/* ============================================
   BMITOOL.ORG - Global Stylesheet
   Prefix: bmi- (unique, not shared with any other site)
   Theme: Deep Purple (#7c3aed) + Orange (#f97316)
   ============================================ */

/* CSS Variables */
:root {
  --bmi-primary: #7c3aed;
  --bmi-primary-dark: #6d28d9;
  --bmi-primary-light: #a78bfa;
  --bmi-accent: #f97316;
  --bmi-accent-light: #fb923c;
  --bmi-bg: #faf5ff;
  --bmi-surface: #ffffff;
  --bmi-text: #1e1b4b;
  --bmi-text-secondary: #64748b;
  --bmi-text-muted: #94a3b8;
  --bmi-border: #e2e8f0;
  --bmi-border-light: #f1f5f9;
  --bmi-success: #10b981;
  --bmi-warning: #f59e0b;
  --bmi-danger: #ef4444;
  --bmi-info: #3b82f6;
  --bmi-radius: 8px;
  --bmi-radius-lg: 12px;
  --bmi-shadow: 0 1px 3px rgba(0,0,0,0.08);
  --bmi-shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --bmi-shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --bmi-transition: all 0.2s ease;
  --bmi-max-width: 1200px;
  --bmi-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --bmi-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--bmi-primary);
  text-decoration: none;
  transition: var(--bmi-transition);
}

a:hover {
  color: var(--bmi-primary-dark);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--bmi-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
p { margin-bottom: 1rem; }

/* Container */
.bmi-container {
  max-width: var(--bmi-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navigation */
.bmi-nav {
  background: var(--bmi-surface);
  border-bottom: 1px solid var(--bmi-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--bmi-shadow);
}

.bmi-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.bmi-nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--bmi-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.bmi-nav-logo span {
  color: var(--bmi-accent);
}

.bmi-nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.bmi-nav-links a {
  font-weight: 500;
  color: var(--bmi-text-secondary);
  padding: 0.5rem 0;
  position: relative;
}

.bmi-nav-links a:hover,
.bmi-nav-links a.active {
  color: var(--bmi-primary);
}

.bmi-nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--bmi-accent);
  border-radius: 1px;
}

.bmi-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

/* Hero Section */
.bmi-hero {
  background: linear-gradient(135deg, var(--bmi-primary) 0%, var(--bmi-primary-dark) 100%);
  color: white;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.bmi-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--bmi-accent) 0%, transparent 70%);
  opacity: 0.15;
  border-radius: 50%;
}

.bmi-hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.bmi-hero h1 {
  color: white;
  font-size: 3rem;
  margin-bottom: 1rem;
}

.bmi-hero p {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.bmi-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bmi-accent);
  color: white;
  padding: 0.875rem 2rem;
  border-radius: var(--bmi-radius);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--bmi-transition);
}

.bmi-hero-cta:hover {
  background: var(--bmi-accent-light);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--bmi-shadow-md);
}

/* Section Headers */
.bmi-section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.bmi-section-header h2 {
  color: var(--bmi-text);
  margin-bottom: 0.5rem;
}

.bmi-section-header p {
  color: var(--bmi-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Cards - Clickable Whole Card */
.bmi-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

a.bmi-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

a.bmi-card * {
  pointer-events: none;
}

.bmi-card {
  background: var(--bmi-surface);
  border: 1px solid var(--bmi-border);
  border-radius: var(--bmi-radius-lg);
  padding: 1.5rem;
  transition: var(--bmi-transition);
  position: relative;
  overflow: hidden;
}

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

.bmi-card-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--bmi-primary-light) 0%, var(--bmi-primary) 100%);
  border-radius: var(--bmi-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.bmi-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--bmi-text);
}

.bmi-card p {
  color: var(--bmi-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

.bmi-card-tag {
  display: inline-block;
  background: var(--bmi-border-light);
  color: var(--bmi-text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 1rem;
}

/* Article Cards */
a.bmi-article-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

a.bmi-article-card * {
  pointer-events: none;
}

.bmi-article-card {
  display: flex;
  gap: 1.5rem;
  background: var(--bmi-surface);
  border: 1px solid var(--bmi-border);
  border-radius: var(--bmi-radius-lg);
  padding: 1.5rem;
  transition: var(--bmi-transition);
  align-items: flex-start;
}

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

.bmi-article-thumb {
  width: 120px;
  height: 90px;
  border-radius: var(--bmi-radius);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bmi-border-light);
}

.bmi-article-content {
  flex: 1;
}

.bmi-article-content h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--bmi-text);
}

