/* style.css */
/* Advanced Professional Trading Platform UI */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --success-color: #059669;
    --success-light: #dcfce7;
    --danger-color: #dc2626;
    --danger-light: #fef2f2;
    --warning-color: #d97706;
    --warning-light: #fefce8;
    --info-color: #0369a1;
    --info-light: #e0f2fe;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --shadow: 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);
}

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

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

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 1rem 2rem;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
}

nav {
    display: flex;
    gap: 1rem;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

nav a.active {
    background-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Main Content */
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* Data Structure Information Card */
.ds-info-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
}

.ds-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.ds-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.ds-item p {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Table Styles */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
    border-radius: 8px;
    overflow: hidden;
}

.data-table th {
    background-color: #f1f5f9;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.data-table tr:hover {
    background-color: #f8fafc;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

/* Button Styles */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

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

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #047857);
    color: white;
}

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

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #b91c1c);
    color: white;
}

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

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color), #b45309);
    color: white;
}

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

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

.btn-secondary:hover {
    background-color: #475569;
    transform: translateY(-2px);
}

/* Button Sizes */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Status Indicators */
.positive {
    color: var(--success-color);
    font-weight: 600;
}

.negative {
    color: var(--danger-color);
    font-weight: 600;
}

.neutral {
    color: var(--text-secondary);
}

/* Data Structure Badges */
.ds-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--info-light);
    color: var(--info-color);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Grid System */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 {
    grid-template-columns: 1fr 1fr;
}

.grid-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.grid-4 {
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

/* Transaction badges */
.transaction-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.transaction-badge.buy {
    background-color: var(--success-light);
    color: var(--success-color);
}

.transaction-badge.sell {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

.transaction-badge.undo {
    background-color: var(--warning-light);
    color: var(--warning-color);
}

/* Risk badges */
.risk-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.risk-badge.risk-low {
    background-color: var(--success-light);
    color: var(--success-color);
}

.risk-badge.risk-medium {
    background-color: var(--warning-light);
    color: var(--warning-color);
}

.risk-badge.risk-high {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 400px;
    margin: 1rem 0;
    background: white;
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-color);
}

/* Recommendation items */
.recommendation-item {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s ease;
}

.recommendation-item:hover {
    transform: translateX(5px);
}

.recommendation-item:last-child {
    margin-bottom: 0;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: 1fr 1fr;
    }
    
    .ds-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav {
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-content: center;
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .container {
        margin: 1rem auto;
    }
    
    .data-table {
        font-size: 0.8rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.5rem;
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Animation for value changes */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.value-change {
    animation: pulse 0.5s ease;
}
/* Enhanced UI Components */

/* Card Headers */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.card-header h2 {
    margin: 0;
}

/* Live Badge */
.live-badge {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Quantity Controls */
.quantity-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.quantity-controls .form-control {
    text-align: center;
    margin: 0;
}

/* Price Info */
.price-info {
    display: grid;
    gap: 1rem;
    margin: 1.5rem 0;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
}

.info-item label {
    font-weight: 500;
    color: var(--text-secondary);
    margin: 0;
}

/* Trading Actions */
.trading-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1.5rem 0;
}

.trading-btn {
    flex: 1;
    justify-content: center;
    font-size: 1.1rem;
}

.btn-icon {
    font-size: 1.2rem;
}

/* Quick Actions */
.quick-actions {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-outline:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.btn-outline.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Order Queue */
.order-queue {
    min-height: 200px;
    max-height: 300px;
    overflow-y: auto;
}

.queue-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 150px;
    color: var(--text-secondary);
}

.placeholder-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.order-item {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    position: relative;
    overflow: hidden;
}

.order-item.processing {
    border-left: 4px solid var(--warning-color);
}

.order-item.executed {
    border-left: 4px solid var(--success-color);
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.order-details {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.processing-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--warning-color), var(--success-color));
    animation: processing 2s infinite;
}

@keyframes processing {
    0% { width: 0%; }
    50% { width: 100%; }
    100% { width: 0%; }
}

/* Market Data */
.market-section {
    margin-top: 2rem;
}

.market-data-container {
    max-height: 300px;
    overflow-y: auto;
}

.market-data-table {
    font-size: 0.85rem;
}

.stock-symbol {
    display: flex;
    flex-direction: column;
}

.stock-name {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Account Metrics */
.account-metric {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
}

