/* 
 * Main CSS File
 * Options Strategy Trader - Modular CSS Architecture
 * 
 * This file contains all CSS in one consolidated file for reliability.
 * The styles are organized in logical sections matching the modular structure.
 */

/* ===== BASE STYLES - VARIABLES ===== */
:root {
    /* Color Palette - Primary */
    --primary-bg: #0d1117;          /* Main background color */
    --secondary-bg: #161b22;        /* Cards, sidebar, navbar background */
    --card-bg: #21262d;             /* Individual card backgrounds */
    --elevated-bg: #2d333a;         /* Elevated components */
    
    /* Z-Index Hierarchy */
    --z-skip-links: 1200;           /* Accessibility skip navigation links */
    --z-notifications: 1050;        /* Toast notifications and alerts */
    --z-navbar: 1030;               /* Fixed navbar */
    --z-mobile-sidebar: 1020;       /* Mobile sidebar overlay */
    --z-sidebar-overlay: 1010;      /* Mobile sidebar backdrop */
    --z-sidebar: 990;               /* Desktop sticky sidebar */
    
    /* Accent Colors */
    --accent-color: #00d4aa;        /* Primary teal accent */
    --accent-hover: #00c299;        /* Accent color hover state */
    --accent-light: #26d0ce;        /* Light accent variant */
    --accent-dark: #00b894;         /* Dark accent variant */
    
    /* Text Colors */
    --text-primary: #f0f6fc;        /* Primary text color */
    --text-secondary: #8b949e;      /* Secondary text color */
    --text-muted: #6e7681;          /* Muted/subtle text */
    --text-inverse: #0d1117;        /* Inverse text for light backgrounds */
    
    /* UI Elements */
    --border-color: #30363d;        /* Borders and dividers */
    --border-light: #40464d;        /* Light borders */
    --focus-ring: rgba(0, 212, 170, 0.3); /* Focus ring color */
    
    /* Status Colors */
    --success-color: #238636;       /* Success states and positive values */
    --success-bg: rgba(35, 134, 54, 0.1); /* Success background */
    --warning-color: #d29922;       /* Warning states */
    --warning-bg: rgba(210, 153, 34, 0.1); /* Warning background */
    --danger-color: #da3633;        /* Error states and negative values */
    --danger-bg: rgba(218, 54, 51, 0.1); /* Danger background */
    --info-color: #1f6feb;          /* Info states */
    --info-bg: rgba(31, 111, 235, 0.1); /* Info background */
    
    /* Shadows and Elevation */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.35);
    --shadow-accent: 0 4px 12px rgba(0, 212, 170, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Spacing Scale - Optimized for Data Density */
    --space-xs: 0.25rem;    /* 4px */
    --space-sm: 0.5rem;     /* 8px */
    --space-md: 0.75rem;    /* 12px - Reduced from 16px */
    --space-lg: 1rem;       /* 16px - Reduced from 24px */
    --space-xl: 1.25rem;    /* 20px - Reduced from 32px */
    --space-2xl: 1.75rem;   /* 28px - Reduced from 48px */
    
    /* Financial Data Specific Spacing */
    --data-row-padding: 0.5rem;   /* 8px - Compact row padding */
    --data-cell-padding: 0.375rem; /* 6px - Tight cell padding */
    --card-padding-compact: 0.75rem; /* 12px - Compact card padding */
    
    /* Typography Scale */
    --font-xs: 0.75rem;     /* 12px */
    --font-sm: 0.875rem;    /* 14px */
    --font-base: 1rem;      /* 16px */
    --font-lg: 1.125rem;    /* 18px */
    --font-xl: 1.25rem;     /* 20px */
    --font-2xl: 1.5rem;     /* 24px */
    --font-3xl: 1.875rem;   /* 30px */
    
    /* Animation */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* ===== BASE STYLES - TYPOGRAPHY ===== */
body {
    background-color: var(--primary-bg);
    color: var(--text-primary);
}

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

.status-open { 
    color: var(--accent-color); 
}

.status-closed { 
    color: var(--success-color); 
}

.status-pending { 
    color: var(--warning-color); 
}

.pnl-positive { 
    color: var(--success-color); 
    font-weight: bold; 
}

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

/* ===== BASE STYLES - LAYOUT ===== */
/*
 * Adaptive Layout Architecture - Polygon.io Inspired
 * 
 * This layout adapts based on authentication state:
 * - Unauthenticated: Full-width layout with top navigation only
 * - Authenticated: Sidebar + content layout on desktop, overlay on mobile
 * 
 * Key Features:
 * 1. Navbar: Fixed at top, adapts content based on auth state
 * 2. Sidebar: Only present when authenticated
 * 3. Content: Responsive width based on sidebar presence
 * 4. Mobile: Unified navigation approach
 */
.content-area {
    min-height: calc(100vh - 56px);
    background-color: var(--primary-bg);
    padding-top: 56px;
    transition: margin-left var(--transition-base); /* Smooth sidebar transitions */
}

/* Unauthenticated layout - full width */
body:not(.authenticated) .content-area {
    margin-left: 0;
    width: 100%;
}

/* Authenticated layout - account for sidebar on desktop */
body.authenticated .content-area {
    margin-left: 0; /* Mobile-first approach */
}

/* Desktop layout - Progressive Enhancement for Authenticated Users */
@media (min-width: 768px) {
    /* Only authenticated users get sidebar layout */
    body.authenticated .content-area {
        margin-left: 220px; /* Fixed width for better control */
    }
    
    /* Unauthenticated users get full-width layout */
    body:not(.authenticated) .content-area {
        margin-left: 0;
        max-width: 1200px; /* Constrain content width for better reading */
        margin: 0 auto;
        padding: 56px var(--space-xl) 0;
    }
    
    /* Hide sidebar for unauthenticated users */
    body:not(.authenticated) .sidebar {
        display: none;
    }
    
