/*
 * algoOptions - Custom CSS Design System
 * Sleek Dark Theme, Glassmorphism, Responsive Grid, Elegant Micro-interactions
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --bg-base: hsl(225, 20%, 6%);
    --bg-surface: rgba(18, 22, 33, 0.7);
    --bg-surface-elevated: rgba(28, 33, 48, 0.85);
    --border-color: rgba(255, 255, 255, 0.07);
    --border-glow: rgba(99, 102, 241, 0.15);
    
    --color-primary: hsl(250, 85%, 64%);
    --color-primary-glow: rgba(99, 102, 241, 0.3);
    --color-primary-hover: hsl(250, 85%, 70%);
    
    --color-profit: hsl(142, 72%, 43%);
    --color-profit-bg: rgba(16, 185, 129, 0.1);
    --color-loss: hsl(346, 84%, 53%);
    --color-loss-bg: rgba(244, 63, 94, 0.1);
    
    --color-call: hsl(188, 86%, 53%);
    --color-call-bg: rgba(6, 182, 212, 0.1);
    --color-put: hsl(38, 92%, 50%);
    --color-put-bg: rgba(245, 158, 11, 0.1);
    
    --text-primary: hsl(0, 0%, 98%);
    --text-secondary: hsl(218, 14%, 68%);
    --text-muted: hsl(218, 12%, 46%);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    
    --shadow-subtle: 0 4px 30px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
}

/* Global Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-base);
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(244, 63, 94, 0.04) 0px, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Glassmorphism Classes */
.glass-panel {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-subtle);
}

/* Layout Framework */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Top Navigation Bar */
header.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 28px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(10, 12, 18, 0.8);
    backdrop-filter: blur(12px);
    z-index: 100;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 24px;
    background: linear-gradient(135deg, var(--color-primary), #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-badge {
    background: var(--color-primary-glow);
    border: 1px solid rgba(99, 102, 241, 0.4);
    color: var(--color-primary-hover);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    text-transform: uppercase;
}

.header-status {
    display: flex;
    align-items: center;
    gap: 20px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.04);
    padding: 6px 14px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-profit);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-profit);
}

.status-dot.fetching {
    background-color: var(--color-put);
    box-shadow: 0 0 10px var(--color-put);
    animation: pulse 1.5s infinite;
}

/* Main Dashboard Workspace */
.main-workspace {
    display: grid;
    grid-template-columns: 340px 1fr;
    flex: 1;
    overflow: hidden;
}

/* Sidebar Config Panel */
aside.sidebar-config {
    padding: 24px;
    border-right: 1px solid var(--border-color);
    background: rgba(13, 16, 25, 0.4);
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow-y: auto;
}

.sidebar-title {
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 16px;
    padding-right: 40px !important;
    cursor: pointer;
}

select option {
    background-color: #0d1017;
    color: var(--text-primary);
}

select, input[type="text"], input[type="number"], input[type="date"] {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-fast);
}

select:focus, input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-glow);
    background: rgba(255, 255, 255, 0.08);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* Sliders */
.slider-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slider-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--color-primary-hover);
    font-weight: 600;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 5px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: 0 0 10px var(--color-primary);
    transition: var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Run Button */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), hsl(250, 80%, 55%));
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 14px;
    font-weight: 700;
    padding: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px var(--color-primary-glow);
    filter: brightness(1.1);
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    padding: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition-fast);
}

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

/* Right Content Area */
main.workspace-content {
    display: flex;
    flex-direction: column;
    padding: 24px;
    overflow-y: auto;
    gap: 20px;
}

/* Tabs Navigation */
.tabs-navigation {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 10px 18px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.tab-btn.active {
    color: white;
    background: var(--color-primary-glow);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

/* Tab Content Visibility */
.tab-content {
    display: none;
    flex-direction: column;
    gap: 20px;
}

.tab-content.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

/* Performance Metrics Cards */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.metric-card {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
}

.metric-card.profit::before { background: var(--color-profit); }
.metric-card.loss::before { background: var(--color-loss); }

.metric-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.metric-value {
    font-size: 24px;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: -0.5px;
}

.profit { color: var(--color-profit); }
.loss { color: var(--color-loss); }

.metric-value.profit { color: var(--color-profit); }
.metric-value.loss { color: var(--color-loss); }

/* Charts Box */
.chart-box {
    padding: 24px;
    min-height: 380px;
}

.chart-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Interactive Option Chain Board */
.option-chain-container {
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.option-chain-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.option-chain-table th {
    background: rgba(15, 18, 28, 0.95);
    padding: 10px 14px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--border-color);
}

