/* ==========================================================================
   SaveInDrive Editorial & Knowledge Hub Stylesheet
   Designed for high-ranking SEO landing pages and comprehensive guides
   ========================================================================== */

/* Article Layout Container */
.article-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 20px 80px 20px;
}

/* Breadcrumb Navigation */
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.article-breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition-fast);
}

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

.breadcrumb-separator {
  color: var(--border-focus);
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 600;
}

/* Article Hero Header */
.article-header {
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 32px;
}

.article-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}

.badge-error-fix {
  background: #FEF2F2;
  color: #DC2626;
  border: 1px solid #FECACA;
}

.badge-cloud-transfer {
  background: #EFF6FF;
  color: #2563EB;
  border: 1px solid #BFDBFE;
}

.badge-batch-folders {
  background: #FFFBEB;
  color: #D97706;
  border: 1px solid #FDE68A;
}

.badge-remote-url {
  background: #ECFDF5;
  color: #059669;
  border: 1px solid #A7F3D0;
}

.badge-privacy {
  background: #F5F3FF;
  color: #7C3AED;
  border: 1px solid #DDD6FE;
}

.article-title {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 0 0 16px 0;
}

.article-lead {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 20px 0;
}

/* Author & Trust Signals Bar */
.article-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}

.article-author-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563EB, #059669);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

.author-text {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.author-role {
  font-size: 11.5px;
  color: var(--text-muted);
}

.article-reading-stats {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12.5px;
  color: var(--text-muted);
}

.stat-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.verified-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #ECFDF5;
  color: #059669;
  border: 1px solid #A7F3D0;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

/* Article Main Grid with Sticky TOC */
.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
  align-items: start;
}

/* Main Content Body */
.article-body {
  min-width: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: #334155;
}

.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 38px 0 16px 0;
  padding-top: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  scroll-margin-top: 90px;
}

.article-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 28px 0 12px 0;
  scroll-margin-top: 90px;
}

.article-body p {
  margin: 0 0 18px 0;
}

.article-body ul, 
.article-body ol {
  margin: 0 0 20px 0;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body strong {
  color: var(--text-primary);
}

/* In-Article Interactive Live CTA Card */
.article-interactive-cta {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(5, 150, 105, 0.05) 100%);
  border: 1.5px solid var(--blue-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 28px 0;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.08);
  position: relative;
  overflow: hidden;
}

.article-interactive-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #2563EB, #10B981, #F59E0B);
}

.cta-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.cta-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.cta-tag {
  font-size: 10.5px;
  font-weight: 700;
  color: #2563EB;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.cta-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.cta-input-group {
  display: flex;
  gap: 8px;
}

.cta-input {
  flex: 1;
  padding: 11px 16px;
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-md);
  font-size: 13.5px;
  color: var(--text-primary);
  background: #FFFFFF;
  outline: none;
  transition: all var(--transition-fast);
}

.cta-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-soft);
}

.cta-btn {
  padding: 11px 20px;
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.4);
}

/* Callout Boxes */
.callout {
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 22px 0;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.6;
}

.callout-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.callout-tip {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  color: #1E40AF;
}

.callout-warning {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  color: #92400E;
}

.callout-success {
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  color: #065F46;
}

/* Step Walkthrough Cards */
.article-step-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 24px 0 32px 0;
}

.article-step-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.03);
  position: relative;
  transition: all var(--transition-fast);
}

.article-step-card:hover {
  border-color: var(--blue-border);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.06);
}

.step-header-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.step-num-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
  flex-shrink: 0;
}

.step-heading {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.step-content {
  color: var(--text-secondary);
  font-size: 14.5px;
  line-height: 1.65;
  margin-left: 46px;
}

.step-code-preview {
  background: #0F172A;
  color: #E2E8F0;
  padding: 12px 16px;
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12.5px;
  margin-top: 10px;
  overflow-x: auto;
}

/* Comparison Tables in Articles */
.article-table-wrap {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 24px 0 32px 0;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.03);
}

.article-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  text-align: left;
  font-size: 13.5px;
}

.article-table th,
.article-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.article-table th {
  background: #F8FAFC;
  font-weight: 700;
  color: var(--text-primary);
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

.article-table th.col-highlight,
.article-table td.col-highlight {
  background: #F8FAFF;
  border-left: 1px solid var(--blue-border);
  border-right: 1px solid var(--blue-border);
}

.article-table th.col-highlight {
  background: #EFF6FF;
  color: var(--blue);
}

/* Sticky Table of Contents Sidebar */
.article-sidebar {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.toc-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03);
}

.toc-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-primary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-list a {
  font-size: 12.5px;
  color: var(--text-secondary);
  text-decoration: none;
  line-height: 1.45;
  transition: all var(--transition-fast);
  display: block;
  padding-left: 8px;
  border-left: 2px solid transparent;
}