    /* Show navbar toggle only for authenticated users on narrow screens */
    body:not(.authenticated) #sidebarToggle {
        display: none !important;
    }
}

@media (min-width: 1200px) {
    /* Sidebar adjustments for authenticated users only */
    body.authenticated .sidebar {
        width: 240px;
        min-width: 240px;
        max-width: 240px;
    }
    
    body.authenticated .content-area {
        margin-left: 240px;
    }
    
    .sidebar .nav-link {
        font-size: var(--font-base);
        padding: var(--space-sm) var(--space-lg);
    }
    
    /* Wider content area for unauthenticated users */
    body:not(.authenticated) .content-area {
        max-width: 1400px;
        padding: 56px var(--space-2xl) 0;
    }
}

@media (min-width: 1400px) {
    body.authenticated .sidebar {
        width: 260px;
        min-width: 260px;
        max-width: 260px;
    }
    
    body.authenticated .content-area {
        margin-left: 260px;
    }
    
    /* Maximum width content for unauthenticated users */
    body:not(.authenticated) .content-area {
        max-width: 1600px;
    }
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, #00a8cc 100%) !important;
}

.bg-trading-gradient {
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 50%, var(--card-bg) 100%);
}

.bg-dark {
    background-color: var(--secondary-bg) !important;
}

/* ===== BASE STYLES - ACCESSIBILITY ===== */
.visually-hidden-focusable {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.visually-hidden-focusable:focus {
    position: fixed !important;
    top: var(--space-sm) !important;
    left: var(--space-sm) !important;
    width: auto !important;
    height: auto !important;
    padding: var(--space-sm) var(--space-md) !important;
    margin: 0 !important;
    overflow: visible !important;
    clip: auto !important;
    white-space: normal !important;
    border: 2px solid var(--accent-color) !important;
    border-radius: var(--radius-sm) !important;
    background-color: var(--accent-color) !important;
    color: var(--text-inverse) !important;
    text-decoration: none !important;
    font-weight: bold !important;
    box-shadow: var(--shadow-lg) !important;
    z-index: var(--z-skip-links) !important;
    font-size: var(--font-sm) !important;
}

/* Enhanced Focus States */
.nav-link:focus,
.btn:focus,
.form-control:focus,
.form-select:focus,
.dropdown-toggle:focus,
a:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--focus-ring);
    border-color: var(--accent-color);
}

.navbar-nav .nav-link:focus {
    background-color: rgba(0, 212, 170, 0.15);
    border-radius: var(--radius-sm);
}

.sidebar .nav-link:focus {
    background-color: rgba(0, 212, 170, 0.15);
    transform: translateX(4px);
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #ffffff;
        --text-secondary: #e0e0e0;
        --accent-color: #00ffcc;
    }
    
    .card {
        border-width: 2px;
    }
    
    .btn {
        border-width: 2px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .btn::before {
        display: none;
    }
    
    .card-skeleton {
        animation: none;
    }
}

/* Screen Reader Only Content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus Within Enhancement */
.card:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 1px var(--focus-ring);
}

/* Keyboard Navigation Indicators */
.keyboard-nav .nav-link:focus {
    background-color: rgba(0, 212, 170, 0.2);
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Color Blind Friendly Indicators */
.status-positive::before {
    content: '▲';
    margin-right: var(--space-xs);
}

.status-negative::before {
    content: '▼';
    margin-right: var(--space-xs);
}

.status-neutral::before {
    content: '●';
    margin-right: var(--space-xs);
}

/* ===== COMPONENT STYLES - CARDS ===== */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-light);
}

.card-header {
    background-color: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-md); /* Reduced padding for density */
    font-weight: 600;
    font-size: var(--font-sm); /* Smaller header text */
}

.card-body {
    padding: var(--card-padding-compact); /* More compact card bodies */
}

/* Data-dense card variant */
.card-body.dense {
    padding: var(--space-sm);
}

/* Financial data card styling */
.card.financial-data {
    margin-bottom: var(--space-sm);
}

.card.financial-data .card-body {
    padding: var(--space-sm) var(--space-md);
}

/* Enhanced Card Variants */
.card-elevated {
    background-color: var(--elevated-bg);
    box-shadow: var(--shadow-lg);
    border: none;
}

.card-stat {
    border-left: 4px solid var(--accent-color);
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(0, 212, 170, 0.02) 100%);
    transition: var(--transition-base);
}

.card-stat:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
    border-left-width: 6px;
}

.card-stat.success {
    border-left-color: var(--success-color);
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--success-bg) 100%);
}

.card-stat.success:hover {
    box-shadow: 0 4px 12px rgba(35, 134, 54, 0.15);
}

.card-stat.danger {
    border-left-color: var(--danger-color);
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--danger-bg) 100%);
}

.card-stat.danger:hover {
    box-shadow: 0 4px 12px rgba(218, 54, 51, 0.15);
}

.card-stat.warning {
    border-left-color: var(--warning-color);
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--warning-bg) 100%);
}

.card-stat.warning:hover {
    box-shadow: 0 4px 12px rgba(210, 153, 34, 0.15);
}

.card-stat.info {
    border-left-color: var(--info-color);
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--info-bg) 100%);
}

.card-stat.info:hover {
    box-shadow: 0 4px 12px rgba(31, 111, 235, 0.15);
}

.position-card {
    transition: var(--transition-base);
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
}

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

/* Card Content Enhancements */
.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-xl);
    margin-bottom: var(--space-sm);
}

.card-icon.success {
    background: var(--success-bg);
    color: var(--success-color);
}

.card-icon.warning {
    background: var(--warning-bg);
    color: var(--warning-color);
}

.card-icon.danger {
    background: var(--danger-bg);
    color: var(--danger-color);
}

.card-icon.info {
    background: var(--info-bg);
    color: var(--info-color);
}

