/* Import theme and base styles */
@import '../theme/variables.css';
@import '../base/reset.css';
@import '../base/typography.css';
@import '../base/layout.css';
@import '../base/components.css';
@import '../components/sidebar.css';

/* =================================
   Article Page Styles
   ================================= */

/* Breadcrumbs */
#topicpath {
    background-color: var(--color-background-light);
    padding: 15px 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 14px;
}

#topicpath-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

#topicpath p {
    margin: 0;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

#topicpath a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
    padding-bottom: 2px;
}

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

#topicpath a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s;
}

#topicpath a:hover::after {
    width: 100%;
}


/* 長いタイトルの場合の処理 */
#topicpath p {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 768px) {
    #topicpath {
        font-size: 12px;
        padding: 12px 0;
    }
    
    #topicpath p {
        white-space: normal;
        line-height: 1.5;
    }
}

/* Main Content Area */
.article-page {
    background-color: var(--color-background);
    padding: 40px 0;
}

.content-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

@media (max-width: 768px) {
    .content-wrap {
        grid-template-columns: 1fr;
    }
}

/* Main Article */
.content-main {
    background: var(--color-white);
    border-radius: 8px;
    box-shadow: 0 2px 10px var(--color-shadow);
}

/* Article Header with Background */
.article-header-with-bg {
    position: relative;
    background-size: cover;
    background-position: center;
    color: var(--color-white);
    margin-bottom: 40px;
}

.article-header-overlay {
    background: var(--color-primary-alpha-80);
    padding: 60px 40px;
}

.article-header h1 {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.4;
    color: var(--color-white);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.article-meta time {
    color: var(--color-white-alpha-90);
    font-size: 14px;
}

.article-tags {
    display: flex;
    gap: 10px;
}

.article-tags .tag {
    background-color: var(--color-white-alpha-20);
    color: var(--color-white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    border: 1px solid var(--color-white-alpha-30);
}

/* SNS Share Icons in Header */
.sns {
    display: flex;
    gap: 10px;
}

.sns a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-white-alpha-20);
    color: var(--color-white);
    transition: all 0.3s;
}

.sns a:hover {
    background-color: var(--color-white-alpha-30);
    transform: scale(1.1);
}

/* Article Content */
.article-content {
    padding: 40px;
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
}

.article-content > p:first-child {
  font-size: calc(var(--font-size-base) * 1.25);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.article-content h2 {
    font-size: 24px;
    font-weight: bold;
    margin: 40px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-primary);
    color: var(--color-text);
}

.article-content h3 {
    font-size: 20px;
    font-weight: bold;
    margin: 30px 0 15px;
    color: var(--color-primary);
}

/* H4 custom style for article content */
.article-content h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-left: 1.2rem;
    color: var(--color-text);
}

.article-content h4::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 1.2em;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-dark));
    border-radius: 2px;
}

/* Custom list styling for article content */
.article-content ul,
.article-content ol {
    margin: 2rem 0;
    background-color: rgba(248, 249, 250, 0.5);
    padding: 1.5rem 2rem 1.5rem 3rem;
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
}

.article-content ul {
    list-style: none;
    position: relative;
}

.article-content ul > li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    font-size: 1.05rem;
    transition: transform 0.2s ease, padding-left 0.2s ease;
}

.article-content ul > li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.8em;
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--color-focus-shadow);
    transition: all 0.3s ease;
}

.article-content ul > li:hover::before {
    transform: scale(1.2);
    box-shadow: 0 0 0 5px var(--color-focus-shadow-dark);
}

.article-content ul > li:hover {
    transform: translateX(5px);
}

/* Ordered lists */
.article-content ol {
    list-style-type: decimal;
    list-style-position: outside;
}

.article-content ol > li {
    padding-left: 0.5rem;
    margin-bottom: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    font-size: 1.05rem;
}

.article-content li:last-child {
    margin-bottom: 0;
}

/* Nested lists */
.article-content ul ul,
.article-content ul ol,
.article-content ol ul,
.article-content ol ol {
    margin-top: 0.75rem;
    margin-bottom: 0.75rem;
    padding: 0;
    background-color: transparent;
    border-left: none;
    padding-left: 2rem;
}

.article-content ul ul > li::before {
    width: 6px;
    height: 6px;
    border: 2px solid var(--color-primary);
    background-color: transparent;
    box-shadow: none;
}

.article-content ul ul ul > li::before {
    border-radius: 0;
    transform: rotate(45deg);
    width: 5px;
    height: 5px;
}

/* Icon variations for special lists */
.article-content .summary-list ul > li::before,
.article-content h2:first-of-type + ul > li::before {
    content: "✓";
    background: none;
    color: var(--color-success);
    font-weight: bold;
    font-size: 1.2rem;
    width: auto;
    height: auto;
    box-shadow: none;
    top: 0;
    left: 0.5rem;
    line-height: 1.6;
}