.option-chain-table td {
    padding: 8px 12px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-family: 'JetBrains Mono', monospace;
}

.option-chain-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.strike-cell {
    background: rgba(99, 102, 241, 0.08);
    font-weight: 700;
    color: white;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

.ce-header {
    color: var(--color-call);
    background: var(--color-call-bg) !important;
}

.pe-header {
    color: var(--color-put);
    background: var(--color-put-bg) !important;
}

.add-leg-btn {
    border: none;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
}

.add-leg-btn.buy {
    background: var(--color-profit-bg);
    color: var(--color-profit);
}
.add-leg-btn.sell {
    background: var(--color-loss-bg);
    color: var(--color-loss);
}

.add-leg-btn:hover {
    filter: brightness(1.2);
    transform: scale(1.05);
}

/* Leg Builder Dashboard */
.builder-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.leg-card {
    display: grid;
    grid-template-columns: auto auto auto 1fr auto auto;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
}

.leg-badge {
    padding: 4px 8px;
    font-size: 10px;
    font-weight: 800;
    border-radius: 4px;
    text-transform: uppercase;
}

.leg-badge.buy { background: var(--color-profit-bg); color: var(--color-profit); }
.leg-badge.sell { background: var(--color-loss-bg); color: var(--color-loss); }
.leg-badge.ce { background: var(--color-call-bg); color: var(--color-call); }
.leg-badge.pe { background: var(--color-put-bg); color: var(--color-put); }

/* Table Elements */
.trade-table-container {
    overflow-x: auto;
}

table.ledger-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    text-align: left;
}

table.ledger-table th {
    padding: 14px 18px;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
}

table.ledger-table td {
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
}

.badge-exit {
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
}

.badge-exit.expiry { background: rgba(99, 102, 241, 0.15); color: #818cf8; }
.badge-exit.tp { background: var(--color-profit-bg); color: var(--color-profit); }
.badge-exit.sl { background: var(--color-loss-bg); color: var(--color-loss); }

/* Custom Strategy Code Editor Box */
.code-editor-box {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.code-editor-header {
    background: rgba(10, 12, 18, 0.8);
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.editor-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

textarea.strategy-code {
    width: 100%;
    height: 320px;
    background: #090b11;
    color: #e2e8f0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    padding: 20px;
    border: none;
    resize: none;
    outline: none;
    line-height: 1.5;
}

/* Payoff Metrics Details */
.payoff-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 16px;
}

.payoff-sub-card {
    padding: 14px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    text-align: center;
}

/* =========================================================================
   Contextual Help Tooltips ("How to use" for every component)
   ========================================================================= */
.help-tip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    color: var(--text-muted);
    cursor: help;
    border-radius: 50%;
    vertical-align: middle;
    transition: color var(--transition-fast), background var(--transition-fast);
    outline: none;
}

.help-tip:hover,
.help-tip:focus-visible {
    color: var(--color-primary-hover);
    background: var(--color-primary-glow);
}

.help-tip:focus-visible {
    box-shadow: 0 0 0 2px var(--color-primary-glow);
}

.help-tip i,
.help-tip svg {
    width: 14px;
    height: 14px;
    pointer-events: none;
}

/* Slightly inset the tip inside slider/section headers so it hugs the label */
.slider-header .help-tip,
label .help-tip {
    margin-left: 4px;
}

/* Floating tooltip bubble (positioned via help.js, appended to <body>) */
#help-tooltip {
    position: fixed;
    z-index: 1000;
    max-width: 280px;
    padding: 10px 14px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-subtle), var(--shadow-glow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0.1px;
    text-transform: none;
    pointer-events: none;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

#help-tooltip.visible {
    opacity: 1;
    transform: translateY(0);
}

#help-tooltip .help-tooltip-title {
    display: block;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 12px;
    margin-bottom: 4px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.6; }
    100% { transform: scale(1); opacity: 1; }
}

/* Playback Speed Controllers */
.playback-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.03);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.playback-controls button {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition-fast);
}

.playback-controls button:hover {
    color: var(--color-primary-hover);
}

/* Custom Responsive Components and Layouts */
.chart-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 12px;
}

.chart-title-row.border-bottom {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.chart-title-text {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
}

.chart-title-meta {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.panel-padded {
    padding: 20px;
}

.compact-btn {
    padding: 4px 10px;
    font-size: 11px;
}

.export-btn {
    padding: 6px 12px;
    font-size: 12px;
}

/* Expiry & Preset Container (Desktop default) */
.expiry-preset-container {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: center;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.02);
    padding: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.expiry-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.expiry-group label {
    margin-bottom: 0;
    flex-shrink: 0;
}

