/* 
 * ShortAssets - shadcn-inspired Professional Theme
 */

:root {
    /* Core Colors */
    --color-bg: #ffffff;
    --color-bg-subtle: #f8fafc;
    --color-bg-muted: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-strong: #cbd5e1;
    
    /* Text */
    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;
    
    /* Primary */
    --color-primary: #0f172a;
    --color-primary-hover: #1e293b;
    --color-primary-foreground: #ffffff;
    
    /* Status */
    --color-success: #22c55e;
    --color-success-bg: #f0fdf4;
    --color-danger: #ef4444;
    --color-danger-bg: #fef2f2;
    --color-warning: #f59e0b;
    --color-warning-bg: #fffbeb;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
    
    /* Spacing & Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Utilities */
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-muted { color: var(--color-text-muted); }
.text-red { color: var(--color-danger); }
.text-green { color: var(--color-success); }

/* Risk Banner */
.risk-banner {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    text-align: center;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-bottom: 1px solid #fecaca;
}

.risk-banner span {
    font-weight: 700;
}

.risk-banner a {
    text-decoration: underline;
    font-weight: 600;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-wrapper {
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
}

.logo-icon {
    width: 28px;
    height: 28px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-links a {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: all 0.15s;
}

.nav-links a:hover {
    background: var(--color-bg-muted);
    color: var(--color-text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    height: 2.5rem;
    padding: 0 1rem;
    transition: all 0.15s;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-primary-foreground);
}

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

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

.btn-outline:hover {
    background: var(--color-bg-muted);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    background: var(--color-bg-muted);
    color: var(--color-text);
}

.btn-sm {
    height: 2rem;
    padding: 0 0.75rem;
    font-size: 0.75rem;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 9999px;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-red {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.badge-gray {
    background: var(--color-bg-muted);
    color: var(--color-text-secondary);
}

.badge-outline {
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

/* Leverage Badges */
.leverage-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
}

.leverage-1x {
    background: var(--color-bg-muted);
    color: var(--color-text-secondary);
}

.leverage-2x {
    background: #fef3c7;
    color: #92400e;
}

.leverage-3x {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

/* Hero */
.hero {
    padding: 4rem 0 3rem;
    text-align: center;
}

.hero .badge {
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}



/* Sections */
.section {
    padding: 3rem 0;
}

.section-muted {
    background: var(--color-bg-subtle);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.stat-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
}

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

.stat-item {
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 0.125rem;
}

.stat-ticker {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.875rem;
}

.stat-vs {
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

.stat-values {
    display: flex;
    justify-content: space-between;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border);
}

.stat-value {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.125rem;
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.category-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all 0.2s;
}

.category-card:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.category-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.category-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.category-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

/* Data Table */
.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th {
    text-align: left;
    padding: 0.75rem 1rem;
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-border);
}

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

.data-table tr:hover {
    background: var(--color-bg-subtle);
}

.ticker-cell {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1rem;
}

/* Leverage Explainer */
.leverage-explainer {
    max-width: 600px;
    margin: 0 auto;
}

.leverage-explainer h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.leverage-bars {
    margin-bottom: 2rem;
}

.bar-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.bar-label {
    width: 120px;
    font-size: 0.875rem;
    font-weight: 500;
}

.bar-container {
    flex: 1;
    height: 24px;
    background: var(--color-bg-muted);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.bar {
    height: 100%;
    border-radius: var(--radius-sm);
}

.bar-green {
    background: var(--color-success);
}

.bar-value {
    width: 50px;
    font-family: var(--font-mono);
    font-weight: 600;
    text-align: right;
}

/* Callout */
.callout {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--radius-lg);
    border: 1px solid;
}

.callout-warning {
    background: var(--color-warning-bg);
    border-color: #fde68a;
}

.callout-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.callout-content h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.callout-content p {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

/* Learn Grid */
.learn-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.learn-card {
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all 0.2s;
}

.learn-card:hover {
    border-color: var(--color-border-strong);
    background: var(--color-bg);
}

.learn-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.learn-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Footer */
.footer {
    border-top: 1px solid var(--color-border);
    padding: 3rem 0 2rem;
    margin-top: 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h5 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-col a {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.footer-col a:hover {
    color: var(--color-text);
}

.footer-disclaimer {
    background: var(--color-danger-bg);
    border: 1px solid #fecaca;
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin-bottom: 2rem;
}

.footer-disclaimer p {
    font-size: 0.75rem;
    color: var(--color-danger);
    line-height: 1.5;
}

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

/* Page Header (for inner pages) */
.page-header {
    padding: 3rem 0 2rem;
    border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.breadcrumb a:hover {
    color: var(--color-text);
}

/* Instrument Detail Page */
.instrument-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
    padding: 2rem 0;
}

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

.instrument-ticker {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.instrument-name {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
}

.instrument-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.instrument-stat h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.instrument-stat p {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
}

/* Content Sections */
.content-section {
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-border);
}

.content-section:last-child {
    border-bottom: none;
}

.content-section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.content-section p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.content-section ul {
    list-style: none;
    padding: 0;
}

.content-section li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-secondary);
}

.content-section li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-text-muted);
}

/* Similar Instruments */
.similar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.similar-card {
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    transition: all 0.15s;
}

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

.similar-card .ticker {
    font-family: var(--font-mono);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.similar-card .name {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

/* FAQ */
.faq-list {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

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

.faq-question {
    padding: 1rem 1.25rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question:hover {
    background: var(--color-bg-subtle);
}

.faq-answer {
    padding: 0 1.25rem 1rem;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

/* Filter Buttons */
.filter-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    cursor: pointer;
    transition: all 0.15s;
}

.filter-btn:hover {
    background: var(--color-bg-muted);
}

.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-primary-foreground);
    border-color: var(--color-primary);
}

/* Disclaimer Page */
.disclaimer-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 0;
}

.disclaimer-content h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.disclaimer-content h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.disclaimer-content p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.disclaimer-content ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.disclaimer-content li {
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}