.card-icon.accent {
    background: rgba(0, 212, 170, 0.1);
    color: var(--accent-color);
}

.card-value {
    font-size: var(--font-2xl);
    font-weight: 700;
    line-height: 1.2;
    margin: var(--space-xs) 0;
}

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

.card-change {
    font-size: var(--font-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.card-change.positive {
    color: var(--success-color);
}

.card-change.negative {
    color: var(--danger-color);
}

/* Loading States */
.card-skeleton {
    background: linear-gradient(
        90deg,
        var(--card-bg) 25%,
        var(--elevated-bg) 50%,
        var(--card-bg) 75%
    );
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
    height: 1rem;
    margin: var(--space-xs) 0;
}

.card-skeleton.wide {
    width: 80%;
}

.card-skeleton.narrow {
    width: 60%;
}

@keyframes loading-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ===== COMPONENT STYLES - FORMS ===== */
.form-control {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.form-control:focus {
    background-color: var(--card-bg);
    border-color: var(--accent-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 212, 170, 0.25);
}

.form-select {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.form-select:focus {
    background-color: var(--card-bg);
    border-color: var(--accent-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 212, 170, 0.25);
}

/* ===== COMPONENT STYLES - TABLES ===== */
.table-dark {
    background-color: var(--card-bg);
}

.table-dark td, 
.table-dark th {
    border-color: var(--border-color);
}

/* ===== COMPONENT STYLES - NAVIGATION ===== */
.navbar-brand {
    font-weight: bold;
    color: var(--accent-color) !important;
    font-size: var(--font-lg);
    transition: var(--transition-base);
}

.navbar-brand:hover {
    color: var(--accent-light) !important;
    transform: scale(1.02);
}

.navbar-dark {
    background-color: var(--secondary-bg) !important;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-navbar);
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    transition: var(--transition-base);
    border-radius: var(--radius-sm);
    margin: 0 var(--space-xs);
    padding: var(--space-sm) var(--space-md);
}

/* Enhanced navbar for different auth states */
body:not(.authenticated) .navbar {
    border-bottom: 2px solid var(--accent-color); /* Stronger accent for marketing nav */
}

body.authenticated .navbar {
    border-bottom: 1px solid var(--border-color); /* Subtle border for app nav */
}

/* Marketing navigation improvements for unauthenticated users */
body:not(.authenticated) .navbar-nav .nav-link {
    font-weight: 500;
    position: relative;
}

body:not(.authenticated) .navbar-nav .nav-link:hover::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 2px;
    background: var(--accent-color);
    border-radius: 1px;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: var(--accent-color) !important;
    background-color: rgba(0, 212, 170, 0.1);
    transform: translateY(-1px);
}

/* Enhanced Sidebar Navigation */
.sidebar {
    min-height: calc(100vh - 56px);
    background-color: var(--secondary-bg);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 56px;
    left: 0;
    width: 16.66667%; /* col-md-2 equivalent */
    min-width: 200px; /* Ensure minimum width for text readability */
    max-width: 280px; /* Maximum width to prevent excessive space usage */
    z-index: var(--z-sidebar);
    padding-top: var(--space-md); /* Reduced top padding */
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
    overflow-y: auto;
    overflow-x: hidden;
}

/* Navigation Sections */
.nav-section {
    margin-bottom: var(--space-lg);
}

.nav-section-header {
    padding: var(--space-sm) var(--space-md) var(--space-xs);
    margin-bottom: var(--space-sm);
}

.nav-section-header small {
    font-size: var(--font-xs);
    letter-spacing: 1px;
    font-weight: 700;
    color: var(--text-muted);
}

.sidebar .nav-link {
    color: var(--text-secondary);
    transition: var(--transition-base);
    border-radius: var(--radius-sm);
    margin: var(--space-xs) 0; /* Remove horizontal margin for better fit */
    padding: var(--space-sm) var(--space-md);
    font-weight: 500;
    font-size: var(--font-sm); /* Ensure readable font size */
    position: relative;
    display: flex;
    align-items: center;
    text-decoration: none;
    white-space: nowrap; /* Prevent text wrapping */
    overflow: hidden; /* Hide any overflow */
    text-overflow: ellipsis; /* Add ellipsis for very long text */
    min-height: 36px; /* Ensure adequate touch target */
}

.sidebar .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background-color: var(--accent-color);
    border-radius: 0 2px 2px 0;
    transition: var(--transition-base);
}

.sidebar .nav-link:hover {
    background-color: var(--card-bg);
    color: var(--accent-color);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.sidebar .nav-link:hover::before {
    height: 20px;
}

.sidebar .nav-link.active {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-dark) 100%);
    color: white;
    font-weight: 600;
    box-shadow: var(--shadow-accent);
}

.sidebar .nav-link.active::before {
    height: 100%;
    width: 4px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.3), rgba(255,255,255,0.1));
}

.sidebar .nav-link i {
    width: 20px;
    text-align: center;
    margin-right: var(--space-sm);
    font-size: var(--font-base);
    transition: var(--transition-base);
}

.sidebar .nav-link:hover i {
    transform: scale(1.1);
}

/* Dropdown Enhancements */
.dropdown-menu {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    margin-top: var(--space-sm);
}

.dropdown-item {
    color: var(--text-secondary);
    transition: var(--transition-base);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    margin: var(--space-xs);
}

.dropdown-item:hover {
    background-color: rgba(0, 212, 170, 0.1);
    color: var(--accent-color);
    transform: translateX(4px);
}

.dropdown-divider {
    border-color: var(--border-color);
    margin: var(--space-sm);
}

/* Narrow Width Breakpoint Fixes - Improved Navigation */
@media (max-width: 992px) {
    .sidebar {
        width: 220px; /* Slightly wider for better text visibility */
        min-width: 220px;
        max-width: 220px;
    }
    
    .sidebar .nav-link {
        font-size: var(--font-sm);
        padding: var(--space-sm) var(--space-md);
        min-height: 40px;
    }
    