.bmi-article-content p {
  color: var(--bmi-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.bmi-article-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--bmi-text-muted);
}

/* Inline Tool Cards (Article Body) */
a.bmi-inline-tool {
  display: flex;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  border: 1px solid var(--bmi-border);
  border-radius: var(--bmi-radius);
  padding: 1rem;
  margin: 1.5rem 0;
  background: var(--bmi-border-light);
  transition: var(--bmi-transition);
  align-items: flex-start;
  gap: 1rem;
}

a.bmi-inline-tool:hover {
  box-shadow: var(--bmi-shadow-md);
  border-color: var(--bmi-primary-light);
}

a.bmi-inline-tool * {
  pointer-events: none;
}

.bmi-inline-tool-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--bmi-primary-light) 0%, var(--bmi-primary) 100%);
  border-radius: var(--bmi-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.bmi-inline-tool-content h4 {
  font-size: 1rem;
  margin: 0 0 0.25rem 0;
  color: var(--bmi-text);
}

.bmi-inline-tool-content p {
  margin: 0 0 0.5rem 0;
  font-size: 0.875rem;
  color: var(--bmi-text-secondary);
}

.bmi-inline-tool-privacy {
  font-size: 0.75rem;
  color: var(--bmi-text-muted);
  font-style: italic;
}

/* Ad Slots */
.bmi-ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 250px;
  background: linear-gradient(135deg, var(--bmi-border-light) 0%, var(--bmi-bg) 100%);
  border: 2px dashed var(--bmi-border);
  border-radius: var(--bmi-radius-lg);
  margin: 2rem 0;
  color: var(--bmi-text-muted);
  font-size: 0.875rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.bmi-ad-slot.has-content {
  /* JS loaded actual ad content - keep visible */
}

.bmi-ad-slot::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(124, 58, 237, 0.03) 10px,
    rgba(124, 58, 237, 0.03) 20px
  );
  pointer-events: none;
}

.bmi-ad-slot.has-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Footer Layout */
.bmi-footer {
  background: var(--bmi-text);
  color: var(--bmi-text-muted);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.bmi-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.bmi-footer h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.bmi-footer ul {
  list-style: none;
}

.bmi-footer ul li {
  margin-bottom: 0.5rem;
}

.bmi-footer a {
  color: var(--bmi-text-muted);
  font-size: 0.875rem;
}

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

.bmi-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
}

/* Breadcrumb */
.bmi-breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.875rem;
  color: var(--bmi-text-muted);
  margin-bottom: 1.5rem;
}

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

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

.bmi-breadcrumb-sep {
  color: var(--bmi-text-muted);
}

/* Content Layout */
.bmi-content {
  background: var(--bmi-surface);
  border-radius: var(--bmi-radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--bmi-border);
}

.bmi-content h1 {
  margin-bottom: 1rem;
}

.bmi-content h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--bmi-border-light);
}

.bmi-content h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.bmi-content p {
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.bmi-content ul, .bmi-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.bmi-content li {
  margin-bottom: 0.5rem;
}

.bmi-content blockquote {
  border-left: 4px solid var(--bmi-accent);
  padding-left: 1rem;
  margin: 1.5rem 0;
  color: var(--bmi-text-secondary);
  font-style: italic;
}

.bmi-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9375rem;
}

.bmi-content th {
  background: var(--bmi-border-light);
  padding: 0.75rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--bmi-border);
}

.bmi-content td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--bmi-border);
}

.bmi-content tr:hover {
  background: var(--bmi-bg);
}

/* Author Box */
.bmi-author-box {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  background: var(--bmi-border-light);
  border-radius: var(--bmi-radius);
  padding: 1.5rem;
  margin-top: 2rem;
}

.bmi-author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.bmi-author-info h4 {
  margin-bottom: 0.25rem;
}

.bmi-author-info p {
  font-size: 0.875rem;
  color: var(--bmi-text-secondary);
  margin-bottom: 0;
}

/* Related Articles & Recommended Tools (Article Footer) */
.bmi-article-footer {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--bmi-border-light);
}

.bmi-related-articles h3,
.bmi-recommended-tools h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.bmi-related-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.bmi-related-item {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.bmi-related-item img {
  width: 60px;
  height: 45px;
  border-radius: var(--bmi-radius);
  object-fit: cover;
}

.bmi-related-item a {
  font-weight: 600;
  font-size: 0.9375rem;
}

.bmi-related-item span {
  font-size: 0.75rem;
  color: var(--bmi-text-muted);
}

/* Tool Pages */
.bmi-tool-hero {
  background: linear-gradient(135deg, var(--bmi-primary) 0%, var(--bmi-primary-dark) 100%);
  color: white;
  padding: 3rem 0;
  text-align: center;
}

