/* Global Reset and Variables */
:root {
    --bg-main: #222831;
    --bg-surface: #2d323b;
    --bg-surface-elevated: #393e46;
    --bg-card: rgba(57, 62, 70, 0.75);
    --border-color: rgba(223, 208, 184, 0.1);
    --border-color-hover: rgba(223, 208, 184, 0.2);
    
    /* Accents (Color Hunt Palette Muted Gold/Beige) */
    --accent-cyan: #948979;
    --accent-cyan-rgb: 148, 137, 121;
    --accent-purple: #dfd0b8;
    --accent-purple-rgb: 223, 208, 184;
    
    /* Semantic Colors (Muted Red/Green/Amber Tints) */
    --color-profit: #4e6e58;
    --color-profit-rgb: 78, 110, 88;
    --color-drawdown: #a74a4a;
    --color-drawdown-rgb: 167, 74, 74;
    --color-warning: #b27a50;
    --color-warning-rgb: 178, 122, 80;
    
    /* Text */
    --text-primary: #dfd0b8;
    --text-secondary: #948979;
    --text-muted: #626873;
    
    /* Layout - Square Corners */
    --sidebar-width: 320px;
    --border-radius: 0px;
    --border-radius-sm: 0px;
    --transition-speed: 0.25s;
    --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.925rem;
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Glow Effects */
.glow-bg {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    pointer-events: none;
    z-index: -1;
    opacity: 0.12;
    transition: all 1s ease;
}

.glow-purple {
    top: -200px;
    right: -100px;
    background: radial-gradient(circle, var(--accent-purple) 0%, transparent 80%);
}

.glow-cyan {
    bottom: -200px;
    left: -100px;
    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 80%);
}

/* Main Container */
.app-container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Header styling */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-sm);
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.3);
}

.logo-icon i {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
}

.logo-area h1 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

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

.theme-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.theme-badge i {
    width: 14px;
    height: 14px;
}

/* Workspace Grid */
.workspace-grid {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 1024px) {
    .workspace-grid {
        grid-template-columns: 1fr;
    }
}

/* Premium Card Styles */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
    border-color: var(--border-color-hover);
}

.card-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-title i {
    width: 18px;
    height: 18px;
    color: var(--accent-cyan);
}

/* Drag and Drop Zone */
.drop-zone {
    border: 2px dashed rgba(6, 182, 212, 0.3);
    border-radius: var(--border-radius-sm);
    padding: 2rem 1rem;
    text-align: center;
    background: rgba(6, 182, 212, 0.02);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.drop-zone.dragover {
    border-color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.08);
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

.drop-icon {
    width: 40px;
    height: 40px;
    color: var(--accent-cyan);
    margin-bottom: 0.75rem;
    opacity: 0.8;
}

.drop-text-primary {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 0.85rem;
}

.drop-text-secondary {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.file-input-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.hidden-input {
    position: absolute;
    font-size: 100px;
    right: 0;
    top: 0;
    opacity: 0;
    cursor: pointer;
}

/* Button styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 1rem;
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
}

.btn-xs {
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-color-hover);
}

.btn-text {
    background: transparent;
    color: var(--text-secondary);
    padding: 0.2rem 0.4rem;
}

.btn-text:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

/* Series Controller styling */
.section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.section-title h3 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge {
    background: rgba(var(--accent-cyan-rgb), 0.1);
    border: 1px solid rgba(var(--accent-cyan-rgb), 0.2);
    color: var(--accent-cyan);
    padding: 0.15rem 0.4rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.7rem;
    font-weight: 500;
}

.controller-actions {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

/* Strategy list items */
.strategy-list {
    max-height: 250px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-right: 0.25rem;
}

/* Custom scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

.strategy-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.8rem;
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed);
}

.strategy-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-color-hover);
}

.strategy-item.inactive {
    opacity: 0.5;
}

.strategy-item-left {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 70%;
}

.strategy-checkbox {
    width: 15px;
    height: 15px;
    accent-color: var(--accent-cyan);
    cursor: pointer;
}

.strategy-meta {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.strategy-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.strategy-stats-quick {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.strategy-color-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

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

.delete-strategy-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.2rem;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed);
}

.delete-strategy-btn:hover {
    color: var(--color-drawdown);
    background: rgba(244, 63, 94, 0.1);
}

.delete-strategy-btn i {
    width: 14px;
    height: 14px;
}

.empty-state {
    padding: 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.78rem;
}

/* Settings Items */
.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.setting-info {
    display: flex;
    flex-direction: column;
}

.setting-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

.setting-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.toggle-group {
    display: flex;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.15rem;
}
 
.toggle-btn {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.toggle-btn.active {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Performance Metrics Cards */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.metric-card {
    padding: 1.25rem 1.5rem;
    position: relative;
    overflow: hidden;
}

