/* ============================================
   Loan Calc Tool - Global Styles
   Prefix: lct
   Version: 1.0
   ============================================ */

/* ---- CSS Variables ---- */
:root {
  --lct-primary: #2563eb;
  --lct-primary-dark: #1d4ed8;
  --lct-secondary: #0f766e;
  --lct-accent: #f59e0b;
  --lct-bg: #f8fafc;
  --lct-card-bg: #ffffff;
  --lct-text: #1e293b;
  --lct-text-light: #64748b;
  --lct-border: #e2e8f0;
  --lct-danger: #dc2626;
  --lct-success: #16a34a;
  --lct-radius: 12px;
  --lct-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.05);
  --lct-shadow-hover: 0 4px 6px rgba(0,0,0,0.1), 0 10px 20px rgba(0,0,0,0.08);
  --lct-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --lct-max-width: 1100px;
  --lct-gap: 24px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--lct-bg);
  color: var(--lct-text);
  line-height: 1.6;
  font-size: 16px;
}

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

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

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

/* ---- Container ---- */
.lct-container {
  max-width: var(--lct-max-width);
  margin: 0 auto;
  padding: 0 var(--lct-gap);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.lct-header {
  background: var(--lct-card-bg);
  border-bottom: 1px solid var(--lct-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.lct-nav {
  max-width: var(--lct-max-width);
  margin: 0 auto;
  padding: 0 var(--lct-gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.lct-logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--lct-primary);
  letter-spacing: -0.5px;
}

.lct-logo:hover {
  color: var(--lct-primary-dark);
}

.lct-nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.lct-nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--lct-text-light);
  padding: 8px 0;
  position: relative;
}

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

.lct-nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--lct-primary);
  transition: var(--lct-transition);
}

.lct-nav-links a:hover::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.lct-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--lct-text);
  padding: 8px;
}

/* ============================================
   AD SLOTS - Dynamic Injection
   ============================================ */

.lct-ad-slot {
  width: 100%;
  min-height: 250px;
  max-height: 250px;
  margin: 32px 0;
  border-radius: var(--lct-radius);
  background: var(--lct-card-bg);
  border: 1px dashed var(--lct-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.lct-ad-slot .ad-placeholder {
  color: var(--lct-text-light);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.6;
}

.lct-ad-slot.has-content {
  border-style: solid;
  border-color: var(--lct-border);
}

/* Ad slot variations */
.lct-ad-slot[data-ad-slot="hero_top"] {
  margin-top: 0;
  margin-bottom: 24px;
}

.lct-ad-slot[data-ad-slot="article_top"] {
  margin: 24px 0 32px;
}

.lct-ad-slot[data-ad-slot="article_middle"] {
  margin: 32px 0;
}

.lct-ad-slot[data-ad-slot="article_bottom"] {
  margin: 32px 0 24px;
}

.lct-ad-slot[data-ad-slot="blog_mid"] {
  margin: 24px 0;
}

/* ============================================
   HERO SECTION
   ============================================ */

.lct-hero {
  background: linear-gradient(135deg, var(--lct-primary) 0%, var(--lct-primary-dark) 100%);
  color: white;
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.lct-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}

.lct-hero-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.15;
  letter-spacing: -1px;
}

.lct-hero-subtitle {
  font-size: 20px;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 32px;
  font-weight: 400;
}

.lct-hero-cta {
  display: inline-flex;
  gap: 16px;
  align-items: center;
}

.lct-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--lct-radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--lct-transition);
  border: none;
}

.lct-btn-primary {
  background: white;
  color: var(--lct-primary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.lct-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  color: var(--lct-primary);
}

.lct-btn-secondary {
  background: rgba(255,255,255,0.15);
  color: white;
  border: 1px solid rgba(255,255,255,0.3);
}

.lct-btn-secondary:hover {
  background: rgba(255,255,255,0.25);
  color: white;
}

/* ============================================
   TOOL CARDS - Homepage & Tools Index
   ============================================ */

.lct-section-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--lct-text);
}

.lct-section-subtitle {
  font-size: 18px;
  color: var(--lct-text-light);
  margin-bottom: 40px;
}

.lct-tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--lct-gap);
  margin-bottom: 60px;
}

/* Whole card clickable */
a.lct-tool-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

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

.lct-tool-card {
  background: var(--lct-card-bg);
  border-radius: var(--lct-radius);
  padding: 32px;
  box-shadow: var(--lct-shadow);
  transition: var(--lct-transition);
  border: 1px solid var(--lct-border);
  position: relative;
  overflow: hidden;
}