.bmi-tool-hero h1 {
  color: white;
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.bmi-tool-hero p {
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.bmi-tool-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.bmi-tool-card {
  background: var(--bmi-surface);
  border-radius: var(--bmi-radius-lg);
  padding: 2rem;
  border: 1px solid var(--bmi-border);
  margin-bottom: 2rem;
}

.bmi-tool-input-group {
  margin-bottom: 1.5rem;
}

.bmi-tool-input-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--bmi-text);
}

.bmi-tool-input-group input,
.bmi-tool-input-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--bmi-border);
  border-radius: var(--bmi-radius);
  font-size: 1rem;
  font-family: var(--bmi-font);
  transition: var(--bmi-transition);
}

.bmi-tool-input-group input:focus,
.bmi-tool-input-group select:focus {
  outline: none;
  border-color: var(--bmi-primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.bmi-tool-btn {
  background: linear-gradient(135deg, var(--bmi-primary) 0%, var(--bmi-primary-dark) 100%);
  color: white;
  border: none;
  padding: 0.875rem 2rem;
  border-radius: var(--bmi-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--bmi-transition);
  width: 100%;
}

.bmi-tool-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--bmi-shadow-md);
}

.bmi-tool-btn-secondary {
  background: var(--bmi-border-light);
  color: var(--bmi-text-secondary);
  border: 1px solid var(--bmi-border);
  padding: 0.75rem 1.5rem;
  border-radius: var(--bmi-radius);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--bmi-transition);
}

.bmi-tool-btn-secondary:hover {
  background: var(--bmi-border);
}

.bmi-tool-result {
  background: var(--bmi-border-light);
  border-radius: var(--bmi-radius);
  padding: 1.5rem;
  margin-top: 1.5rem;
  display: none;
}

.bmi-tool-result.active {
  display: block;
}

.bmi-tool-result h3 {
  margin-bottom: 1rem;
  color: var(--bmi-primary);
}

.bmi-tool-chart {
  width: 100%;
  height: 300px;
  margin: 1.5rem 0;
}

.bmi-tool-history {
  margin-top: 1.5rem;
}

.bmi-tool-history h4 {
  margin-bottom: 1rem;
}

.bmi-tool-history table {
  width: 100%;
  font-size: 0.875rem;
}

.bmi-tool-history th,
.bmi-tool-history td {
  padding: 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--bmi-border);
}

.bmi-tool-history th {
  font-weight: 600;
  color: var(--bmi-text-secondary);
}

/* Privacy Notice */
.bmi-privacy-notice {
  background: var(--bmi-bg);
  border: 1px solid var(--bmi-border);
  border-radius: var(--bmi-radius);
  padding: 1rem;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--bmi-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bmi-privacy-notice svg {
  flex-shrink: 0;
  color: var(--bmi-success);
}

/* FAQ Accordion */
.bmi-faq-item {
  border-bottom: 1px solid var(--bmi-border);
  padding: 1.5rem 0;
}

.bmi-faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: var(--bmi-text);
}

.bmi-faq-question:hover {
  color: var(--bmi-primary);
}

.bmi-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.bmi-faq-answer.active {
  max-height: 500px;
  padding-top: 1rem;
}

/* 404 Page */
.bmi-404 {
  text-align: center;
  padding: 6rem 0;
}

.bmi-404 h1 {
  font-size: 6rem;
  color: var(--bmi-primary);
  margin-bottom: 1rem;
}

.bmi-404 p {
  font-size: 1.25rem;
  color: var(--bmi-text-secondary);
  margin-bottom: 2rem;
}

/* Contact Page */
.bmi-contact-info {
  background: var(--bmi-border-light);
  border-radius: var(--bmi-radius);
  padding: 1.5rem;
  margin-top: 2rem;
}

.bmi-contact-info p {
  margin-bottom: 0.75rem;
}

.bmi-contact-info a {
  color: var(--bmi-primary);
  font-weight: 600;
}

.bmi-contact-disclaimer {
  background: var(--bmi-bg);
  border-left: 4px solid var(--bmi-warning);
  padding: 1.5rem;
  margin-top: 2rem;
  border-radius: 0 var(--bmi-radius) var(--bmi-radius) 0;
}

.bmi-contact-disclaimer p {
  margin-bottom: 0;
  font-size: 0.9375rem;
  color: var(--bmi-text-secondary);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .bmi-article-footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .bmi-nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bmi-surface);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--bmi-border);
    box-shadow: var(--bmi-shadow);
  }