/* Glowing card frames */
.metric-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
}

.stats-profit::after { background: var(--color-profit); }
.stats-drawdown-equity::after { background: var(--color-drawdown); }
.stats-drawdown-balance::after { background: var(--color-warning); }
.stats-diversification::after { background: var(--accent-purple); }

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

.metric-label {
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.metric-icon {
    width: 30px;
    height: 30px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-icon i {
    width: 16px;
    height: 16px;
}

.bg-emerald-alpha { background-color: rgba(16, 185, 129, 0.1); }
.bg-rose-alpha { background-color: rgba(244, 63, 94, 0.1); }
.bg-orange-alpha { background-color: rgba(249, 115, 22, 0.1); }
.bg-purple-alpha { background-color: rgba(139, 92, 246, 0.1); }

.metric-value {
    font-family: var(--font-heading);
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 0.25rem;
}

.metric-value.text-rose { color: var(--color-drawdown); }
.metric-value.text-orange { color: var(--color-warning); }
.metric-value.text-purple { color: var(--accent-purple); }

.metric-footer {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    font-weight: 500;
}

.metric-footer span:first-child {
    font-weight: 700;
}

.stats-profit .metric-footer span:first-child { color: var(--color-profit); }
.stats-drawdown-equity .metric-footer span:first-child { color: var(--color-drawdown); }
.stats-drawdown-balance .metric-footer span:first-child { color: var(--color-warning); }
.stats-diversification .metric-footer span:first-child { color: var(--accent-purple); }

.footer-desc {
    color: var(--text-muted);
}

/* Chart Card Styling */
.chart-card {
    min-height: 480px;
}

.chart-container {
    width: 100%;
    position: relative;
    min-height: 380px;
}

.chart-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6rem 1rem;
    color: var(--text-muted);
    text-align: center;
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius-sm);
    margin-top: 1rem;
}

.placeholder-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.chart-placeholder h3 {
    font-family: var(--font-heading);
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.chart-placeholder p {
    font-size: 0.8rem;
    max-width: 320px;
}

/* Custom Chart Legend Overlay */
.chart-options {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.75rem;
}

.chart-legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 500;
    color: var(--text-primary);
}

.legend-color {
    width: 12px;
    height: 4px;
    border-radius: 2px;
    display: inline-block;
}

.legend-portfolio {
    background: linear-gradient(to right, var(--accent-purple), var(--accent-cyan));
    height: 5px;
    box-shadow: 0 0 8px var(--accent-cyan);
}

/* Analysis Tabs Card */
.analysis-tabs-card {
    padding: 0;
    overflow: hidden;
}

.tabs-header {
    display: flex;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.01);
}

.tab-btn.active {
    color: var(--accent-cyan);
    border-bottom-color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.02);
}

.tab-content {
    display: none;
    padding: 1.5rem;
}

.tab-content.active {
    display: block;
}

/* Correlation Heatmap Tab */
.heatmap-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.matrix-wrapper {
    overflow-x: auto;
    padding: 0.5rem 0;
}

.matrix-table-container {
    min-width: 500px;
    display: flex;
    flex-direction: column;
}

/* Heatmap Grid Layout */
.heatmap-grid {
    display: grid;
    margin-top: 1rem;
}

.heatmap-row {
    display: flex;
}

.heatmap-cell {
    flex: 1;
    min-width: 80px;
    height: 55px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--bg-surface);
    font-size: 0.75rem;
    font-weight: 600;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    cursor: default;
    border-radius: var(--border-radius-sm);
}

.heatmap-cell:hover:not(.header-cell) {
    transform: scale(1.05);
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.heatmap-cell .val {
    font-size: 0.85rem;
    font-weight: 700;
}

.heatmap-cell .lbl {
    font-size: 0.6rem;
    opacity: 0.7;
    text-transform: uppercase;
}

.header-cell {
    background: rgba(255, 255, 255, 0.03) !important;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.7rem;
    border: 1px solid var(--border-color);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0.25rem;
}

/* Smart Suggestions Tab */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

.rec-panel {
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.01);
}

.bg-rose-alpha-light {
    background-color: rgba(244, 63, 94, 0.02);
    border-color: rgba(244, 63, 94, 0.1);
}

.bg-emerald-alpha-light {
    background-color: rgba(16, 185, 129, 0.02);
    border-color: rgba(16, 185, 129, 0.1);
}

.rec-panel-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.rec-panel-title i {
    width: 16px;
    height: 16px;
}

.text-rose-light { color: #fda4af; }
.text-emerald-light { color: #6ee7b7; }
.text-purple-light { color: #c084fc; }