.toc-list a:hover {
  color: var(--blue);
  border-left-color: var(--blue);
}

.sidebar-cta-card {
  background: linear-gradient(135deg, #1E293B, #0F172A);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.15);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-cta-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin: 0;
  color: #FFFFFF;
}

.sidebar-cta-card p {
  font-size: 12.5px;
  color: #94A3B8;
  line-height: 1.5;
  margin: 0;
}

.sidebar-cta-btn {
  background: linear-gradient(135deg, #2563EB, #10B981);
  color: #FFFFFF;
  text-align: center;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  display: inline-block;
}

.sidebar-cta-btn:hover {
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

/* Related Guides Section */
.related-guides-section {
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}

.related-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.related-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.related-card:hover {
  transform: translateY(-2px);
  border-color: var(--blue-border);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.08);
}

.related-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 7px;
  border-radius: 6px;
  width: fit-content;
}

.related-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  margin: 0;
}

.related-card-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

/* Knowledge Hub Guides Index Page Styles */
.hub-hero {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 40px auto;
}

.hub-title {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 0 0 14px 0;
}

.hub-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 28px 0;
}

.hub-search-wrap {
  display: flex;
  gap: 8px;
  max-width: 540px;
  margin: 0 auto;
}

.hub-search-input {
  flex: 1;
  padding: 12px 18px;
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-md);
  font-size: 14px;
  background: #FFFFFF;
  outline: none;
}

.hub-search-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-soft);
}

.hub-filter-pills {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.filter-pill {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  background: #FFFFFF;
  border: 1px solid var(--border);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.filter-pill.active,
.filter-pill:hover {
  background: #EFF6FF;
  color: #2563EB;
  border-color: #BFDBFE;
}

.hub-guides-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.hub-guide-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03);
  transition: all var(--transition-fast);
}

.hub-guide-card:hover {
  transform: translateY(-3px);
  border-color: var(--blue-border);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.1);
}

.hub-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hub-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  margin: 0;
}

.hub-card-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
  flex: 1;
}

.hub-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

.read-more-link {
  color: var(--blue);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Responsive Breakpoints System */
@media (max-width: 960px) {
  .article-container {
    padding: 18px 16px 60px 16px;
  }
  .article-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .article-sidebar {
    position: static;
    order: 2;
  }
  .related-grid,
  .hub-guides-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .article-title {
    font-size: 27px;
    line-height: 1.25;
  }
  .article-lead {
    font-size: 15px;
  }
}

@media (max-width: 640px) {
  .article-container {
    padding: 12px 12px 48px 12px;
  }
  .article-breadcrumb {
    font-size: 11.5px;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 16px;
  }
  .article-header {
    margin-bottom: 24px;
    padding-bottom: 20px;
  }
  .article-title {
    font-size: 21px;
    line-height: 1.25;
    margin-bottom: 12px;
  }
  .article-lead {
    font-size: 13.5px;
    line-height: 1.55;
    margin-bottom: 14px;
  }
  .article-meta-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-top: 10px;
  }
  .article-author-info {
    width: 100%;
  }
  .article-reading-stats {
    flex-wrap: wrap;
    gap: 10px;
    font-size: 11.5px;
  }
  .article-body {
    font-size: 14.5px;
    line-height: 1.65;
  }
  .article-body h2 {
    font-size: 20px;
    margin: 28px 0 12px 0;
  }
  .article-body h3 {
    font-size: 16.5px;
    margin: 20px 0 10px 0;
  }
  .article-interactive-cta {
    padding: 16px 14px;
    margin: 20px 0;
  }
  .cta-input-group {
    flex-direction: column;
    gap: 8px;
  }
  .cta-input {
    width: 100%;
    height: 44px;
    font-size: 13.5px;
  }
  .cta-btn {
    width: 100%;
    height: 44px;
    justify-content: center;
  }
  .article-step-card {
    padding: 14px 12px;
  }
  .step-content {
    margin-left: 0;
    margin-top: 8px;
    font-size: 13.5px;
  }
  .related-grid,
  .hub-guides-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .hub-header {
    margin-bottom: 24px;
  }
  .hub-title {
    font-size: 26px;
  }
  .hub-subtitle {
    font-size: 13.5px;
    margin-bottom: 18px;
  }
  .hub-search-wrap {
    flex-direction: column;
    gap: 8px;
  }
  .hub-search-input {
    width: 100%;
    height: 44px;
  }
  .hub-filter-pills {
    gap: 6px;
    margin-top: 14px;
  }
  .filter-pill {
    padding: 4px 10px;
    font-size: 11px;
  }
}

@media (max-width: 400px) {
  .article-title {
    font-size: 19px;
  }
  .author-avatar {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }
  .author-name {
    font-size: 12.5px;
  }
  .author-role {
    font-size: 10.5px;
  }
}