/* ==========================================
   layout.css — 页面布局、响应式断点
   ========================================== */

/* ---------- 通用页面容器 ---------- */
.page-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 博主信息区（首页） ---------- */
.profile-section {
  text-align: center;
  padding: 60px 0 40px;
  animation: fadeInUp 0.6s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

/* 头像 */
.profile-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 2px solid var(--glass-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.profile-avatar:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 默认占位符（无头像时显示） */
.profile-avatar-placeholder {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  margin: 0 auto 16px;
  background: var(--color-accent-cool);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-surface);
  font-size: 36px;
  font-weight: 600;
}

/* 博主昵称 */
.profile-name {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

/* 博主域名 */
.profile-domain {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

/* 社交图标行 */
.social-icons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: transparent;
  transition: all 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
  color: var(--color-text-secondary);
  opacity: 0.65;
}

.social-icon:hover {
  color: var(--color-accent);
  background: rgba(0, 0, 0, 0.03);
  transform: scale(1.15);
  opacity: 1;
}

.social-icon svg {
  width: 20px;
  height: 20px;
}

/* ---------- 文章列表容器 ---------- */
.article-list {
  display: grid;
  gap: 16px;
}

/* ---------- 联系页 ---------- */
.contact-section {
  text-align: center;
  padding: 60px 0;
}

.contact-title {
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.contact-email {
  display: inline-block;
  font-size: 1.2rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-top: 8px;
  border-bottom: 1px dashed var(--color-accent);
  transition: opacity 0.2s ease;
}

.contact-email:hover {
  opacity: 0.75;
}

.contact-desc {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

/* ---------- 归档页 ---------- */
.archive-section {
  padding: 20px 0;
}

.archive-year {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 32px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.archive-month {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin: 16px 0 8px;
  padding-left: 8px;
}

.archive-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  margin-left: 16px;
  border-radius: 6px;
  transition: background 0.15s ease;
}

.archive-item:hover {
  background: rgba(0, 0, 0, 0.03);
}

.archive-item-date {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  margin-left: 16px;
}

.archive-item-title {
  color: var(--color-text);
  font-weight: 500;
}

/* ---------- 最近文章区（首页） ---------- */
.recent-posts {
  padding: 0 0 40px;
}

.recent-posts-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text);
}

.recent-post-item {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: padding-left 0.2s ease;
}

.recent-post-item:hover {
  padding-left: 8px;
}

.recent-post-date {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.recent-post-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

/* ========== 响应式断点 ========== */

/* 平板：768px */
@media (max-width: 768px) {
  .page-container {
    padding: 0 16px;
  }

  .nav-btn {
    padding: 6px 12px;
    font-size: 0.85rem;
  }

  .article-list {
    grid-template-columns: 1fr 1fr;
  }
}

/* 手机：480px */
@media (max-width: 480px) {
  body {
    padding-top: 80px;
    padding-bottom: 100px;
  }

  .nav-container {
    top: 8px;
    padding: 6px 10px;
    gap: 4px;
    /* 确保导航不超出屏幕 */
    overflow-x: auto;
    max-width: calc(100vw - 16px);
  }

  .nav-btn {
    padding: 6px 10px;
    font-size: 0.8rem;
    border-radius: 10px;
  }

  .article-list {
    grid-template-columns: 1fr;
  }

  .profile-section {
    padding: 40px 0 24px;
  }

  .profile-avatar,
  .profile-avatar-placeholder {
    width: 72px;
    height: 72px;
  }

  .profile-name {
    font-size: 1.5rem;
  }

  .footer-container {
    bottom: 8px;
    font-size: 0.75rem;
    padding: 6px 14px;
  }
}