    .sidebar .nav-link i {
        min-width: 20px; /* Ensure icon width consistency */
        margin-right: var(--space-sm);
        text-align: center;
    }
    
    .content-area {
        margin-left: 220px; /* Adjust for wider sidebar */
    }
}

/* Mobile Navigation Improvements - Single Menu System */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: 56px;
        left: -100%;
        width: 280px;
        min-width: 280px;
        max-width: 280px;
        z-index: var(--z-mobile-sidebar);
        transition: left var(--transition-base), transform var(--transition-base);
        height: calc(100vh - 56px);
        overflow-y: auto;
        overflow-x: hidden;
        box-shadow: var(--shadow-lg);
        will-change: transform; /* Optimize for animations */
        -webkit-overflow-scrolling: touch; /* Smooth iOS scrolling */
    }
    
    .sidebar.show {
        left: 0;
        transform: translateZ(0); /* Force hardware acceleration */
    }
    
    .sidebar-overlay {
        position: fixed;
        top: 56px; /* Start below navbar to avoid overlap */
        left: 0;
        width: 100%;
        height: calc(100vh - 56px); /* Exclude navbar height */
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        z-index: var(--z-sidebar-overlay);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-base), visibility var(--transition-base);
        touch-action: manipulation;
    }
    
    .sidebar-overlay.show {
        opacity: 1;
        visibility: visible;
    }
    
    /* Mobile - no sidebar margin, full width content */
    .content-area {
        margin-left: 0 !important;
        padding-left: var(--space-xs); /* Reduced from --space-sm for mobile */
        padding-right: var(--space-xs);
    }
    
    /* Touch-friendly navigation with better text visibility */
    .sidebar .nav-link {
        padding: var(--space-md) var(--space-lg);
        font-size: var(--font-base); /* Larger font on mobile */
        min-height: 48px;
        white-space: normal; /* Allow wrapping on mobile if needed */
        line-height: 1.3;
    }
    
    .sidebar .nav-link i {
        min-width: 24px;
        font-size: var(--font-lg);
        margin-right: var(--space-md);
    }
    
    .nav-section-header {
        padding: var(--space-md) var(--space-lg) var(--space-sm);
        position: sticky;
        top: 0;
        background: var(--secondary-bg);
        z-index: 10;
        margin-bottom: var(--space-sm);
    }
    
    /* Mobile-specific navigation improvements */
    .nav-section {
        margin-bottom: var(--space-lg);
    }
    
    .nav-section:last-child {
        margin-bottom: var(--space-xl); /* Extra space at bottom for scrolling */
    }
}

/* Mobile-First Navigation Enhancements */

/* Prevent horizontal scrolling issues */
@media (max-width: 768px) {
    body {
        overflow-x: hidden;
        position: relative;
    }
    
    /* Ensure navbar doesn't have conflicting toggles */
    .navbar-toggler {
        display: none !important; /* Hide Bootstrap's navbar toggler on mobile */
    }
    
    /* Only show sidebar toggle for authenticated users */
    body.authenticated #sidebarToggle {
        display: inline-block !important;
        z-index: calc(var(--z-navbar) + 1);
    }
    
    /* Hide sidebar toggle for unauthenticated users */
    body:not(.authenticated) #sidebarToggle {
        display: none !important;
    }
    
    /* Prevent body scroll when sidebar is open */
    body.sidebar-open {
        overflow: hidden;
        height: 100vh;
    }
    
    /* Mobile content adjustments */
    .content-area {
        min-height: calc(100vh - 56px);
        width: 100%;
        overflow-x: hidden;
    }
    
    /* Mobile breadcrumb enhancements */
    .breadcrumb-container {
        position: relative; /* Changed from sticky to prevent going behind navbar */
        margin-top: 0; /* No gap from navbar */
        z-index: 1; /* Lower z-index, stays below navbar */
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }
}

/* ===== COMPONENT STYLES - BUTTONS ===== */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    letter-spacing: 0.3px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: var(--transition-base);
}

.btn:hover::before {
    left: 100%;
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-dark) 100%);
    border: none;
    color: white !important;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent-color) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
    color: white !important;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Outline Primary */
.btn-outline-primary {
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--text-inverse);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

/* Success Button */
.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #1e7e34 100%);
    border: none;
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-success:hover {
    background: linear-gradient(135deg, #28a745 0%, var(--success-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(35, 134, 54, 0.3);
    color: white;
}

/* Warning Button */
.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #e0a800 100%);
    border: none;
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #ffc107 0%, var(--warning-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(210, 153, 34, 0.3);
    color: var(--text-inverse);
}

/* Danger Button */
.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #c82333 100%);
    border: none;
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc3545 0%, var(--danger-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(218, 54, 51, 0.3);
    color: white;
}

/* Info Button */
.btn-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #0056b3 100%);
    border: none;
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-info:hover {
    background: linear-gradient(135deg, #17a2b8 0%, var(--info-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(31, 111, 235, 0.3);
    color: white;
}

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

.btn-outline-secondary:hover {
    background: var(--card-bg);
    border-color: var(--border-light);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline-info:hover {
    background: var(--info-color);
    border-color: var(--info-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(31, 111, 235, 0.3);
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-sm);
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-lg);
    border-radius: var(--radius-md);
}

/* Disabled State */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Loading State */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    color: inherit;
}

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

/* Button Groups */
.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.btn-group .btn:only-child {
    border-radius: var(--radius-sm);
}

/* Focus States */
.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--focus-ring);
}

/* ===== COMPONENT STYLES - ALERTS ===== */
.alert-warning {
    background-color: rgba(210, 153, 34, 0.1);
    border-color: var(--warning-color);
    color: var(--text-primary);
}

