/**
 * 文章列表页面样式
 * @package Westlife
 */

/* ============================================
   1. CSS 变量定义
   ============================================ */
/* 使用全局 tokens，保留必要的功能性变量 */
:root {
  --posts-list-primary-light: rgba(var(--color-primary-rgb), 0.1);
  --posts-list-hover-scale: 1.01;
}

/* 深色模式直接依赖全局 tokens */

/* ============================================
   2. Hero 区域
   ============================================ */
.posts-list-page {
  max-width: var(--container-width); /* 使用 CSS 变量: 1280px */
  margin: 0 auto 24px;
  background: var(--posts-list-bg);
  border: 1px solid var(--posts-list-border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.posts-list-hero {
  position: relative;
  background: url("../../../static/images/banner/posts-list.webp") center/cover
    no-repeat;
  padding: 48px 0;
  margin-bottom: 0;
  border-bottom: 1px solid var(--posts-list-border);
  min-height: 240px;
  overflow: hidden;
}

[data-theme="dark"] .posts-list-hero {
  background: linear-gradient(rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.7)),
    url("../../../static/images/banner/posts-list.webp") center/cover no-repeat;
}

.posts-list-hero .hero-container {
  position: relative;
  z-index: 1;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 26px;
}

.posts-list-hero .hero-content {
  max-width: 100%;
  text-align: left;
  /* 为固定标题预留空间 */
  padding-top: 72px;
}

.posts-list-hero .page-title {
  position: absolute;
  top: -10px;
  left: 25px;
  margin: 0;
  font-family: "KuaiKanShiJieTi", sans-serif;
  font-size: 2rem;
  font-weight: 500;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 12px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.posts-list-hero .page-title i {
  color: #3b82f6;
  font-size: 2rem;
}

.posts-list-hero .hero-description {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--posts-list-text-muted);
  margin: 0;
}

.posts-list-hero .hero-description p {
  margin: 0;
}

/* ============================================
   3. 文章列表主体
   ============================================ */
.posts-list-main {
  padding: 40px 26px 60px;
}

/* 年份分组 */
.pl-year-group {
  margin-bottom: 60px;
  scroll-margin-top: 80px;
  animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pl-year-group:last-child {
  margin-bottom: 0;
}

.pl-year-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 3px solid var(--posts-list-primary);
  position: sticky;
  top: 0;
  background: var(--posts-list-bg);
  z-index: 10;
  padding-top: 16px;
  margin-top: -16px;
  transition: all 0.3s ease;
}

.pl-year-header.stuck {
  box-shadow: 0 4px 12px var(--posts-list-shadow);
}

.pl-year-title {
  font-family: "KuaiKanShiJieTi", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--posts-list-text);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.pl-year-title i {
  color: var(--posts-list-primary);
  font-size: 1.6rem;
}

.pl-year-stats {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pl-year-count,
.pl-year-comments {
  font-size: 0.9rem;
  color: var(--posts-list-text-muted);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 16px;
  background: var(--posts-list-primary-light);
  transition: all 0.3s ease;
}

.pl-year-count:hover,
.pl-year-comments:hover {
  background: var(--posts-list-primary);
  color: var(--color-text-inverse);
}

.pl-year-count i,
.pl-year-comments i {
  font-size: 0.8rem;
  opacity: 0.8;
}

/* 时间线列表 */
.pl-timeline {
  position: relative;
  padding-left: 100px;
}

/* 时间线竖线 */
.pl-timeline::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--posts-list-timeline);
}

/* 文章项 */
.pl-post-item {
  position: relative;
  display: flex;
  gap: 24px;
  margin-bottom: 12px;
  padding: 10px 16px;
  border-radius: 8px;
  transition: all 0.3s ease;
  opacity: 0;
  animation: slideIn 0.5s ease-out forwards;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.pl-post-item:nth-child(1) {
  animation-delay: 0.1s;
}
.pl-post-item:nth-child(2) {
  animation-delay: 0.15s;
}
.pl-post-item:nth-child(3) {
  animation-delay: 0.2s;
}
.pl-post-item:nth-child(4) {
  animation-delay: 0.25s;
}
.pl-post-item:nth-child(5) {
  animation-delay: 0.3s;
}

.pl-post-item:hover {
  background: var(--posts-list-hover-bg);
  transform: translateX(4px);
  box-shadow: 0 2px 8px var(--posts-list-shadow);
}

