/* ============================================
   VESTCRIM ARCHIVE DESIGN SYSTEM
   Академичный дизайн для научного журнала
   ============================================ */

/* === TYPOGRAPHY === */
@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@400;700;900&family=Source+Sans+Pro:wght@400;600;700&family=Inter:wght@400;500;600&display=swap');

:root {
  /* Colors */
  --color-primary: #1a365d;
  --color-secondary: #2c5282;
  --color-text-primary: #1a202c;
  --color-text-secondary: #4a5568;
  --color-text-muted: #718096;
  --color-background: #ffffff;
  --color-background-alt: #f7fafc;
  --color-border: #e2e8f0;
  --color-accent: #d69e2e;
  --color-link: #2c5282;
  --color-link-hover: #1a365d;

  /* Typography */
  --font-heading: 'Merriweather', Georgia, serif;
  --font-body: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-meta: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Font Sizes */
  --font-size-base: 15px;
  --font-size-large: 16px;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08);
}

/* === ARTICLE LISTING === */

.archive-journal-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.archive-article-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.archive-article-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.archive-article-authors {
  font-family: var(--font-meta);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.archive-article-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.4;
  margin-bottom: var(--spacing-md);
  margin-top: 0;
}

.archive-article-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.archive-article-title a:hover {
  color: var(--color-secondary);
}

.archive-article-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--spacing-md);
}

.archive-read-more {
  font-family: var(--font-meta);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-link);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.archive-read-more:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.archive-read-more::after {
  content: '→';
  font-size: 1.1em;
  transition: transform 0.2s ease;
}

.archive-read-more:hover::after {
  transform: translateX(3px);
}

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

.article-detail-container {
  max-width: 900px;
  margin: 0 auto;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text-primary);
}

.article-language-block {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
}

.article-language-block:not(:last-child) {
  border-bottom: 2px solid var(--color-border);
}

.article-detail-title {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: var(--spacing-lg);
  margin-top: 0;
}

.article-language-block h2.article-detail-title {
  font-size: 22px;
}

.article-doi {
  font-family: var(--font-meta);
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-background-alt);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
}

.article-doi strong {
  color: var(--color-accent);
  font-weight: 600;
}

.article-authors-section {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-background-alt);
  border-radius: var(--radius-md);
}

.article-author-item {
  margin-bottom: var(--spacing-md);
  font-family: var(--font-body);
  line-height: 1.6;
}

.article-author-item:last-child {
  margin-bottom: 0;
}

.article-author-name {
  font-weight: 700;
  color: var(--color-text-primary);
  font-size: 16px !important;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.article-author-affiliation {
  color: var(--color-text-secondary);
  font-size: 14px !important;
  display: block;
}

.article-section {
  margin-bottom: var(--spacing-xl);
}

.article-section-label {
  font-family: var(--font-meta);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.article-section-content {
  font-family: var(--font-body) !important;
  font-size: var(--font-size-base) !important;
  line-height: 1.7 !important;
  color: var(--color-text-primary) !important;
}

.article-abstract {
  font-size: var(--font-size-large) !important;
  line-height: 1.75 !important;
  text-align: justify;
}

.article-keywords {
  font-style: italic;
  color: var(--color-text-secondary);
  font-size: var(--font-size-base) !important;
}

.article-references {
  font-size: 14px !important;
  line-height: 1.7 !important;
}

.article-references ol {
  padding-left: var(--spacing-lg);
  margin: 0;
}

.article-references li {
  margin-bottom: var(--spacing-sm);
  font-size: 14px !important;
}

.article-download-section {
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-lg);
  text-align: center;
}

.article-download-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-meta);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  background: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
}

.article-download-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-secondary);
}

.article-download-btn::before {
  content: '📄';
  font-size: 1.5em;
}

/* === JOURNAL ISSUE LISTING === */

.journal-issue-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.journal-issue-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-secondary);
}

.journal-issue-header {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.journal-issue-cover {
  flex-shrink: 0;
  width: 150px;
}

.journal-issue-cover img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.journal-issue-info {
  flex: 1;
}

.journal-issue-meta {
  font-family: var(--font-meta);
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.journal-issue-title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin: 0 0 var(--spacing-md) 0;
}

.journal-issue-description {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.journal-issue-actions {
  display: flex;
  gap: var(--spacing-md);
}

/* === RESPONSIVE === */

@media (max-width: 768px) {
  .article-detail-title {
    font-size: 22px;
  }

  .article-language-block h2.article-detail-title {
    font-size: 20px;
  }

  .journal-issue-header {
    flex-direction: column;
  }

  .journal-issue-cover {
    width: 100%;
    max-width: 200px;
    margin: 0 auto;
  }

  .archive-article-card {
    padding: var(--spacing-lg);
  }

  .article-download-section {
    padding: var(--spacing-lg);
  }
}

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

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

.mb-0 {
  margin-bottom: 0 !important;
}

.mt-0 {
  margin-top: 0 !important;
}