/* 
 * LQ45 AI Stock Forecasting - Custom Fintech Design System
 * Dark Mode Theme with Glassmorphism, Tabular Digits, & Micro-animations
 */

:root {
    --bg-base: #0a0e14;
    --bg-surface: #111722;
    --bg-surface-elevated: #161f2c;
    --border-color: #212c3d;
    --border-color-light: #2c3b52;
    
    --primary: #00b4d8;
    --primary-hover: #48cae4;
    --primary-glow: rgba(0, 180, 216, 0.15);
    
    --positive: #10b981;
    --positive-bg: rgba(16, 185, 129, 0.12);
    --positive-border: rgba(16, 185, 129, 0.3);
    
    --negative: #f43f5e;
    --negative-bg: rgba(244, 63, 94, 0.12);
    --negative-border: rgba(244, 63, 94, 0.3);

    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --warning-border: rgba(245, 158, 11, 0.3);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --font-ui: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-ui);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Tabular Mono Font for Numbers */
.font-tabular {
    font-family: var(--font-mono);
    font-feature-settings: "tnum" 1;
    letter-spacing: -0.02em;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-color-light);
}

/* Navbar */
.navbar-custom {
    background-color: rgba(17, 23, 34, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    z-index: 1030;
}

.brand-badge {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #00b4d8 0%, #0077b6 100%);
    color: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 0 15px rgba(0, 180, 216, 0.4);
}

.brand-text {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: #fff;
}

.brand-highlight {
    color: var(--primary);
    font-weight: 700;
}

.navbar-nav .nav-link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 0.85rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.05);
}

.navbar-nav .nav-link.active {
    color: var(--primary);
}

/* Search Trigger Button */
.btn-search-trigger {
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 0.4rem 0.85rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn-search-trigger:hover {
    border-color: var(--primary);
    color: #fff;
    background-color: rgba(0, 180, 216, 0.08);
}

.shortcut-kbd {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.72rem;
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    font-family: var(--font-mono);
}

/* Disclaimer Strip */
.disclaimer-strip {
    background-color: #0d121a;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.8rem;
}

/* Cards & Surface */
.content-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-color-light);
}

.stock-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.2s ease;
}

.stock-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 180, 216, 0.12);
}

.card-dashboard-glow {
    background: linear-gradient(145deg, #131c29 0%, #0d141e 100%);
    border: 1px solid var(--border-color);
    box-shadow: 0 0 35px rgba(0, 180, 216, 0.06);
}

.hero-banner {
    background: radial-gradient(circle at 80% 20%, rgba(0, 180, 216, 0.1) 0%, transparent 60%),
                linear-gradient(180deg, #111822 0%, #0c1117 100%);
    border: 1px solid var(--border-color);
}

.text-gradient {
    background: linear-gradient(90deg, #48cae4 0%, #0077b6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Pulse Dot */
.pulse-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 7px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* Colors & Returns */
.text-positive {
    color: var(--positive) !important;
}

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

.icon-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

/* Regime Badges */
.badge-regime-low {
    background-color: var(--positive-bg);
    color: var(--positive);
    border: 1px solid var(--positive-border);
    font-weight: 600;
    font-size: 0.72rem;
    padding: 0.35rem 0.6rem;
    border-radius: 6px;
    letter-spacing: 0.03em;
}

.badge-regime-med {
    background-color: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning-border);
    font-weight: 600;
    font-size: 0.72rem;
    padding: 0.35rem 0.6rem;
    border-radius: 6px;
    letter-spacing: 0.03em;
}

.badge-regime-high {
    background-color: var(--negative-bg);
    color: var(--negative);
    border: 1px solid var(--negative-border);
    font-weight: 600;
    font-size: 0.72rem;
    padding: 0.35rem 0.6rem;
    border-radius: 6px;
    letter-spacing: 0.03em;
}

/* Progress Thin */
.progress-thin {
    height: 6px;
    border-radius: 3px;
}

/* Stock Ticker Links */
.stock-ticker-link {
    font-family: var(--font-mono);
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    font-size: 1.05rem;
    transition: color 0.15s ease;
}

.stock-ticker-link:hover {
    color: var(--primary);
}

/* Tables */
.table-dark {
    --bs-table-bg: transparent;
    --bs-table-hover-bg: rgba(255, 255, 255, 0.03);
}

.table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
}

.table td {
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
}

/* Chart Container & Legend */
.chart-viewport {
    position: relative;
    background-color: #0b1017;
    border-radius: 8px;
    overflow: hidden;
}

.legend-color-box {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    margin-right: 4px;
    vertical-align: middle;
}

/* Search Modal */
.modal-search-content {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.search-input-group {
    border-bottom: 1px solid var(--border-color);
}

.search-results-list .list-group-item {
    background-color: transparent;
    border: 0;
    border-radius: 8px;
    color: #fff;
    padding: 0.75rem 1rem;
    margin-bottom: 2px;
    transition: background-color 0.15s ease;
}

.search-results-list .list-group-item:hover,
.search-results-list .list-group-item.active {
    background-color: var(--bg-surface-elevated);
    color: var(--primary);
}

