
}

.sample-download {
    margin-top: 20px;
    text-align: center;
}

.sample-download a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition);
}

.sample-download a:hover {
    color: var(--accent-purple);
    text-decoration: underline;
}

/* Analytics Page Styles */
.analytics-content {
    padding: 30px;
}

.filters-section {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 30px;
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.4);
    transition: var(--transition);
}

.filters-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-group label {
    font-size: 14px;
    color: var(--text-secondary);
}

.filter-group input,
.filter-group select {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 14px;
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stats-section {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.4);
    transition: var(--transition);
}

.stats-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.stat-card h4 {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
}

.stat-card .stat-value {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.stat-change {
    font-size: 12px;
    color: var(--accent-green);
}

.stat-change.positive {
    color: var(--accent-green);
}

.stat-change.negative {
    color: var(--accent-red);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .charts-grid,
    .analytics-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-card.large {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 1000;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    
    .navbar {
        flex-direction: column;
        gap: 15px;
    }
    
    .search-bar input {
        width: 100%;
    }
    
    .filters-section {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .section-actions {
        flex-direction: column;
        align-items: flex-start;
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: var(--shadow-card);
    }
    50% {
        box-shadow: var(--shadow-glow);
    }
}

.kpi-card,
.chart-card,
.anomalies-section,
.model-controls {
    animation: fadeIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.kpi-card:nth-child(1) { animation-delay: 0.1s; }
.kpi-card:nth-child(2) { animation-delay: 0.2s; }
.kpi-card:nth-child(3) { animation-delay: 0.3s; }
.kpi-card:nth-child(4) { animation-delay: 0.4s; }

.chart-card:nth-child(1) { animation: slideInLeft 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.chart-card:nth-child(2) { animation: slideInRight 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275); }

.sidebar {
    animation: slideInLeft 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.navbar {
    animation: fadeIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.upload-card {
    animation: fadeIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.kpi-icon {
    animation: pulse 3s ease-in-out infinite;
}

.upload-icon {
    animation: float 3s ease-in-out infinite;
}

.btn-primary {
    animation: glow 3s ease-in-out infinite;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.3);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-purple);
}

/* About Me Modal */
.about-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.about-modal-content {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 0;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.4);
    animation: slideInUp 0.3s ease;
}

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

.about-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(102, 126, 234, 0.15);
}

.about-modal-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.close-modal {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 8px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    background: rgba(102, 126, 234, 0.1);
    color: var(--text-primary);
}

.about-modal-body {
    padding: 32px 24px;
    text-align: center;
}

.about-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    margin-bottom: 20px;
    color: white;
}

.about-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.about-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-purple);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.about-links {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.about-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 10px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.about-link:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--accent-purple);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}