:root {
    /* Color Palette */
    --primary-gradient: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
    --bg-primary: #0F1419;
    --bg-secondary: #1A1F26;
    --bg-tertiary: #242A33;
    --bg-card: #1E252E;
    --text-primary: #E8EAED;
    --text-secondary: #9BA3AF;
    --text-muted: #6B7280;
    --border-color: #2D3540;
    --accent-red: #FF6B6B;
    --accent-orange: #FF8E53;
    --accent-green: #10B981;
    --accent-blue: #3B82F6;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Dashboard Layout */
.dashboard {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    animation: slideInLeft 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.sidebar-header {
    padding: var(--spacing-xl) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

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

.logo svg {
    filter: drop-shadow(0 2px 8px rgba(255, 107, 107, 0.3));
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.nav-item:hover {
    color: var(--text-primary);
    background: rgba(255, 107, 107, 0.1);
}

.nav-item.active {
    color: var(--text-primary);
    background: rgba(255, 107, 107, 0.15);
}

.nav-item.active::before {
    opacity: 0.15;
}

.nav-item svg {
    flex-shrink: 0;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.2);
}

.user-info {
    flex: 1;
    overflow: hidden;
}

.user-name {
    font-weight: 600;
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: var(--spacing-2xl);
    animation: fadeInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.1s both;
}

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

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.header-left {
    animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.header-right {
    display: flex;
    gap: var(--spacing-md);
    animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.date-range-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-card);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.date-range-selector:hover {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.date-range-selector svg {
    color: var(--text-secondary);
}

.date-select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
}

.date-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.export-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.export-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

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

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    animation: scaleIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.stat-card:nth-child(1) { 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; }

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-red);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.earnings-card::before {
    background: var(--primary-gradient);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.stat-badge.positive {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.stat-badge.negative {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.stat-badge.neutral {
    background: rgba(107, 114, 128, 0.15);
    color: var(--text-secondary);
}

.stat-value {
    font-size: 2.25rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-footer {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.stat-sparkline {
    height: 40px;
    margin-top: var(--spacing-md);
    position: relative;
}

/* Charts Section */
.charts-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.chart-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    animation: fadeInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.5s both;
}

.chart-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chart-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 4px;
}

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

.chart-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.chart-control-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.chart-control-btn:hover {
    background: rgba(255, 107, 107, 0.1);
    border-color: var(--accent-red);
    color: var(--text-primary);
}

.chart-control-btn.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
}

.chart-body {
    padding: var(--spacing-xl);
    height: 350px;
}

.chart-body canvas {
    max-height: 100%;
}

/* Performance Card */
.performance-metrics {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.performance-item {
    animation: slideInRight 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.performance-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.performance-label svg {
    opacity: 0.5;
    cursor: help;
}

.performance-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: var(--spacing-sm);
}

.performance-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 999px;
    overflow: hidden;
}

.performance-bar-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 999px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Bottom Section */
.bottom-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.table-card,
.geo-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    animation: fadeInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

.table-header,
.geo-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-title,
.geo-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.table-subtitle,
.geo-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.view-all-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.view-all-btn:hover {
    background: rgba(255, 107, 107, 0.1);
    border-color: var(--accent-red);
    color: var(--text-primary);
}

/* Data Table */
.table-wrapper {
    overflow-x: auto;
}

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

.data-table thead {
    background: rgba(255, 255, 255, 0.02);
}

.data-table th {
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: var(--spacing-md) var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
    background: rgba(255, 107, 107, 0.05);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge.active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.status-badge.paused {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.status-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* Geographic Distribution */
.geo-list {
    padding: var(--spacing-xl);
}

.geo-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
    animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.geo-flag {
    font-size: 1.5rem;
    margin-right: var(--spacing-md);
}

.geo-info {
    flex: 1;
}

.geo-country {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 4px;
}

.geo-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 999px;
    overflow: hidden;
    margin-top: 6px;
}

.geo-bar-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 999px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.geo-value {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    font-size: 0.875rem;
    margin-left: var(--spacing-md);
    min-width: 80px;
    text-align: right;
}

.geo-percentage {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-left: var(--spacing-xs);
}

/* Responsive */
@media (max-width: 1400px) {
    .charts-section,
    .bottom-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
        padding: var(--spacing-lg);
    }
    
    .header {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .header-right {
        width: 100%;
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
}

/* Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.loading {
    animation: shimmer 2s infinite linear;
    background: linear-gradient(to right, transparent 0%, rgba(255, 107, 107, 0.1) 50%, transparent 100%);
    background-size: 1000px 100%;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

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

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