/* Footer */
.footer-custom {
    background-color: #090c10;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.15s ease;
    display: inline-block;
    padding: 0.25rem 0;
}

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

.disclaimer-box {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #0a0e14;
    font-weight: 600;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #0a0e14;
}

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

.btn-outline-secondary:hover {
    border-color: var(--text-secondary);
    background-color: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.btn-outline-secondary.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #0a0e14;
}

/* Pagination */
.pagination-dark .page-link {
    background-color: var(--bg-surface);
    border-color: var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.pagination-dark .page-link:hover {
    background-color: var(--bg-surface-elevated);
    border-color: var(--primary);
    color: #fff;
}

.pagination-dark .page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #0a0e14;
    font-weight: bold;
}

/* ==========================================================================
   UI Hardening: Accessibility, Data Freshness & Mobile Responsive Styles
   ========================================================================== */

/* Accessibility: Visible Focus States */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
.form-control:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--primary) !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 10px rgba(0, 180, 216, 0.4) !important;
}

/* Data Freshness Indicator */
.badge-freshness {
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.3rem 0.65rem;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* Empty State Card */
.empty-state-card {
    background-color: var(--bg-surface);
    border: 1px dashed var(--border-color-light);
    border-radius: 12px;
    padding: 3rem 1.5rem;
    text-align: center;
}

/* Stale Data & Fallback Warning Ribbon */
.alert-notice {
    background-color: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.25);
    color: #fcd34d;
    border-radius: 8px;
    padding: 0.85rem 1.15rem;
    font-size: 0.85rem;
}

/* Mobile Usability & Responsive Enhancements */
@media (max-width: 768px) {
    .chart-viewport {
        height: 320px !important;
    }
    
    .hero-banner {
        padding: 1.5rem 1rem !important;
    }

    .hero-banner h1 {
        font-size: 1.75rem;
    }

    .stat-card {
        padding: 0.85rem !important;
    }

    .table-responsive {
        -webkit-overflow-scrolling: touch;
    }

    .table-responsive::-webkit-scrollbar {
        height: 4px;
    }

    .btn-search-trigger span {
        display: none;
    }

    .btn-search-trigger .shortcut-kbd {
        display: none;
    }
}

/* Mathematical Formula Layout & Typography */
.math-card {
    background: radial-gradient(circle at top left, rgba(0, 180, 216, 0.04), rgba(17, 23, 34, 0.95));
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.math-formula-box {
    background: rgba(10, 14, 20, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.15rem 1.25rem;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.35);
}

.math-fraction {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    vertical-align: middle;
    margin: 0 0.4rem;
}

.math-num {
    border-bottom: 1.5px solid #64748b;
    padding: 0 0.6rem 0.25rem 0.6rem;
    text-align: center;
}

.math-denom {
    padding-top: 0.25rem;
    text-align: center;
}

.math-var {
    font-family: "Cambria Math", "Georgia", "Times New Roman", serif;
    font-style: italic;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: #38bdf8;
}

.math-var-sub {
    font-family: var(--font-mono);
    font-size: 0.78em;
    vertical-align: sub;
    font-style: normal;
    color: #94a3b8;
}

.math-legend-item {
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Professional Chart HUD & Controls */
.chart-card-pro {
    background: #0f151f;
    border: 1px solid var(--border-color);
}

.chart-hud {
    background: rgba(11, 16, 23, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    backdrop-filter: blur(8px);
    font-size: 0.8rem;
    min-height: 36px;
}

.chart-range-btn-group .btn {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.28rem 0.75rem;
    border-color: var(--border-color);
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.02);
}

.chart-range-btn-group .btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.chart-range-btn-group .btn.active {
    background: #00b4d8;
    border-color: #00b4d8;
    color: #080c12;
    font-weight: 700;
    box-shadow: 0 0 10px rgba(0, 180, 216, 0.35);
}

.chart-toggle-btn {
    font-size: 0.73rem;
    font-weight: 600;
    padding: 0.22rem 0.55rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.chart-toggle-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    border-color: #475569;
}

.chart-toggle-btn.active {
    background: rgba(0, 180, 216, 0.15);
    border-color: #00b4d8;
    color: #38bdf8;
}

.chart-toggle-btn.active-ma20 {
    background: rgba(245, 158, 11, 0.15);
    border-color: #f59e0b;
    color: #fbbf24;
}

.chart-toggle-btn.active-ma50 {
    background: rgba(168, 85, 247, 0.15);
    border-color: #a855f7;
    color: #c084fc;
}

/* Multi-Horizon Projection UI */
.nav-pills-horizon .nav-link {
    color: var(--text-secondary);
    border-radius: 6px;
    font-size: 0.76rem;
    font-weight: 600;
    transition: all 0.15s ease;
}

.nav-pills-horizon .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.nav-pills-horizon .nav-link.active {
    background: #00b4d8;
    color: #080c12;
    font-weight: 700;
    box-shadow: 0 0 12px rgba(0, 180, 216, 0.35);
}

.range-box-info {
    background: rgba(10, 14, 20, 0.7);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.65rem 0.85rem;
}