/* Dark Theme - Professional Trading Portfolio */
:root {
    --primary-bg: #0a0e1a;
    --secondary-bg: #151b2e;
    --card-bg: #1a2332;
    --border-color: #2d3748;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-purple: #8b5cf6;
    --accent-orange: #f59e0b;
}

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

html {
    margin: 0;
    padding: 0;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    position: relative;
    width: 100%;
}

/* Navigation */
.navbar {
    background-color: var(--secondary-bg) !important;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary) !important;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-blue) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #1e3a8a 0%, #7c3aed 100%);
    padding: 5rem 0;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.hero-section .lead {
    font-size: 1.3rem;
    opacity: 0.95;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-primary);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
}

.card-header {
    border-bottom: 1px solid var(--border-color);
    border-radius: 12px 12px 0 0 !important;
}

.card-body {
    padding: 2rem;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.btn-success {
    background-color: var(--accent-green);
    color: white;
}

.btn-success:hover {
    background-color: #059669;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.3);
}

.btn-warning {
    background-color: var(--accent-orange);
    color: white;
}

.btn-warning:hover {
    background-color: #d97706;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(245, 158, 11, 0.3);
}

.btn-info {
    background-color: #06b6d4;
    color: white;
}

.btn-info:hover {
    background-color: #0891b2;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(6, 182, 212, 0.3);
}

.btn-light {
    background-color: white;
    color: #1e3a8a;
}

.btn-light:hover {
    background-color: #f1f5f9;
    transform: translateY(-2px);
}

/* Section Styling */
.bg-light {
    background-color: var(--secondary-bg) !important;
}

.container {
    padding: 2rem 1rem;
}

/* Text Colors */
.text-muted {
    color: var(--text-secondary) !important;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
}

/* Table */
.table {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.table thead {
    background-color: var(--secondary-bg);
    border-color: var(--border-color);
}

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

.table-bordered {
    border-color: var(--border-color);
}

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

/* Alerts */
.alert {
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.alert-info {
    background-color: rgba(6, 182, 212, 0.1);
    border-color: #06b6d4;
    color: #06b6d4;
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
    color: #ef4444;
}

/* Accordion */
.accordion {
    --bs-accordion-bg: var(--card-bg);
    --bs-accordion-border-color: var(--border-color);
    --bs-accordion-btn-bg: var(--card-bg);
    --bs-accordion-active-bg: var(--secondary-bg);
    --bs-accordion-active-color: var(--text-primary);
    --bs-accordion-btn-color: var(--text-primary);
}

.accordion-button:not(.collapsed) {
    color: var(--text-primary);
    background-color: var(--secondary-bg);
}

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

/* Footer */
footer {
    background-color: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    margin-top: 3rem;
    padding: 3rem 0;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-blue);
}

.disclaimer {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 2rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.disclaimer h6 {
    color: var(--accent-orange);
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Code blocks */
code {
    background-color: var(--secondary-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--accent-blue);
}

/* Form elements */
.form-control, .form-select {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    background-color: var(--card-bg);
    border-color: var(--accent-blue);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

.form-label {
    color: var(--text-primary);
    font-weight: 500;
}

/* Utility classes */
.shadow-lg {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}