/* ===== PAGE STYLES - FOOTER ===== */
footer {
    background-color: var(--secondary-bg) !important;
    border-top: 1px solid var(--border-color);
}

footer h5, 
footer h6 {
    color: var(--text-primary);
}

footer a:hover {
    color: var(--accent-color) !important;
}

/* Footer adjustments based on authentication state */
@media (min-width: 768px) {
    /* Authenticated users - account for sidebar */
    body.authenticated footer {
        margin-left: 220px;
    }
    
    /* Unauthenticated users - full width footer */
    body:not(.authenticated) footer {
        margin-left: 0;
    }
}

@media (min-width: 1200px) {
    body.authenticated footer {
        margin-left: 240px;
    }
}

@media (min-width: 1400px) {
    body.authenticated footer {
        margin-left: 260px;
    }
}

/* Mobile footer - no margin adjustments needed */
@media (max-width: 767px) {
    body.authenticated footer {
        margin-left: 0;
        padding-top: var(--space-xl); /* Extra spacing on mobile */
    }
}

/* ===== EMPTY STATES & LOADING PATTERNS ===== */
.empty-state {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    opacity: 0.6;
}

.empty-state-title {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.empty-state-message {
    font-size: var(--font-base);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

.empty-state-action {
    margin-top: var(--space-lg);
}

/* Contextual Empty States */
.empty-state.positions {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(0, 212, 170, 0.02) 100%);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
}

.empty-state.trading {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(31, 111, 235, 0.02) 100%);
    border: 2px dashed var(--info-color);
    border-radius: var(--radius-lg);
}

.empty-state.analytics {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(210, 153, 34, 0.02) 100%);
    border: 2px dashed var(--warning-color);
    border-radius: var(--radius-lg);
}

/* Loading States */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-md);
}

.loading-text {
    font-size: var(--font-sm);
    color: var(--text-muted);
}

/* Skeleton Loading Patterns */
.skeleton-list {
    padding: var(--space-lg);
}

.skeleton-item {
    display: flex;
    align-items: center;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-color);
}

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

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-skeleton);
    margin-right: var(--space-md);
    flex-shrink: 0;
}

.skeleton-content {
    flex: 1;
}

.skeleton-line {
    height: 16px;
    background: linear-gradient(
        90deg,
        var(--card-bg) 25%,
        var(--elevated-bg) 50%,
        var(--card-bg) 75%
    );
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.skeleton-line.short {
    width: 60%;
}

.skeleton-line.medium {
    width: 80%;
}

.skeleton-line:last-child {
    margin-bottom: 0;
}

/* Data Visualization Skeletons */
.skeleton-chart {
    height: 200px;
    background: linear-gradient(
        90deg,
        var(--card-bg) 25%,
        var(--elevated-bg) 50%,
        var(--card-bg) 75%
    );
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s infinite;
    border-radius: var(--radius-md);
    margin: var(--space-md) 0;
}

.skeleton-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.skeleton-stat {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.skeleton-stat-value {
    height: 24px;
    background: linear-gradient(
        90deg,
        var(--card-bg) 25%,
        var(--elevated-bg) 50%,
        var(--card-bg) 75%
    );
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    width: 70%;
}

.skeleton-stat-label {
    height: 14px;
    background: linear-gradient(
        90deg,
        var(--card-bg) 25%,
        var(--elevated-bg) 50%,
        var(--card-bg) 75%
    );
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
    width: 50%;
}

/* ===== POLYGON.IO INSPIRED ENHANCEMENTS ===== */

/* Modern glass morphism effects */
.glass-card {
    background: rgba(33, 38, 45, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Professional financial layout patterns */
.financial-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-sm);
    padding: var(--space-sm);
}

@media (min-width: 768px) {
    .financial-layout {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--space-md);
        padding: var(--space-md);
    }
}

@media (min-width: 1200px) {
    .financial-layout {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }
}

/* Modern scrollbar styling */
.custom-scrollbar {
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

.custom-scrollbar::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 3px;
    transition: background-color var(--transition-base);
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background-color: var(--accent-color);
}

/* Subtle hover animations inspired by modern financial platforms */
.hover-scale {
    transition: transform var(--transition-base);
}

.hover-scale:hover {
    transform: scale(1.02);
}

.hover-glow {
    transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(0, 212, 170, 0.3);
}

/* Professional data highlighting */
.highlight-on-hover {
    transition: background-color var(--transition-base);
}

.highlight-on-hover:hover {
    background-color: rgba(0, 212, 170, 0.05);
}

/* Performance optimizations for financial data */
.will-change-transform {
    will-change: transform;
}

.will-change-scroll {
    will-change: scroll-position;
}

/* GPU acceleration for smooth animations */
.gpu-accelerated {
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

/* Scroll performance */
.smooth-scroll {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* Text rendering optimizations */
.optimize-text {
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Print styles for financial data */
@media print {
    .sidebar,
    .navbar,
    .breadcrumb-container,
    footer {
        display: none !important;
    }
    
    .content-area {
        margin-left: 0 !important;
        padding: 0 !important;
    }
    
    .data-table {
        border-collapse: collapse;
        width: 100%;
    }
    
    .data-table th,
    .data-table td {
        border: 1px solid #000;
        padding: 4px 8px;
        font-size: 10px;
    }
    
    .card {
        border: 1px solid #000;
        break-inside: avoid;
        margin-bottom: 8px;
    }
}

/* ===== ENHANCED FORM COMPONENTS ===== */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: var(--font-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control,
.form-select {
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-base);
    transition: var(--transition-base);
    width: 100%;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--elevated-bg);
    border-color: var(--accent-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px var(--focus-ring);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.8;
}

/* Form Validation States */
.form-control.is-valid,
.form-select.is-valid {
    border-color: var(--success-color);
    box-shadow: 0 0 0 2px rgba(35, 134, 54, 0.2);
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 2px rgba(218, 54, 51, 0.2);
}