.lct-tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--lct-shadow-hover);
  border-color: var(--lct-primary);
}

.lct-tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--lct-primary);
  opacity: 0;
  transition: var(--lct-transition);
}

.lct-tool-card:hover::before {
  opacity: 1;
}

.lct-tool-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--lct-primary), var(--lct-primary-dark));
  border-radius: var(--lct-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  color: white;
}

.lct-tool-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--lct-text);
}

.lct-tool-desc {
  font-size: 15px;
  color: var(--lct-text-light);
  line-height: 1.5;
}

.lct-tool-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
  font-size: 13px;
  color: var(--lct-text-light);
}

.lct-tool-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ============================================
   ARTICLE CARDS - Blog & Homepage
   ============================================ */

.lct-article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--lct-gap);
  margin-bottom: 60px;
}

/* Whole card clickable */
a.lct-article-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

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

.lct-article-card {
  background: var(--lct-card-bg);
  border-radius: var(--lct-radius);
  overflow: hidden;
  box-shadow: var(--lct-shadow);
  transition: var(--lct-transition);
  border: 1px solid var(--lct-border);
}

.lct-article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--lct-shadow-hover);
}

.lct-article-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.lct-article-card-content {
  padding: 24px;
}

.lct-article-card-category {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--lct-primary);
  margin-bottom: 8px;
}

.lct-article-card-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--lct-text);
}

.lct-article-card-excerpt {
  font-size: 15px;
  color: var(--lct-text-light);
  line-height: 1.5;
  margin-bottom: 16px;
}

.lct-article-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--lct-text-light);
}

/* ============================================
   ARTICLE DETAIL PAGE
   ============================================ */

.lct-post-header {
  background: var(--lct-card-bg);
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--lct-border);
}

.lct-post-title {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.lct-post-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 15px;
  color: var(--lct-text-light);
  flex-wrap: wrap;
}

.lct-post-meta img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.lct-post-meta-author {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: var(--lct-text);
}

.lct-post-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 0;
  font-size: 18px;
  line-height: 1.8;
  color: var(--lct-text);
}

.lct-post-content h2 {
  font-size: 28px;
  font-weight: 700;
  margin: 48px 0 20px;
  color: var(--lct-text);
  line-height: 1.3;
}

.lct-post-content h3 {
  font-size: 22px;
  font-weight: 600;
  margin: 36px 0 16px;
  color: var(--lct-text);
}

.lct-post-content p {
  margin-bottom: 24px;
}

.lct-post-content ul, .lct-post-content ol {
  margin: 24px 0;
  padding-left: 32px;
}

.lct-post-content li {
  margin: 8px 0;
}

.lct-post-content blockquote {
  border-left: 4px solid var(--lct-primary);
  padding-left: 24px;
  margin: 32px 0;
  font-style: italic;
  color: var(--lct-text-light);
}

.lct-post-content img {
  border-radius: var(--lct-radius);
  margin: 32px 0;
  box-shadow: var(--lct-shadow);
}

/* Inline Tool Cards in Articles */
a.lct-inline-tool {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--lct-card-bg);
  border-radius: var(--lct-radius);
  margin: 32px 0;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  border: 1px solid var(--lct-border);
  transition: var(--lct-transition);
  box-shadow: var(--lct-shadow);
}

a.lct-inline-tool:hover {
  box-shadow: var(--lct-shadow-hover);
  border-color: var(--lct-primary);
  transform: translateY(-2px);
}

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

.lct-inline-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--lct-primary), var(--lct-primary-dark));
  border-radius: var(--lct-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: white;
  flex-shrink: 0;
}

.lct-inline-info {
  flex: 1;
}

.lct-inline-name {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 4px;
  color: var(--lct-text);
}

.lct-inline-desc {
  font-size: 14px;
  color: var(--lct-text-light);
}

.lct-privacy-note {
  font-size: 12px;
  color: var(--lct-text-light);
  margin-top: 8px;
  font-style: italic;
  opacity: 0.8;
}

/* Post Tail - Two Column Layout */
.lct-post-tail {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  margin: 60px 0;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  .lct-post-tail {
    grid-template-columns: 1fr;
  }
}

.lct-tail-col {
  background: var(--lct-card-bg);
  border-radius: var(--lct-radius);
  padding: 32px;
  border: 1px solid var(--lct-border);
  box-shadow: var(--lct-shadow);
  margin-bottom: 24px;
}

.lct-tail-col:hover {
  box-shadow: var(--lct-shadow-hover);
}

.lct-tail-col h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--lct-text);
}