.pl-post-item:last-child {
  margin-bottom: 0;
}

/* 日期标记 */
.pl-post-date {
  position: absolute;
  left: -100px;
  top: 12px;
  width: 80px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.pl-date-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  background: var(--posts-list-bg);
  border-radius: 50%;
}

.pl-date-icon i {
  color: var(--posts-list-primary);
  font-size: 10px;
}

.pl-date-text {
  font-size: 0.875rem;
  color: var(--posts-list-text-muted);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* 文章内容 */
.pl-post-content {
  flex: 1;
  min-width: 0;
}

.pl-post-title-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  min-height: 32px;
}

.pl-post-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.6;
  flex: 1;
  min-width: 200px;
}

.pl-post-title a {
  color: var(--posts-list-text);
  text-decoration: none;
  transition: color 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pl-post-title a:hover {
  color: var(--posts-list-primary);
  text-decoration: none;
}

.pl-post-icon {
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity 0.3s ease;
  flex-shrink: 0;
}

.pl-post-item:hover .pl-post-icon {
  opacity: 0.6;
}

/* 文章元信息 */
.pl-post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--posts-list-text-muted);
  flex-shrink: 0;
}

.pl-meta-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-width: 70px;
  height: 24px;
  overflow: hidden;
}

.pl-post-comments,
.pl-post-views {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: opacity 0.3s ease, transform 0.3s ease;
  color: var(--posts-list-text-muted);
}

/* 默认状态：显示评论数 */
.pl-meta-default {
  opacity: 1;
  transform: translateY(-50%);
  pointer-events: auto;
  z-index: 2;
}

.pl-meta-hover {
  opacity: 0;
  transform: translateY(calc(-50% + 8px));
  pointer-events: none;
  z-index: 1;
}

/* 悬浮状态：显示浏览量 */
.pl-post-item:hover .pl-meta-default {
  opacity: 0;
  transform: translateY(calc(-50% - 8px));
  pointer-events: none;
  z-index: 1;
}

.pl-post-item:hover .pl-meta-hover {
  opacity: 1;
  transform: translateY(-50%);
  pointer-events: auto;
  z-index: 2;
}

.pl-post-meta i {
  font-size: 0.75rem;
  opacity: 0.8;
}

.pl-post-category a {
  color: #1f2937;
  background: var(--posts-list-primary-light);
  padding: 2px 10px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-block;
}

.pl-post-category a:hover {
  background: var(--posts-list-primary);
  color: var(--color-text-inverse);
}

/* ============================================
   4. 空状态
   ============================================ */
.empty-notice {
  text-align: center;
  padding: 80px 20px;
  color: var(--posts-list-text-muted);
}

.empty-notice i {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.3;
}

.empty-notice p {
  font-size: 1.1rem;
  margin: 0;
}

/* ============================================
   5. 响应式设计
   ============================================ */

/* 平板 */
@media (max-width: 768px) {
  .posts-list-hero {
    min-height: auto;
    padding: 40px 0 30px;
  }

  .posts-list-hero .hero-container {
    flex-direction: column;
    gap: 30px;
  }

  .posts-list-hero .hero-stats-card {
    flex: 1;
    width: 100%;
  }

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

  .posts-list-hero .stats-list {
    flex-direction: row;
    gap: 12px;
  }

  .posts-list-hero .stat-item {
    flex: 1;
  }

  .pl-year-title {
    font-size: 1.6rem;
  }

  .pl-timeline {
    padding-left: 80px;
  }

  .pl-post-date {
    left: -80px;
    width: 60px;
  }

  .pl-date-text {
    font-size: 0.8rem;
  }
}

/* 手机 */
@media (max-width: 480px) {
  .posts-list-hero {
    padding: 30px 0 20px;
    min-height: auto;
  }

  .posts-list-hero .hero-container {
    padding: 0 16px;
  }

  .posts-list-hero .page-title {
    font-size: 1.6rem;
  }

  .posts-list-hero .page-title i {
    font-size: 1.4rem;
  }

  .posts-list-hero .stats-list {
    flex-direction: column;
  }

  .posts-list-main {
    padding: 0 16px 40px;
  }

  .pl-year-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .pl-year-stats {
    gap: 12px;
  }

  .pl-year-title {
    font-size: 1.4rem;
  }

  .pl-year-comments {
    font-size: 0.85rem;
  }

  .pl-timeline {
    padding-left: 0;
  }

  .pl-timeline::before {
    display: none;
  }

  .pl-post-item {
    flex-direction: column;
    gap: 12px;
    padding: 12px;
    animation: none;
    opacity: 1;
  }