.valid-feedback {
    color: var(--success-color);
    font-size: var(--font-sm);
    margin-top: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: var(--font-sm);
    margin-top: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Form Input Groups */
.input-group {
    display: flex;
    align-items: center;
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.input-group:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.input-group .form-control {
    border: none;
    background: transparent;
    box-shadow: none;
}

.input-group-text {
    background-color: var(--secondary-bg);
    border: none;
    color: var(--text-secondary);
    padding: var(--space-sm) var(--space-md);
    font-weight: 600;
}

/* Range Inputs */
.form-range {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    outline: none;
    transition: var(--transition-base);
}

.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.form-range::-webkit-slider-thumb:hover {
    background: var(--accent-light);
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.form-range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.form-range::-moz-range-thumb:hover {
    background: var(--accent-light);
    transform: scale(1.1);
}

/* Custom Checkboxes and Radios */
.form-check-input {
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    transition: var(--transition-base);
}

.form-check-input:checked {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--focus-ring);
    outline: none;
}

.form-check-label {
    color: var(--text-primary);
    font-weight: 500;
    margin-left: var(--space-sm);
}

/* ===== ALERTS & NOTIFICATIONS ===== */
.alert {
    border-radius: var(--radius-md);
    border: none;
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: var(--z-notifications);
}

.alert-success {
    background: var(--success-bg);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-warning {
    background: var(--warning-bg);
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
}

.alert-danger {
    background: var(--danger-bg);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background: var(--info-bg);
    color: var(--info-color);
    border-left: 4px solid var(--info-color);
}

.alert-icon {
    font-size: var(--font-lg);
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: var(--space-xs);
    font-size: var(--font-base);
}

.alert-message {
    font-size: var(--font-sm);
    line-height: 1.4;
    opacity: 0.9;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 80px;
    right: var(--space-lg);
    z-index: var(--z-notifications);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-md) var(--space-lg);
    max-width: 350px;
    opacity: 0;
    transform: translateX(100%);
    transition: var(--transition-base);
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

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

.toast-title {
    font-weight: 600;
    font-size: var(--font-sm);
    color: var(--text-primary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: var(--font-lg);
    padding: 0;
    transition: var(--transition-base);
}

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

.toast-body {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ===== RESPONSIVE DATA PATTERNS - POLYGON.IO INSPIRED ===== */
/*
 * Financial data tables optimized for density and readability
 * following modern financial platform design patterns
 */
.data-table-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); /* Smaller radius for cleaner look */
    overflow: hidden;
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-sm);
}

.data-table-container.compact {
    border-radius: 0; /* No radius for maximum density */
    border: none;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-sm);
    box-shadow: none;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-sm);
}

.data-table th {
    background: var(--secondary-bg);
    color: var(--text-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: var(--font-xs);
    padding: var(--data-cell-padding) var(--data-row-padding); /* Compact table headers */
    border-bottom: 1px solid var(--border-color); /* Thinner borders */
    text-align: left;
    line-height: 1.2; /* Tighter line height */
}

.data-table td {
    padding: var(--data-cell-padding) var(--data-row-padding); /* Compact table cells */
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: var(--font-sm); /* Consistent small font */
    line-height: 1.3; /* Optimized for readability */
}

.data-table tr:hover {
    background: rgba(0, 212, 170, 0.02);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* Mobile Data Cards */
@media (max-width: 768px) {
    .data-table-container {
        display: none;
    }
    
    .data-cards {
        display: block;
    }
    
    .data-card {
        background: var(--card-bg);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: var(--space-lg);
        margin-bottom: var(--space-md);
        box-shadow: var(--shadow-sm);
    }
    
    .data-card-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--space-sm) 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .data-card-row:last-child {
        border-bottom: none;
    }
    
    .data-card-label {
        font-weight: 600;
        color: var(--text-muted);
        font-size: var(--font-xs);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    
    .data-card-value {
        color: var(--text-primary);
        font-weight: 500;
    }
}

@media (min-width: 769px) {
    .data-cards {
        display: none;
    }
}

/* ===== BREADCRUMB NAVIGATION ===== */
/*
 * Compact Breadcrumb Architecture - Inspired by Polygon.io
 * 
 * Reduced padding for data-dense financial layouts.
 * Optimized for both desktop and mobile experiences.
 * Maintains accessibility while being more compact.
 */
.breadcrumb-container {
    background: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    position: static;
    box-shadow: none; /* Removed shadow for cleaner look */
    padding: 4px var(--space-md); /* Ultra-compact: 4px vertical padding */
    margin: 0 calc(-1 * var(--space-md)); /* Break out of parent padding for full width */
    padding-left: var(--space-md); /* Restore left padding */
    padding-right: var(--space-md); /* Restore right padding */
}

/* Desktop layout - compact professional appearance */
@media (min-width: 768px) {
    .breadcrumb-container {
        padding: 4px var(--space-lg); /* Maintain 4px vertical on desktop */
        border-bottom: 1px solid var(--border-color); /* Keep subtle separator */
        margin: 0 calc(-1 * var(--space-lg)); /* Break out of parent padding for full width */
        padding-left: var(--space-lg); /* Restore left padding */
        padding-right: var(--space-lg); /* Restore right padding */
    }
}

.breadcrumb {
    background: transparent !important;
    font-size: var(--font-xs); /* Smaller font for data density */
    padding: 0 !important;
    margin: 0 !important;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    min-height: 20px; /* Ultra-minimal height for compact look */
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    line-height: 1.5;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '›';
    color: var(--text-muted);
    font-weight: 600;
    font-size: var(--font-base);
    margin: 0 var(--space-sm);
    opacity: 0.7;
    transition: var(--transition-fast);
}

.breadcrumb-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    padding: 2px var(--space-sm); /* Ultra-compact padding */
    border-radius: var(--radius-sm);
    min-height: 20px; /* Compact height */
}

