/**
 * changelog.css - 更新履歴ページ専用スタイル (Monster Hunter Wilds Theme)
 */

/* ==========================================
   Main Content
   ========================================== */
.main-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.content-container {
  background: rgba(29, 26, 20, 0.85);
  border: 2px solid var(--mhw-orange);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: 0 8px 32px rgba(212, 105, 42, 0.2);
}

/* ==========================================
   Title Section
   ========================================== */
.title-section {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid var(--mhw-brown-light);
}

.page-title {
  font-size: 2.5rem;
  color: var(--mhw-gold);
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-description {
  color: var(--mhw-text-muted);
  font-size: 1rem;
  line-height: 1.8;
}

/* ==========================================
   Changelog Section
   ========================================== */
.changelog-section {
  margin-top: 2rem;
}

.changelog-entry {
  margin-bottom: 3rem;
  background: rgba(61, 53, 48, 0.3);
  border: 1px solid var(--mhw-brown-light);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.changelog-entry:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(212, 105, 42, 0.2);
}

/* Entry Header */
.entry-header {
  background: linear-gradient(135deg, rgba(212, 105, 42, 0.15) 0%, rgba(163, 77, 31, 0.15) 100%);
  border-bottom: 1px solid var(--mhw-brown-light);
  padding: 1.5rem 2rem;
}

.version-title {
  font-size: 1.5rem;
  color: var(--mhw-text);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.version-badge {
  background: linear-gradient(135deg, var(--mhw-orange) 0%, var(--mhw-orange-dark) 100%);
  color: var(--mhw-text);
  padding: 0.4rem 1rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: bold;
  box-shadow: 0 2px 8px rgba(212, 105, 42, 0.3);
}

.version-badge--major {
  background: linear-gradient(135deg, var(--mhw-gold) 0%, var(--mhw-orange) 100%);
  box-shadow: 0 2px 8px rgba(212, 167, 82, 0.4);
}

/* Entry Content */
.entry-content {
  padding: 2rem;
}

.change-category {
  margin-bottom: 2rem;
}

.change-category:last-child {
  margin-bottom: 0;
}

.category-title {
  font-size: 1.2rem;
  color: var(--mhw-gold);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(212, 167, 82, 0.3);
}

.category-icon {
  font-size: 1.3rem;
}

.change-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.change-list li {
  color: var(--mhw-text);
  line-height: 1.8;
  padding: 0.5rem 0 0.5rem 1.5rem;
  position: relative;
}

.change-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--mhw-orange);
  font-weight: bold;
}

/* ==========================================
   Back to Top
   ========================================== */
.back-to-top {
  text-align: center;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--mhw-brown-light);
}

.btn-back-to-top {
  display: inline-block;
  background: linear-gradient(135deg, var(--mhw-orange) 0%, var(--mhw-orange-dark) 100%);
  color: var(--mhw-text);
  padding: 0.75rem 2rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: bold;
  border: 2px solid var(--mhw-gold);
  box-shadow: 0 4px 12px rgba(212, 105, 42, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(212, 105, 42, 0.6);
  text-decoration: none;
}

/* ==========================================
   Responsive Design - Tablet
   ========================================== */
@media (max-width: 768px) {
  .main-content {
    padding: 2rem 1rem;
  }

  .content-container {
    padding: 2rem 1.5rem;
  }

  .page-title {
    font-size: 2rem;
  }

  .entry-header {
    padding: 1.25rem 1.5rem;
  }

  .version-title {
    font-size: 1.3rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .entry-content {
    padding: 1.5rem;
  }

  .category-title {
    font-size: 1.1rem;
  }
}

/* ==========================================
   Responsive Design - Mobile
   ========================================== */
@media (max-width: 480px) {
  .content-container {
    padding: 1.5rem 1rem;
  }

  .page-title {
    font-size: 1.75rem;
  }

  .page-description {
    font-size: 0.95rem;
  }

  .entry-header {
    padding: 1rem 1.25rem;
  }

  .version-title {
    font-size: 1.2rem;
  }

  .version-badge {
    font-size: 0.9rem;
    padding: 0.3rem 0.75rem;
  }

  .entry-content {
    padding: 1.25rem;
  }

  .category-title {
    font-size: 1rem;
  }

  .change-list li {
    font-size: 0.95rem;
  }

  .btn-back-to-top {
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
  }
}

/* ==========================================
   Print Styles
   ========================================== */
@media print {
  .back-to-top {
    display: none;
  }

  .main-content {
    max-width: 100%;
    padding: 0;
  }

  .content-container {
    border: none;
    box-shadow: none;
  }

  .changelog-entry {
    page-break-inside: avoid;
    border: 1px solid #ccc;
  }
}