/**
 * ToolGuide - Article & Editorial Stylesheet
 * Optimized for Long-Form Software Tutorials, Step-by-Step Guides & Comparisons
 */

/* ==========================================================================
   Reading Progress Bar
   ========================================================================== */
.reading-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 9999;
}

.reading-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 0.1s ease-out;
}

/* ==========================================================================
   Breadcrumb Navigation
   ========================================================================== */
.breadcrumb-nav {
  margin: 20px 0 16px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-item:not(:last-child)::after {
  content: "/";
  color: var(--color-text-subtle);
}

.breadcrumb-item a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--color-text);
  font-weight: 500;
}

/* ==========================================================================
   Article Layout Structure
   ========================================================================== */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  margin: 24px 0 60px;
}

.article-main {
  width: 100%;
  max-width: var(--article-max-width);
}

.article-header {
  margin-bottom: 28px;
}

.article-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-text);
  margin: 14px 0 16px;
  letter-spacing: -0.02em;
}

.article-intro {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  font-weight: 400;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  gap: 16px;
  flex-wrap: wrap;
}

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

.author-avatar-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary-light);
}

.author-meta-name {
  font-weight: 700;
  color: var(--color-text);
}

.author-meta-name a:hover {
  color: var(--color-primary);
}

.meta-details {
  display: flex;
  align-items: center;
  gap: 12px;
}

.meta-dot::before {
  content: "•";
  margin: 0 4px;
  color: var(--color-text-subtle);
}

/* Featured Image */
.article-featured-image {
  margin: 24px 0 32px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface-hover);
}

.article-featured-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.featured-image-caption {
  font-size: 0.8rem;
  color: var(--color-text-subtle);
  text-align: center;
  padding: 8px 12px;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
}

/* ==========================================================================
   Table of Contents (TOC)
   ========================================================================== */
.toc-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 28px 0;
}

.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.toc-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-toggle-btn {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-primary);
}

.toc-list {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 8px;
}

.toc-link {
  display: inline-block;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  transition: all var(--transition-fast);
}

.toc-link:hover, .toc-link.is-active {
  color: var(--color-primary);
  font-weight: 600;
  transform: translateX(4px);
}

/* ==========================================================================
   Article Content Typography & Elements
   ========================================================================== */
.article-content {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-text);
}

.article-content h2 {
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--color-text);
  margin: 40px 0 16px;
  letter-spacing: -0.01em;
  scroll-margin-top: 90px;
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
  margin: 28px 0 12px;
  scroll-margin-top: 90px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content ul, .article-content ol {
  margin: 0 0 24px 24px;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.article-content blockquote {
  border-left: 4px solid var(--color-primary);
  background-color: var(--color-surface-hover);
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text-muted);
}

.article-content pre {
  background-color: #0f172a;
  color: #f8fafc;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin: 24px 0;
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background-color: var(--color-surface-hover);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

/* ==========================================================================
   Step-by-Step Instructions Block
   ========================================================================== */
.step-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 24px 0;
  position: relative;
}

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

.step-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.step-image-wrap {
  margin: 16px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

/* ==========================================================================
   Info Boxes (Tip, Note, Warning, Important, Pro Tip)
   ========================================================================== */
.info-box {
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin: 24px 0;
  border-left: 4px solid transparent;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

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

.info-box-title {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.info-box-body {
  font-size: 0.95rem;
  line-height: 1.55;
}

.info-tip {
  background-color: var(--color-success-bg);
  border-left-color: var(--color-success);
  color: var(--color-text);
}
.info-tip .info-box-title { color: var(--color-success); }

.info-note {
  background-color: var(--color-info-bg);
  border-left-color: var(--color-info);
  color: var(--color-text);
}
.info-note .info-box-title { color: var(--color-info); }

.info-warning {
  background-color: var(--color-warning-bg);
  border-left-color: var(--color-warning);
  color: var(--color-text);
}
.info-warning .info-box-title { color: var(--color-warning); }

.info-important {
  background-color: var(--color-danger-bg);
  border-left-color: var(--color-danger);
  color: var(--color-text);
}
.info-important .info-box-title { color: var(--color-danger); }

.info-pro-tip {
  background-color: var(--color-primary-light);
  border-left-color: var(--color-primary);
  color: var(--color-text);
}
.info-pro-tip .info-box-title { color: var(--color-primary); }

/* ==========================================================================
   Pros & Cons Component
   ========================================================================== */
.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 28px 0;
}

@media (max-width: 640px) {
  .pros-cons-grid {
    grid-template-columns: 1fr;
  }
}

.pros-box, .cons-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.pros-box { border-top: 3px solid var(--color-success); }
.cons-box { border-top: 3px solid var(--color-danger); }

.pros-cons-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pros-box .pros-cons-title { color: var(--color-success); }
.cons-box .pros-cons-title { color: var(--color-danger); }

.pros-cons-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.92rem;
  margin-bottom: 8px;
  line-height: 1.4;
}

/* ==========================================================================
   Comparison Table
   ========================================================================== */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.comparison-table th, .comparison-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background-color: var(--color-surface-hover);
  font-weight: 700;
  color: var(--color-text);
}

.comparison-table tr:hover td {
  background-color: var(--color-surface-hover);
}

/* ==========================================================================
   FAQ Accordions
   ========================================================================== */
.faq-section {
  margin: 40px 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 16px 20px;
  text-align: left;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq-question:hover {
  background-color: var(--color-surface-hover);
}

.faq-icon {
  transition: transform 0.2s ease;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 20px 16px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.faq-item.is-open .faq-answer {
  display: block;
}

/* ==========================================================================
   Final Verdict Box
   ========================================================================== */
.verdict-box {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-hover) 100%);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 36px 0;
}

.verdict-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   Social Share Bar
   ========================================================================== */
.share-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 32px 0;
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.share-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin-right: 6px;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.share-btn:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ==========================================================================
   Author Bio Card
   ========================================================================== */
.author-bio-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 40px 0;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.author-bio-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.author-bio-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.author-bio-role {
  font-size: 0.82rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 10px;
}

.author-bio-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Article Sidebar
   ========================================================================== */
.article-sidebar {
  width: 100%;
}

.sidebar-widget {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
}

.sidebar-widget-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 10px;
  margin-bottom: 14px;
}

.sidebar-post-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar-post-item {
  display: flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.sidebar-post-item:hover .sidebar-post-title {
  color: var(--color-primary);
}

.sidebar-post-thumb {
  width: 60px;
  height: 48px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.sidebar-post-title {
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text);
}

/* ==========================================================================
   Print Media Styles
   ========================================================================== */
@media print {
  .site-header,
  .site-footer,
  .article-sidebar,
  .adsense-slot,
  .share-bar,
  .newsletter-box,
  .cookie-banner,
  .back-to-top-btn,
  .reading-progress-container,
  .comments-placeholder {
    display: none !important;
  }

  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .article-layout {
    display: block !important;
  }

  .article-main {
    max-width: 100% !important;
  }

  a {
    color: #000000 !important;
    text-decoration: underline !important;
  }
}