.breadcrumb-link:hover {
    color: var(--accent-color);
    background-color: rgba(0, 212, 170, 0.1);
    text-decoration: none;
    transform: translateX(2px);
}

.breadcrumb-link:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    background-color: rgba(0, 212, 170, 0.15);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 600;
    padding: 2px var(--space-sm); /* Ultra-compact padding */
    min-height: 20px; /* Compact height */
    display: flex;
    align-items: center;
}

/* Remove separator for active/last item */
.breadcrumb-item.active + .breadcrumb-item::before,
.breadcrumb-item:last-child::before {
    content: none;
}

/* Mobile Breadcrumbs */
@media (max-width: 768px) {
    .content-area {
        padding-top: 56px; /* Default padding for navbar */
    }
    
    /* When breadcrumb is present, let it handle the spacing */
    .content-area:has(.breadcrumb-container) {
        padding-top: 0;
    }
    
    /* Breadcrumb container acts as spacer below navbar */
    .breadcrumb-container {
        padding: 2px var(--space-sm); /* Ultra-compact: 2px vertical on mobile */
        padding-top: 58px; /* Account for 56px navbar + 2px breadcrumb padding */
        box-shadow: none; /* Clean mobile appearance */
        background: rgba(22, 27, 34, 0.95); /* Subtle background */
        backdrop-filter: blur(10px); /* Modern glass effect */
        margin: 0 calc(-1 * var(--space-sm)); /* Break out of parent padding for full width */
        padding-left: var(--space-sm); /* Restore left padding */
        padding-right: var(--space-sm); /* Restore right padding */
        position: relative; /* Normal document flow */
        z-index: 1; /* Basic stacking */
    }
    
    .breadcrumb {
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding: 2px 0 !important; /* Ultra-minimal mobile padding */
        min-height: 16px; /* Ultra-compact height on mobile */
    }
    
    .breadcrumb::-webkit-scrollbar {
        display: none;
    }
    
    .breadcrumb-item {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .breadcrumb-item + .breadcrumb-item::before {
        margin: 0 var(--space-xs); /* Reduce spacing on mobile */
        font-size: var(--font-sm);
    }
    
    .breadcrumb-link {
        font-size: var(--font-xs);
        padding: 2px var(--space-xs); /* Ultra-compact padding */
        min-height: 16px; /* Ultra-compact on mobile */
    }
    
    .breadcrumb-item.active {
        font-size: var(--font-xs);
        padding: 2px var(--space-xs); /* Ultra-compact padding */
        min-height: 16px; /* Ultra-compact on mobile */
    }
    
    /* Add visual indicator for scrollable breadcrumbs */
    .breadcrumb-container::after {
        content: '';
        position: absolute;
        right: 0;
        top: 0;
        bottom: 0;
        width: 20px;
        background: linear-gradient(90deg, transparent, var(--secondary-bg));
        pointer-events: none;
    }
}

/* ===== CONTEXTUAL HELP & PROGRESSIVE DISCLOSURE ===== */
.help-tooltip {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: help;
}

.help-icon {
    color: var(--text-muted);
    font-size: var(--font-sm);
    margin-left: var(--space-xs);
    transition: var(--transition-base);
}

.help-icon:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

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

.help-content {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: var(--elevated-bg);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    white-space: nowrap;
    max-width: 200px;
    white-space: normal;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 1000;
    line-height: 1.4;
}

.help-content::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--elevated-bg);
}

/* Progressive Disclosure Components */
.disclosure-section {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--card-bg);
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.disclosure-header {
    padding: var(--space-md) var(--space-lg);
    background: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
}

.disclosure-header:hover {
    background: var(--elevated-bg);
}

.disclosure-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-base);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.disclosure-toggle {
    color: var(--text-muted);
    font-size: var(--font-base);
    transition: var(--transition-base);
    transform: rotate(0deg);
}

.disclosure-section.expanded .disclosure-toggle {
    transform: rotate(180deg);
    color: var(--accent-color);
}

.disclosure-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
}

.disclosure-section.expanded .disclosure-content {
    max-height: 500px;
}

.disclosure-body {
    padding: var(--space-lg);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Info Panels */
.info-panel {
    background: linear-gradient(135deg, var(--info-bg) 0%, rgba(31, 111, 235, 0.02) 100%);
    border: 1px solid var(--info-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
    position: relative;
}

.info-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--info-color);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.info-panel-title {
    color: var(--info-color);
    font-weight: 600;
    font-size: var(--font-base);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.info-panel-content {
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-top: var(--space-lg);
}

.quick-action {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
    text-decoration: none;
    color: var(--text-secondary);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-sm);
    font-weight: 500;
    min-width: 120px;
    justify-content: center;
}

.quick-action:hover {
    background: var(--elevated-bg);
    color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

.quick-action i {
    font-size: var(--font-base);
}

/* Status Indicators */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-sm);
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-indicator.success {
    background: var(--success-bg);
    color: var(--success-color);
}

.status-indicator.warning {
    background: var(--warning-bg);
    color: var(--warning-color);
}

.status-indicator.danger {
    background: var(--danger-bg);
    color: var(--danger-color);
}

.status-indicator.info {
    background: var(--info-bg);
    color: var(--info-color);
}

.status-indicator.neutral {
    background: var(--card-bg);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

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

/* Container adjustments for proper content display - Data Dense */
.container-fluid {
    padding-right: var(--space-sm); /* Reduced from --space-md (12px) to --space-sm (8px) */
    padding-left: var(--space-sm);
}

.container {
    padding-right: var(--space-sm); /* Reduced from --space-md (12px) to --space-sm (8px) */
    padding-left: var(--space-sm);
}

/* Main content area adjustments */
.content-area {
    padding-top: 56px; /* Account for fixed navbar only */
    padding-left: var(--space-xs); /* Ultra-minimal: 4px for mobile */
    padding-right: var(--space-xs);
}