.lct-tail-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.lct-tail-col li {
  padding: 10px 0;
  border-bottom: 1px solid var(--lct-border);
  font-size: 15px;
}

.lct-tail-col li:last-child {
  border-bottom: none;
}

.lct-tail-col a {
  color: var(--lct-primary);
  font-weight: 500;
}

.lct-tail-col a:hover {
  text-decoration: underline;
}

/* ============================================
   TOOL DETAIL PAGES
   ============================================ */

.lct-tool-page {
  background: var(--lct-card-bg);
  border-radius: var(--lct-radius);
  padding: 48px;
  margin: 40px auto;
  max-width: 800px;
  box-shadow: var(--lct-shadow);
  border: 1px solid var(--lct-border);
}

.lct-tool-page-header {
  text-align: center;
  margin-bottom: 40px;
}

.lct-tool-page-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
}

.lct-tool-page-desc {
  font-size: 18px;
  color: var(--lct-text-light);
  max-width: 600px;
  margin: 0 auto;
}

.lct-form-group {
  margin-bottom: 24px;
}

.lct-form-label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--lct-text);
}

.lct-form-input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--lct-border);
  border-radius: var(--lct-radius);
  font-size: 16px;
  font-family: inherit;
  transition: var(--lct-transition);
  background: var(--lct-bg);
}

.lct-form-input:focus {
  outline: none;
  border-color: var(--lct-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.lct-form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.lct-btn-calculate {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--lct-primary), var(--lct-primary-dark));
  color: white;
  font-size: 18px;
  font-weight: 700;
  border: none;
  border-radius: var(--lct-radius);
  cursor: pointer;
  transition: var(--lct-transition);
  margin-top: 16px;
}

.lct-btn-calculate:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.lct-btn-calculate:active {
  transform: translateY(0);
}

.lct-results {
  margin-top: 32px;
  padding: 32px;
  background: var(--lct-bg);
  border-radius: var(--lct-radius);
  border: 1px solid var(--lct-border);
  display: none;
}

.lct-results.active {
  display: block;
  animation: lctFadeIn 0.4s ease;
}

@keyframes lctFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.lct-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.lct-result-card {
  background: var(--lct-card-bg);
  padding: 24px;
  border-radius: var(--lct-radius);
  text-align: center;
  border: 1px solid var(--lct-border);
}

.lct-result-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--lct-primary);
  margin-bottom: 4px;
}

.lct-result-label {
  font-size: 13px;
  color: var(--lct-text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.lct-chart-container {
  margin-top: 32px;
  height: 300px;
  position: relative;
}

/* Tool History & Comparison */
.lct-tool-history {
  margin-top: 32px;
}

.lct-tool-history h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

.lct-history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.lct-history-table th,
.lct-history-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--lct-border);
}

.lct-history-table th {
  font-weight: 600;
  color: var(--lct-text-light);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.lct-history-table tr:hover {
  background: var(--lct-bg);
}

.lct-btn-small {
  padding: 6px 12px;
  font-size: 13px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-weight: 600;
}

.lct-btn-compare {
  background: var(--lct-primary);
  color: white;
}

.lct-btn-delete {
  background: var(--lct-danger);
  color: white;
}

.lct-btn-export {
  background: var(--lct-success);
  color: white;
  margin-top: 16px;
}

/* ============================================
   ABOUT PAGE
   ============================================ */

.lct-about-hero {
  background: linear-gradient(135deg, var(--lct-primary), var(--lct-primary-dark));
  color: white;
  padding: 80px 0 60px;
  text-align: center;
}

.lct-about-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(255,255,255,0.3);
  margin-bottom: 24px;
}

.lct-about-name {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 8px;
}

.lct-about-role {
  font-size: 18px;
  opacity: 0.9;
}

.lct-about-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 0;
}

.lct-about-content h2 {
  font-size: 28px;
  margin-bottom: 20px;
}

.lct-about-content p {
  margin-bottom: 20px;
  font-size: 18px;
  line-height: 1.8;
}

.lct-credentials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin: 40px 0;
}

.lct-credential-card {
  background: var(--lct-card-bg);
  padding: 24px;
  border-radius: var(--lct-radius);
  border: 1px solid var(--lct-border);
  box-shadow: var(--lct-shadow);
}

.lct-credential-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--lct-primary);
}

.lct-credential-card p {
  font-size: 14px;
  color: var(--lct-text-light);
  margin: 0;
}