.rec-desc {
    font-size: 0.75rem;
    line-height: 1.4;
}

.rec-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.rec-item {
    display: flex;
    align-items: start;
    gap: 0.6rem;
    padding: 0.6rem 0.8rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-sm);
    font-size: 0.78rem;
    border: 1px solid var(--border-color);
}

.rec-item-icon {
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.rec-item-icon i {
    width: 14px;
    height: 14px;
}

.rec-item-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.1rem;
}

.rec-item-desc {
    color: var(--text-secondary);
    font-size: 0.72rem;
}

/* Groupings / Clusters */
.clusters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.cluster-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
}

.cluster-card-title {
    font-family: var(--font-heading);
    font-size: 0.825rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.cluster-card-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.cluster-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.cluster-tag {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.cluster-tag-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

/* Strategy Details Table Tab */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.strategy-details-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.8rem;
}

.strategy-details-table th {
    background: rgba(255, 255, 255, 0.02);
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.strategy-details-table td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.strategy-details-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.cell-strategy-name {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cell-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Utility Helpers */
.text-center { text-align: center; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-6 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.pt-4 { padding-top: 1rem; }
.border-t { border-top: 1px solid var(--border-color); }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 0.5rem; }

/* Custom Badge states */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.15rem 0.4rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.65rem;
    font-weight: 600;
}

.status-active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-profit);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-inactive {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.text-profit { color: var(--color-profit) !important; }
.text-drawdown { color: var(--color-drawdown) !important; }
.text-muted { color: var(--text-muted) !important; }

/* Chart Header Controls & Fullscreen Styles */
.chart-header-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

#fullscreenBtn, #downloadChartBtn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-speed);
    cursor: pointer;
}

#fullscreenBtn:hover, #downloadChartBtn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--border-color-hover);
}

#fullscreenBtn i, #downloadChartBtn i {
    width: 16px;
    height: 16px;
}

/* Fullscreen Mode layout */
.chart-card.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    background: var(--bg-main) !important;
    border-radius: 0;
    border: none;
    padding: 2.5rem;
    margin-top: 0 !important;
    display: flex;
    flex-direction: column;
    box-shadow: none;
}

.chart-card.fullscreen .card-header {
    flex-shrink: 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.chart-card.fullscreen .chart-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    height: calc(100vh - 140px) !important;
}

.chart-card.fullscreen #equityChart {
    flex: 1;
    height: 100% !important;
}

/* Make sure the ApexCharts layout looks beautiful in fullscreen */
.chart-card.fullscreen .apexcharts-canvas {
    margin: 0 auto;
}

/* Tooltip Trigger Info Icon Styling */
.tooltip-btn-trigger {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    margin-left: 4px;
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
    transition: color var(--transition-speed);
}

.tooltip-btn-trigger:hover i {
    color: var(--accent-cyan);
}

.tooltip-btn-trigger i {
    width: 12px;
    height: 12px;
}

/* Ensure label container is relative for absolute popup positioning */
.setting-label {
    position: relative;
    display: inline-block;
}

/* Tooltip Popover Card Styling */
.tooltip-popup {
    position: fixed;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    font-size: 0.725rem;
    color: var(--text-primary);
    z-index: 99999;
    width: 280px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    text-align: left;
    white-space: normal; /* Override parent heading styles */
    font-weight: normal; /* Override parent heading styles */
    pointer-events: auto;
}

.tooltip-popup.hidden {
    display: none;
}

.tooltip-popup h4 {
    color: var(--accent-cyan);
    font-size: 0.775rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
}

.tooltip-popup p {
    margin-bottom: 0.5rem;
    line-height: 1.4;
    color: var(--text-secondary);
}

.tooltip-popup ul {
    margin-left: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.tooltip-popup li {
    margin-bottom: 0.25rem;
}

.tooltip-close {
    position: absolute;
    top: 4px;
    right: 8px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    font-weight: 700;
}

.tooltip-close:hover {
    color: var(--color-drawdown);
}

/* Metric Card Details (Best/Worst Strategy Stats) */
.metric-card-details {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px dashed rgba(223, 208, 184, 0.15);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.725rem;
}

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

.detail-value {
    font-weight: 600;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: right;
}

/* Export Guide styling */
.export-guide-container {
    padding: 0.5rem 0;
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.guide-step {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    border-radius: var(--border-radius-sm);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: all var(--transition-speed);
}

.guide-step:hover {
    border-color: var(--border-color-hover);
    background: rgba(255, 255, 255, 0.02);
}

.step-badge {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(var(--accent-cyan-rgb), 0.1);
    border: 1px solid rgba(var(--accent-cyan-rgb), 0.2);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

.step-body h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-primary);
}

.step-body p {
    font-size: 0.75rem;
    line-height: 1.4;
}