@media (min-width: 768px) {
    .content-area {
        margin-left: 16.66667%; /* col-md-2 equivalent */
        padding-left: var(--space-sm); /* Reduced from --space-md (12px) to --space-sm (8px) */
        padding-right: var(--space-sm); /* Significantly reduced for maximum data space */
    }
}

/* ===== ENHANCED UTILITIES ===== */
/* Import performance and PWA enhancements */
@import url("utilities/performance.56519a59d1ab.css");
@import url("utilities/pwa-enhancements.59997cd4fcd6.css");

/* ===== MODAL COMPONENTS ===== */
/* Modal backdrop and container */
.modal-backdrop {
    background-color: rgba(13, 17, 23, 0.75);
}

.modal-content {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

/* Modal header */
.modal-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.modal-title {
    color: var(--text-primary);
    font-weight: 600;
}

.modal-header .btn-close {
    background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23f0f6fc'%3e%3cpath d='m.235.267l15.497 15.497-.968.968L-.733 1.235z'/%3e%3cpath d='m15.732.267l.968.968-15.497 15.497-.968-.968z'/%3e%3c/svg%3e") center/1em auto no-repeat;
    opacity: 0.7;
}

.modal-header .btn-close:hover {
    opacity: 1;
}

/* Modal body */
.modal-body {
    background-color: var(--secondary-bg);
    color: var(--text-primary);
}

/* Modal footer */
.modal-footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
}

/* Alert components in modals */
.modal .alert {
    border-radius: var(--radius-sm);
}

.modal .alert-info {
    background-color: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.2);
    color: var(--accent-color);
}

.modal .alert-info .alert-heading {
    color: var(--accent-color);
    font-weight: 600;
}

/* Card components in modals */
.modal .card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.modal .card-header {
    background-color: var(--primary-bg);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
}

.modal .card-body {
    background-color: var(--card-bg);
    color: var(--text-secondary);
}

/* List styling in modals */
.modal .list-unstyled li {
    color: var(--text-secondary);
}

.modal .list-unstyled strong {
    color: var(--text-primary);
}

/* Icon colors in modals */
.modal .text-info {
    color: var(--accent-color) !important;
}

.modal .text-primary {
    color: var(--accent-color) !important;
}

.modal .text-success {
    color: var(--success-color) !important;
}

.modal .text-warning {
    color: var(--warning-color) !important;
}

.modal .text-danger {
    color: var(--danger-color) !important;
}

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

/* Button styling in modals */
.modal .btn-secondary {
    background-color: var(--border-color);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.modal .btn-secondary:hover {
    background-color: var(--text-muted);
    border-color: var(--text-muted);
    color: var(--primary-bg);
}

.modal .btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white !important;
}

.modal .btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: white !important;
}

/* No Trading Opportunity Modal specific styles */
#noOpportunityModal .modal-title {
    color: var(--accent-color);
}

#noOpportunityModal .modal-title .fa-info-circle {
    color: var(--accent-color);
}

/* Specific reason list styling */
#noOpportunityModal .fa-arrow-right {
    color: var(--accent-color) !important;
}

/* Action item icons */
#noOpportunityModal .fa-clock {
    color: var(--success-color) !important;
}

#noOpportunityModal .fa-sync {
    color: var(--accent-color) !important;
}

#noOpportunityModal .fa-cog {
    color: var(--warning-color) !important;
}

#noOpportunityModal .fa-chart-area {
    color: var(--accent-color) !important;
}

#noOpportunityModal .fa-lightbulb {
    color: var(--warning-color) !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .modal-dialog {
        margin: 1rem 0.5rem;
    }
    
    .modal-content {
        border-radius: var(--radius-sm);
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .modal-body .row {
        margin: 0 -0.5rem;
    }
    
    .modal-body .col-md-6 {
        padding: 0 0.5rem;
        margin-bottom: 1rem;
    }
}

/* Animation improvements */
.modal.fade .modal-dialog {
    transition: transform 0.2s ease-out;
    transform: translate(0, -50px);
}

.modal.show .modal-dialog {
    transform: none;
}

/* Focus states */
.modal .btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 212, 170, 0.25);
}

.modal .btn-close:focus {
    box-shadow: 0 0 0 0.2rem rgba(240, 246, 252, 0.25);
}

/* ===== UTILITY CLASSES ===== */
.text-gradient {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.bg-pattern {
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(0, 212, 170, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(31, 111, 235, 0.02) 0%, transparent 50%);
}

.glass-effect {
    background: rgba(33, 38, 45, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hover-lift {
    transition: var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.slide-up {
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.6s ease-out forwards;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Content Spacing - Optimized for Financial Data */
.content-section {
    padding: var(--space-md) var(--space-lg); /* Reduced content padding */
    margin-bottom: var(--space-md); /* Tighter margins */
}

.content-section:last-child {
    margin-bottom: 0;
}

/* Dense content variant */
.content-section.dense {
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-sm);
}

/* Dashboard specific adjustments */
.dashboard-section {
    padding: var(--space-sm) 0;
    margin-bottom: var(--space-md);
}

.dashboard-section:first-child {
    padding-top: var(--space-md);
}

.section-title {
    font-size: var(--font-lg); /* Smaller section titles */
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md); /* Tighter spacing */
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    line-height: 1.2;
}

.section-subtitle {
    font-size: var(--font-sm); /* Smaller subtitles */
    color: var(--text-muted);
    margin-bottom: var(--space-md); /* Tighter spacing */
    line-height: 1.4;
}

/* Responsive Utilities */
@media (max-width: 768px) {
    .mobile-stack > * {
        margin-bottom: var(--space-md);
    }
    
    .mobile-center {
        text-align: center;
    }
    
    .mobile-full-width {
        width: 100%;
    }
    
    .quick-actions {
        justify-content: center;
    }
    
    .quick-action {
        flex: 1;
        min-width: unset;
    }
}