/* ============================================
   CONTACT PAGE
   ============================================ */

.lct-contact-box {
  background: var(--lct-card-bg);
  border-radius: var(--lct-radius);
  padding: 48px;
  max-width: 600px;
  margin: 40px auto;
  text-align: center;
  border: 1px solid var(--lct-border);
  box-shadow: var(--lct-shadow);
}

.lct-contact-box h2 {
  font-size: 28px;
  margin-bottom: 16px;
}

.lct-contact-box p {
  color: var(--lct-text-light);
  margin-bottom: 24px;
}

.lct-contact-email {
  font-size: 20px;
  font-weight: 600;
  color: var(--lct-primary);
  margin-bottom: 32px;
}

.lct-contact-disclaimer {
  background: #f1f5f9;
  padding: 24px;
  border-radius: var(--lct-radius);
  font-size: 14px;
  color: var(--lct-text-light);
  line-height: 1.6;
  text-align: left;
  border-left: 4px solid var(--lct-text-light);
}

/* ============================================
   FOOTER
   ============================================ */

.lct-footer {
  background: var(--lct-text);
  color: #94a3b8;
  padding: 60px 0 30px;
  margin-top: 80px;
}

.lct-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  max-width: var(--lct-max-width);
  margin: 0 auto;
  padding: 0 var(--lct-gap);
  margin-bottom: 40px;
}

.lct-footer-col h4 {
  color: white;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}

.lct-footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.lct-footer-col li {
  margin: 10px 0;
}

.lct-footer-col a {
  color: #94a3b8;
  font-size: 14px;
  transition: var(--lct-transition);
}

.lct-footer-col a:hover {
  color: white;
}

.lct-footer-copy {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #334155;
  max-width: var(--lct-max-width);
  margin: 0 auto;
  font-size: 14px;
}

/* ============================================
   BREADCRUMB
   ============================================ */

.lct-breadcrumb {
  max-width: var(--lct-max-width);
  margin: 20px auto;
  padding: 0 var(--lct-gap);
  font-size: 14px;
  color: var(--lct-text-light);
}

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

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

.lct-breadcrumb span {
  margin: 0 8px;
  color: var(--lct-border);
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

@media (max-width: 768px) {
  .lct-nav-links {
    display: none !important;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--lct-card-bg);
    flex-direction: column !important;
    padding: 16px var(--lct-gap);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    gap: 0;
    z-index: 99;
  }

  .lct-nav-links.active {
    display: flex !important;
  }

  .lct-nav-links a {
    padding: 12px 0;
    border-bottom: 1px solid var(--lct-border);
    width: 100%;
  }

  .lct-nav-links a:last-child {
    border-bottom: none;
  }

  .lct-menu-toggle {
    display: block;
  }

  .lct-hero-title {
    font-size: 32px;
  }

  .lct-hero-subtitle {
    font-size: 16px;
  }

  .lct-post-title {
    font-size: 28px;
  }

  .lct-post-content {
    font-size: 16px;
    padding: 32px 0;
  }

  .lct-post-tail {
    flex-direction: column;
  }

  .lct-tool-grid,
  .lct-article-grid {
    grid-template-columns: 1fr;
  }

  .lct-tool-page {
    padding: 24px;
    margin: 20px auto;
  }

  .lct-footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .lct-ad-slot {
    height: 250px !important;
    min-height: 250px !important;
  }
}

@media (max-width: 480px) {
  :root {
    --lct-gap: 16px;
  }

  .lct-hero {
    padding: 60px 0 40px;
  }

  .lct-hero-title {
    font-size: 26px;
  }

  .lct-section-title {
    font-size: 24px;
  }

  .lct-post-title {
    font-size: 24px;
  }

  .lct-tool-page-title {
    font-size: 24px;
  }

  .lct-form-row {
    grid-template-columns: 1fr;
  }

  .lct-result-grid {
    grid-template-columns: 1fr 1fr;
  }

  .lct-result-value {
    font-size: 22px;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.lct-text-center {
  text-align: center;
}

.lct-mt-0 {
  margin-top: 0;
}

.lct-mb-0 {
  margin-bottom: 0;
}

.lct-hidden {
  display: none !important;
}

.lct-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

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

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


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


/* ---- Breadcrumb Align Fix ---- */
.lct-breadcrumb {
  max-width: var(--lct-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) {
  .lct-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;
  }
  .lct-nav-links.active {
    display: flex !important;
  }
  .lct-nav-links li {
    width: 100%;
    list-style: none;
  }
  .lct-nav-links a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: inherit;
  }
  .lct-nav-links a:last-child {
    border-bottom: none;
  }
}


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