.metric-icon {
    font-size: 2rem;
    opacity: 0.7;
}

.metric-info h3 {
    margin: 0 0 0.25rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.metric-info p {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
}

/* Chart Controls */
.chart-controls {
    display: flex;
    gap: 0.5rem;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.modal-header h3 {
    margin: 0;
}

.close-modal {
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

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

.modal-body {
    padding: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

/* Notifications */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: white;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--success-color);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 1001;
    min-width: 300px;
}

.notification.show {
    transform: translateX(0);
}

.notification-error {
    border-left-color: var(--danger-color);
}

.notification-warning {
    border-left-color: var(--warning-color);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.notification-icon {
    font-size: 1.2rem;
}

/* History Page Specific Styles */
.search-wrapper {
    position: relative;
}

.search-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.filter-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 8px;
}

.stat-icon {
    font-size: 2rem;
    opacity: 0.7;
}

.stat-info h3 {
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stat-info p {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.sort-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sort-control label {
    margin: 0;
    white-space: nowrap;
}

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

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

.transaction-row:hover {
    background-color: #f8fafc;
    transform: translateY(-1px);
    transition: all 0.2s ease;
}

.transaction-time {
    display: flex;
    flex-direction: column;
}

.transaction-time .date {
    font-weight: 500;
}

.transaction-time .time {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.symbol-cell {
    display: flex;
    flex-direction: column;
}

.company-name {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.page-numbers {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.page-ellipsis {
    padding: 0 0.5rem;
    color: var(--text-secondary);
}

.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.heatmap-container {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.heatmap-placeholder {
    text-align: center;
}

.heatmap-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.performance-stats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.perf-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
}

.perf-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.perf-value {
    font-weight: 600;
}

.transaction-detail {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.detail-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.detail-value {
    font-weight: 600;
}

/* Select Wrapper */
.select-wrapper {
    position: relative;
}

.select-arrow {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .trading-actions {
        flex-direction: column;
    }
    
    .account-metric, .stat-card {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .table-controls {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .filter-actions {
        flex-direction: column;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
    
    .page-numbers {
        display: none;
    }
}
/* Leaderboard Specific Styles */

.user-ranking-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.user-ranking-card .card-header {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.ranking-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 1.2rem;
    font-weight: bold;
}

.ranking-metric {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
}

.ranking-metric .metric-icon {
    font-size: 2.5rem;
    opacity: 0.9;
}

.ranking-metric .metric-info h3 {
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
}

.ranking-value {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0;
}

.leaderboard-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.update-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.leaderboard-table {
    font-size: 0.9rem;
}

.rank-cell {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rank-number {
    font-weight: bold;
    font-size: 1.1rem;
}

.rank-number.top-rank {
    color: #f59e0b;
}

.rank-badge {
    font-size: 1.2rem;
}

.rank-badge.gold { color: #f59e0b; }
.rank-badge.silver { color: #9ca3af; }
.rank-badge.bronze { color: #b45309; }

.player-cell {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.player-avatar {
    font-size: 2rem;
}

.player-info {
    flex: 1;
}

.player-name {
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.you-badge {
    background: var(--primary-color);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: bold;
}

.player-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.portfolio-value {
    font-weight: bold;
    font-size: 1.1rem;
}

.change-cell {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.trades-cell {
    position: relative;
}

.trades-bar {
    position: absolute;
    bottom: -2px;
    left: 0;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
}

.user-row {
    background: linear-gradient(135deg, #e0f2fe, #bae6fd) !important;
    font-weight: 600;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 8px;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.top-performers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.performer-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: 12px;
    background: #f8fafc;
    transition: transform 0.3s ease;
}

.performer-card:hover {
    transform: translateY(-2px);
}

.performer-card.gold {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border: 2px solid #f59e0b;
}

.performer-card.silver {
    background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
    border: 2px solid #9ca3af;
}

.performer-card.bronze {
    background: linear-gradient(135deg, #fed7aa, #fdba74);
    border: 2px solid #f97316;
}