  .pl-post-item:hover {
    transform: none;
  }

  .pl-post-date {
    position: static;
    width: auto;
    left: auto;
  }

  .pl-date-icon {
    display: none;
  }

  .pl-date-text {
    color: var(--posts-list-primary);
    font-weight: 600;
  }

  .pl-post-title {
    font-size: 1rem;
  }

  .pl-post-meta {
    gap: 12px;
    font-size: 0.8rem;
  }
}

/* ============================================
   6. 深色模式增强
   ============================================ */
[data-theme="dark"] .posts-list-hero {
  background: linear-gradient(
    135deg,
    rgba(30, 58, 138, 0.15) 0%,
    rgba(59, 130, 246, 0.08) 100%
  );
}

[data-theme="dark"] .posts-list-hero .page-title {
  color: #60a5fa;
}

[data-theme="dark"] .posts-list-hero .page-title i {
  color: #93c5fd;
}

[data-theme="dark"] .posts-list-hero .hero-stats-card {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .posts-list-hero .stat-label {
  color: var(--color-text-muted);
}

/* ============================================
   7. 打印样式
   ============================================ */
@media print {
  .posts-list-hero .hero-stats-card,
  .pl-post-meta .pl-post-views,
  .pl-post-meta .pl-post-comments {
    display: none;
  }

  .posts-list-hero {
    min-height: auto;
    padding: 20px 0;
    background: none;
    border: none;
  }

  .pl-year-header {
    position: static;
    page-break-after: avoid;
  }

  .pl-post-item {
    page-break-inside: avoid;
    padding: 8px 0;
    border-bottom: 1px solid #e5e7eb;
  }

  .pl-timeline::before {
    display: none;
  }

  .pl-post-title a {
    color: #000;
    text-decoration: none;
  }

  .pl-post-title a::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}

/* 移动端 Hero 简化 - 只显示背景图和标题 */
@media (max-width: 768px) {
  /* 隐藏筛选按钮/标签 */
  .posts-list-hero-filters,
  .posts-list-filters {
    display: none;
  }

  /* 隐藏副标题 */
  .posts-list-hero-subtitle,
  .posts-list-hero-description {
    display: none;
  }

  /* 简化 Hero 区域 */
  .posts-list-hero {
    min-height: 180px;
    padding: 20px 0;
  }

  /* 标题居中 */
  .posts-list-hero .page-title,
  .posts-list-hero h1 {
    text-align: center;
    margin: 0 auto;
    padding: 0 16px;
  }

  .posts-list-hero-content {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
  }
}

/* 移动端 Hero 简化 - 只显示背景图和标题（更新版） */
@media (max-width: 768px) {
  .posts-list-hero {
    min-height: 180px !important;
    padding: 20px 0 !important;
  }

  /* 隐藏所有次要内容 */
  .posts-list-hero-filters,
  .posts-list-filters,
  .posts-list-hero-subtitle,
  .posts-list-hero-description,
  .posts-list-hero-meta {
    display: none !important;
  }

  /* 标题居中 */
  .posts-list-hero-content,
  .posts-list-hero .hero-content {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    padding: 0 16px;
  }

  .posts-list-hero .page-title,
  .posts-list-hero h1 {
    margin: 0 auto;
    text-align: center;
    font-size: 1.5rem;
  }
}

/* 移动端 Hero 标题完美居中（增强版 - 垂直+水平） */
@media (max-width: 768px) {
  /* Hero 最外层 - Flexbox 垂直水平居中 */
  .about-hero,
  .vm-hero,
  .feeds-hero,
  .links-hero,
  .archive-hero,
  .posts-list-hero,
  .theme-info-hero {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  /* Hero 容器层 - 继续居中传递 */
  .hero-container,
  .vm-hero-container {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100%;
  }

  /* Hero 内层 - 确保居中 */
  .hero-inner,
  .vm-hero-inner,
  .hero-grid {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100%;
  }

  /* Hero 内容区 - 最终居中层 */
  .hero-content,
  .vm-hero-content,
  .about-hero-content,
  .hero-title,
  .hero-title-block {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100%;
  }

  /* 标题本身 - 完美居中 */
  .page-title,
  .vm-page-title {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    margin: 0 auto !important;
  }
}