/* ==========================================================================
   Personal Finance - Global Financial Journal Stylesheet
   Modern, SEO-friendly, Light & Dark Theme Design
   ========================================================================== */

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-heading: 'Merriweather', Georgia, serif;

    /* Light Mode Variables */
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --bg-nav: rgba(255, 255, 255, 0.95);
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --brand-primary: #0284c7;
    --brand-primary-hover: #0369a1;
    --brand-accent: #10b981;
    --ticker-bg: #0f172a;
    --ticker-text: #e2e8f0;
    --hero-gradient: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 50%, #f8fafc 100%);
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
}

[data-bs-theme="dark"] {
    /* Dark Mode Variables */
    --bg-page: #0b0f19;
    --bg-card: #111827;
    --bg-nav: rgba(17, 24, 39, 0.95);
    --border-color: #1f2937;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --brand-primary: #38bdf8;
    --brand-primary-hover: #7dd3fc;
    --brand-accent: #34d399;
    --ticker-bg: #030712;
    --ticker-text: #94a3b8;
    --hero-gradient: linear-gradient(135deg, #0f172a 0%, #111827 50%, #0b0f19 100%);
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 12px 20px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
}

/* Base Elements */
body {
    background-color: var(--bg-page);
    color: var(--text-primary);
    font-family: var(--font-sans);
    transition: background-color 0.25s ease, color 0.25s ease;
    overflow-x: hidden;
    line-height: 1.65;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.article-body h2, .article-body h3 {
    font-family: var(--font-heading);
}

/* Ticker Bar */
.market-ticker-bar {
    background-color: var(--ticker-bg);
    color: var(--ticker-text);
    font-size: 0.8rem;
    overflow: hidden;
    white-space: nowrap;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1.25rem;
    font-weight: 500;
}

.ticker-up {
    color: #4ade80;
}

.ticker-down {
    color: #f87171;
}

/* Header & Navbar */
.site-navbar {
    background-color: var(--bg-nav) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.03em;
    color: var(--text-primary) !important;
}

.brand-logo-img {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.2);
    transition: transform 0.2s ease;
}

.navbar-brand:hover .brand-logo-img {
    transform: scale(1.06);
}

.brand-dot {
    color: var(--brand-accent);
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 0.9rem !important;
    transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--brand-primary) !important;
}

/* Hero Section */
.hero-section {
    background: var(--hero-gradient);
    border-bottom: 1px solid var(--border-color);
    padding: 4.5rem 0 3.5rem;
}

/* Cards & Blog Grid */
.blog-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color) !important;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--brand-primary) !important;
}

.blog-title-link {
    color: var(--text-primary);
    transition: color 0.2s ease;
}

.blog-title-link:hover {
    color: var(--brand-primary) !important;
}

.line-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Filter Pills */
.category-pill {
    cursor: pointer;
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-secondary);
    padding: 0.45rem 1.15rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
    user-select: none;
}

.category-pill:hover {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

.category-pill.active {
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
    color: #ffffff !important;
}

/* Article Styling */
.blog-article {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--card-shadow);
}

@media (max-width: 768px) {
    .blog-article {
        padding: 1.5rem;
    }
}

.article-body {
    font-size: 1.075rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.article-body p {
    margin-bottom: 1.4rem;
}

/* Reading Progress Bar */
#reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
    z-index: 1050;
    width: 0%;
    transition: width 0.1s linear;
}

/* Theme Switcher Button */
.theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

/* Footer */
.site-footer {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    margin-top: 5rem;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--brand-primary);
}

/* Stock Blog Image Card Styling */
.blog-card-img-link img {
  transition: transform 0.3s ease;
}
.blog-card:hover .blog-card-img-link img {
  transform: scale(1.05);
}