.performer-rank {
    font-size: 2rem;
}

.performer-avatar {
    font-size: 3rem;
}

.performer-info h3 {
    margin: 0 0 0.5rem 0;
}

.performer-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.performer-change {
    font-weight: bold;
    font-size: 1.2rem;
    margin-left: auto;
}

/* Player Profile Modal */
.player-profile {
    max-height: 70vh;
    overflow-y: auto;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.profile-avatar {
    font-size: 4rem;
}

.profile-info h2 {
    margin: 0 0 0.5rem 0;
}

.profile-meta {
    color: var(--text-secondary);
    margin: 0;
}

.profile-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.profile-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
}

.stat-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.stat-value {
    font-weight: bold;
    font-size: 1.1rem;
}

.profile-section {
    margin-bottom: 1.5rem;
}

.profile-section h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.favorite-stocks {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.stock-tag {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.profile-actions {
    margin-top: 2rem;
    text-align: center;
}

/* Analytics Specific Styles */
.metric-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-2px);
}

.metric-card .metric-icon {
    font-size: 2.5rem;
    opacity: 0.7;
}

.metric-card .metric-info h3 {
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.metric-card .metric-info p {
    margin: 0;
    font-size: 1.5rem;
    font-weight: bold;
}

.allocation-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.allocation-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.allocation-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.chart-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.chart-controls label {
    margin: 0;
    font-weight: 500;
}

.chart-controls .form-control {
    width: auto;
}

.analytics-section {
    text-align: center;
}

.correlation-matrix {
    background: #f8fafc;
    padding: 1rem;
    border-radius: 8px;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.matrix-placeholder {
    text-align: center;
    color: var(--text-secondary);
}

.matrix-placeholder .placeholder-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.correlation-grid {
    display: grid;
    grid-template-columns: 80px repeat(auto-fit, 60px);
    gap: 0.5rem;
    font-size: 0.8rem;
}

.correlation-header {
    font-weight: bold;
    text-align: center;
    padding: 0.5rem;
    background: var(--primary-color);
    color: white;
    border-radius: 4px;
}

.correlation-cell {
    text-align: center;
    padding: 0.5rem;
    background: white;
    border-radius: 4px;
    font-weight: 500;
}

.correlation-cell.perfect {
    background: #10b981;
    color: white;
}

.correlation-cell.high {
    background: #fef3c7;
    color: #b45309;
}

.correlation-cell.medium {
    background: #e0f2fe;
    color: #0369a1;
}

.correlation-cell.low {
    background: #f3f4f6;
    color: var(--text-secondary);
}

.var-display, .efficiency-display {
    padding: 2rem 1rem;
    text-align: center;
}

.var-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--danger-color);
    margin-bottom: 0.5rem;
}

.var-label, .efficiency-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.var-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

.efficiency-score {
    font-size: 3rem;
    font-weight: bold;
    color: var(--success-color);
    margin-bottom: 1rem;
}

.efficiency-bar {
    width: 100%;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.efficiency-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #34d399);
    border-radius: 4px;
    transition: width 1s ease;
}

.performance-table {
    font-size: 0.9rem;
}

.stock-performance {
    display: flex;
    flex-direction: column;
}

.stock-performance small {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.patterns-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.pattern-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
}

.pattern-icon {
    font-size: 1.5rem;
    opacity: 0.7;
}

.pattern-info {
    flex: 1;
}

.pattern-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.pattern-value {
    font-weight: bold;
    font-size: 1.1rem;
}

.recommendations-grid {
    display: grid;
    gap: 1rem;
}

.recommendation-item {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s ease;
}

.recommendation-item:hover {
    transform: translateX(5px);
}

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

.recommendation-icon {
    font-size: 1.5rem;
}

.ai-badge {
    background: linear-gradient(135deg, #ec4899, #8b5cf6);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .stats-grid,
    .patterns-grid,
    .profile-stats {
        grid-template-columns: 1fr;
    }
    
    .top-performers {
        grid-template-columns: 1fr;
    }
    
    .correlation-grid {
        grid-template-columns: 60px repeat(auto-fit, 50px);
        font-size: 0.7rem;
    }
    
    .player-cell {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .player-avatar {
        font-size: 1.5rem;
    }
    
    .profile-header {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-avatar {
        font-size: 3rem;
    }
}