/* Tables in Articles - Enhanced styling */
.article-content table {
    width: 100%;
    margin: 2rem 0 4rem 0;
    border-collapse: collapse;
    background-color: var(--color-white);
    box-shadow: 0 2px 15px var(--color-shadow-light);
    border-radius: 8px;
    overflow: hidden;
    font-size: 0.95rem;
}

/* Table header */
.article-content thead {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.article-content th {
    padding: 1.2rem 1.5rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--color-primary-dark);
    border: none;
}

/* Table body */
.article-content tbody tr {
    border-bottom: 1px solid var(--color-border-light);
    transition: all 0.3s ease;
}

.article-content tbody tr:hover {
    background-color: var(--color-focus-bg);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px var(--color-shadow-lighter);
}

.article-content tbody tr:last-child {
    border-bottom: none;
}

.article-content td {
    padding: 1rem 1.5rem;
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.6;
    border: none;
}

/* Alternating row colors */
.article-content tbody tr:nth-child(even) {
    background-color: var(--color-background-light);
}

/* First and last column padding */
.article-content th:first-child,
.article-content td:first-child {
    padding-left: 2rem;
}

.article-content th:last-child,
.article-content td:last-child {
    padding-right: 2rem;
}

/* Special styling for numeric columns */
.article-content td:has(> :only-child:not(a)) {
    text-align: center;
}

/* Responsive table wrapper */
.article-content .table-wrapper {
    overflow-x: auto;
    margin: 2rem 0 4rem 0;
    border-radius: 8px;
    box-shadow: 0 2px 15px var(--color-shadow-light);
}

.article-content .table-wrapper table {
    margin: 0;
    box-shadow: none;
}

/* Code Blocks */
.article-content pre {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: calc(var(--spacing-unit) * 3);
  border-radius: var(--border-radius);
  overflow-x: auto;
  margin: calc(var(--spacing-unit) * 3) 0;
  font-size: calc(var(--font-size-base) * 0.9);
}

.article-content code {
  font-family: 'Consolas', 'Monaco', monospace;
}

/* Blockquotes */
.article-content blockquote {
  margin: calc(var(--spacing-unit) * 4) 0;
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
  border-left: 4px solid var(--primary-color);
  background-color: var(--bg-light);
  font-style: italic;
}

/* Article Footer */
.article-footer {
  margin-top: calc(var(--spacing-unit) * 8);
  padding-top: calc(var(--spacing-unit) * 4);
  border-top: 1px solid var(--border-color);
}

.share-buttons {
  display: flex;
  justify-content: center;
  gap: calc(var(--spacing-unit) * 2);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.share-buttons a {
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: all var(--transition-speed) var(--transition-timing);
}

.share-twitter {
  background-color: var(--color-twitter);
  color: white;
}

.share-twitter:hover {
  background-color: var(--color-twitter-hover);
}

.share-facebook {
  background-color: var(--color-facebook);
  color: white;
}

.share-facebook:hover {
  background-color: var(--color-facebook-hover);
}

/* Article Navigation */
.article-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: calc(var(--spacing-unit) * 4);
  padding: calc(var(--spacing-unit) * 2) 0;
}

.article-nav a {
  color: var(--primary-color);
  font-weight: 500;
  transition: all var(--transition-speed) var(--transition-timing);
}

.article-nav a:hover {
  color: var(--primary-color-dark);
}

.prev-article::before {
  content: '← ';
}

.next-article::after {
  content: ' →';
}

/* Article CTA */
.article-cta {
    background-color: var(--color-background-accent);
    border: 1px solid var(--color-info-border);
    border-radius: 8px;
    padding: 30px;
    margin: 40px 0;
    text-align: center;
}

.article-cta h3 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--color-text);
}

.article-cta p {
    font-size: 14px;
    margin-bottom: 20px;
    color: var(--color-text-light);
}

.btn-cta {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
}

.btn-cta:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--color-accent-shadow);
}

/* Responsive Design */
@media (max-width: 768px) {
  /* Header adjustments */
  .article-header-overlay {
    padding: 40px 20px;
  }
  
  .article-header h1 {
    font-size: 24px;
  }
  
  /* Content adjustments */
  .article-content {
    padding: 20px;
    font-size: 15px;
  }
  
  .article-content h2 {
    font-size: 20px;
  }
  
  .article-content h3 {
    font-size: 18px;
  }
  
  /* CTA adjustments */
  .article-cta {
    padding: 20px;
  }
  
  .article-cta h3 {
    font-size: 18px;
  }
  
  .btn-cta {
    padding: 12px 24px;
    font-size: 14px;
  }
  
  /* Meta information */
  .article-meta {
    flex-direction: column;
    gap: 10px;
  }
  
  /* Mobile responsive for tables */
  .article-content table {
      font-size: 0.875rem;
  }
  
  .article-content th,
  .article-content td {
      padding: 0.75rem 1rem;
  }
  
  .article-content th:first-child,
  .article-content td:first-child {
      padding-left: 1rem;
  }
  
  .article-content th:last-child,
  .article-content td:last-child {
      padding-right: 1rem;
  }
  
}