  .bmi-nav-links.active {
    display: flex;
  }

  .bmi-nav-toggle {
    display: block;
  }

  .bmi-hero h1 {
    font-size: 2rem;
  }

  .bmi-hero p {
    font-size: 1rem;
  }

  .bmi-card-grid {
    grid-template-columns: 1fr;
  }

  .bmi-article-card {
    flex-direction: column;
  }

  .bmi-article-thumb {
    width: 100%;
    height: 200px;
  }

  .bmi-content {
    padding: 1.5rem;
  }

  h1 { font-size: 1.875rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .bmi-author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  a.bmi-inline-tool {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .bmi-container {
    padding: 0 1rem;
  }

  .bmi-hero {
    padding: 2.5rem 0;
  }

  .bmi-tool-container {
    padding: 1rem;
  }

  .bmi-tool-card {
    padding: 1.5rem;
  }
}

/* Print Styles */
@media print {
  .bmi-nav,
  .bmi-ad-slot,
  .bmi-footer {
    display: none !important;
  }

  .bmi-content {
    border: none;
    padding: 0;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus Styles */
*:focus-visible {
  outline: 2px solid var(--bmi-primary);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background: var(--bmi-primary-light);
  color: white;
}

/* === Post Template V3.0 CSS Injection for bmi === */


.bmi-ad-slot.has-content {
  display: flex;
}
.bmi-post-header {
  margin-bottom: 24px;
}
.bmi-post-header h1 {
  font-size: 2.2rem;
  line-height: 1.3;
  margin-bottom: 12px;
}
.bmi-post-meta {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.bmi-category-badge {
  display: inline-block;
  padding: 4px 12px;
  background: #e8f0fe;
  color: #1a73e8;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}
.bmi-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.bmi-post-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}
.bmi-post-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #333;
}
.bmi-post-content p {
  margin-bottom: 1.2em;
}
.bmi-post-content h2 {
  font-size: 1.6rem;
  margin-top: 2em;
  margin-bottom: 0.8em;
}
.bmi-post-content h3 {
  font-size: 1.3rem;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
}
.bmi-post-footer {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  max-width: 800px;
  margin: 40px auto 0;
  padding: 0 20px;
}
@media (max-width: 768px) {
  .bmi-post-footer {
    grid-template-columns: 1fr;
  }
}
.bmi-related-articles h3,
.bmi-recommended-tools h3 {
  font-size: 1.2rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #eee;
}
.bmi-related-list,
.bmi-tool-rec-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bmi-related-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  padding: 16px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #eee;
  transition: box-shadow 0.2s, transform 0.2s;
}
.bmi-related-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.bmi-related-card * {
  pointer-events: none;
}
.bmi-related-card h4 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: #1a73e8;
}
.bmi-related-card p {
  font-size: 0.85rem;
  color: #666;
  margin: 0;
}
.bmi-author-box {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: #f8f9fa;
  border-radius: 12px;
  margin: 32px 0;
  align-items: flex-start;
}
@media (max-width: 768px) {
  .bmi-author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}
.bmi-author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.bmi-author-info {
  flex: 1;
}
.bmi-author-name {
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.bmi-author-title {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 8px;
}
.bmi-author-bio {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #444;
  margin-bottom: 8px;
}
.bmi-author-location {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 8px;
}
.bmi-author-bio-link {
  font-size: 0.9rem;
  color: #1a73e8;
  text-decoration: none;
}
.bmi-author-bio-link:hover {
  text-decoration: underline;
}


/* ---- Navigation Container Fix ---- */
.bmi-nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--bmi-max-width, 1200px);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
  box-sizing: border-box;
}


/* ---- Breadcrumb Align Fix ---- */
.bmi-breadcrumb {
  max-width: var(--bmi-max-width, 1200px);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  width: 100%;
  box-sizing: border-box;
}


/* ---- Mobile Menu Active Fix ---- */
@media (max-width: 768px) {
  .bmi-nav-links {
    display: none !important;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 1rem 1.5rem;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    z-index: 999;
  }
  .bmi-nav-links.active {
    display: flex !important;
  }
  .bmi-nav-links li {
    width: 100%;
    list-style: none;
  }
  .bmi-nav-links a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: inherit;
  }
  .bmi-nav-links a:last-child {
    border-bottom: none;
  }
}


/* ---- Hamburger Button Fix ---- */
.bmi-nav-hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}
@media (max-width: 768px) {
  .bmi-nav-hamburger {
    display: block !important;
  }
}