.expiry-group select {
    width: 200px;
    padding: 6px 12px;
    font-size: 13px;
}

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

.preset-group label {
    margin-bottom: 0;
    flex-shrink: 0;
}

.preset-group select {
    width: 220px;
    padding: 6px 12px;
    font-size: 13px;
}

/* Alert Disclaimer (Desktop default) */
.alert-disclaimer {
    padding: 12px 16px;
    margin-bottom: 16px;
    border-left: 3px solid var(--color-put);
    display: flex;
    align-items: center;
    gap: 10px;
}

.disclaimer-text {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Action Buttons Container (Desktop default) */
.action-buttons-container {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

/* =========================================================================
   Responsive Design Media Queries
   ========================================================================= */

/* Large Tablets & Small Laptops (max-width: 1024px) */
@media (max-width: 1024px) {
    .app-container {
        height: auto;
        min-height: 100vh;
    }

    .main-workspace {
        grid-template-columns: 1fr;
        overflow: visible;
    }

    aside.sidebar-config {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        overflow-y: visible;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 24px;
    }

    .sidebar-title {
        grid-column: span 2;
    }

    /* Keep simple input grids full-width within their cells */
    .slider-container, .form-group {
        grid-column: span 1;
    }

    #run-backtest-btn {
        grid-column: span 2;
        margin-top: 10px;
    }

    main.workspace-content {
        overflow-y: visible;
        padding: 20px;
    }
}

/* Tablets & Landscape Mobile (max-width: 768px) */
@media (max-width: 768px) {
    header.app-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 16px 20px;
    }

    .header-status {
        width: 100%;
        justify-content: space-between;
        gap: 12px;
    }

    .tabs-navigation {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 8px;
        border-bottom: 1px solid var(--border-color);
        gap: 4px;
    }

    .tab-btn {
        flex-shrink: 0;
        padding: 8px 14px;
        font-size: 13px;
    }

    /* Option Chain Expiry & Preset layout stacking */
    .expiry-preset-container {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 12px;
    }

    .expiry-group, .preset-group {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }

    .expiry-group select, .preset-group select {
        width: 100%;
    }

    /* Hide less critical columns in the Option Chain table */
    .option-chain-table th:nth-child(1),
    .option-chain-table td:nth-child(1),
    .option-chain-table th:nth-child(2),
    .option-chain-table td:nth-child(2),
    .option-chain-table th:nth-child(3),
    .option-chain-table td:nth-child(3),
    .option-chain-table th:nth-child(11),
    .option-chain-table td:nth-child(11),
    .option-chain-table th:nth-child(12),
    .option-chain-table td:nth-child(12),
    .option-chain-table th:nth-child(13),
    .option-chain-table td:nth-child(13) {
        display: none;
    }

    /* Option chain horizontal scroll as secondary safeguard */
    .option-chain-container {
        border-radius: var(--radius-md);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Dynamic Option Legs Builder Stacking */
    .leg-card {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        justify-content: space-between;
        align-items: center;
        padding: 14px;
    }

    .leg-card > div {
        flex: 1 1 auto;
        min-width: 80px;
    }

    /* Ensure specific lots controls group wraps correctly */
    .leg-card .form-group {
        flex-direction: row;
        align-items: center;
        width: auto;
    }

    /* Trade Ledger scrolling layout */
    .trade-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -20px;
        padding: 0 20px;
    }

    .payoff-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .chart-box {
        padding: 16px;
        min-height: 340px;
    }
}

/* Portrait Mobile Phones (max-width: 576px) */
@media (max-width: 576px) {
    aside.sidebar-config {
        grid-template-columns: 1fr;
        padding: 16px;
        gap: 16px;
    }

    .sidebar-title {
        grid-column: span 1;
    }

    #run-backtest-btn {
        grid-column: span 1;
    }

    .form-row-2 {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    header.app-header {
        padding: 12px 16px;
    }

    .logo-section {
        justify-content: center;
        width: 100%;
        margin-bottom: 4px;
    }

    .header-status {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .status-indicator {
        justify-content: center;
        padding: 6px 12px;
    }

    main.workspace-content {
        padding: 12px;
        gap: 16px;
    }

    .panel-padded {
        padding: 16px;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .metric-card {
        padding: 12px;
    }

    .metric-value {
        font-size: 18px;
    }

    .payoff-metrics {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .leg-card {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .leg-card > div {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
    }

    .leg-card .form-group {
        width: 100%;
        justify-content: space-between;
    }

    .alert-disclaimer {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 10px 12px;
    }
}