/* ============================================================================
 * portfolio-page.css — 作品集页（博客壳内）专用组件
 * 仅定义博客主题 css 中没有的组件；侧栏/头像/分类/标签云等复用主题样式。
 * 加载顺序在主题 style.css 之后，用于镜像栅格与状态覆盖。
 * ========================================================================== */

/* ===== 作品集页画布加宽（主题默认 1200px 是博客三列的宽度，两列大卡片需要 1440px） ===== */
:root {
  --page-max-width: 1440px;
}

/* ===== 镜像栅格：侧栏在左，内容在右 ===== */
.main-container.pf-mirror {
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.content-right {
  min-width: 0;
}

.sidebar-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

/* ===== 个人信息卡补充（社交按钮 / 双统计 / 首字母头像） ===== */
.avatar-fallback {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-soft-stone);
  border: 1px solid var(--color-chalk);
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--color-clay-deep);
}

.profile-social {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: var(--color-graphite);
  background: var(--color-soft-stone);
  border-radius: 50%;
  transition: all 0.2s ease;
}

.social-btn:hover {
  background: var(--color-carbon-ink);
  color: var(--color-bone-parchment);
}

.social-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* 两个统计值时拉开间距（主题默认 6px 是单值场景） */
.profile-stats {
  gap: 32px;
}

.stat-block {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

/* ===== 侧栏可点击筛选项的选中态 ===== */
.category-item a,
.tag-item {
  cursor: pointer;
}

.category-item a.active {
  background: var(--color-carbon-ink);
  color: var(--color-bone-parchment);
}

.category-item a.active .category-count {
  color: var(--color-mist);
}

.tag-item.active {
  background: var(--color-clay-deep);
  color: var(--color-bone-parchment);
}

/* ===== 筛选条 ===== */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-chalk);
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-chip {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-graphite);
  background: var(--color-paper-white);
  border: 1px solid var(--color-chalk);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-chip:hover {
  border-color: var(--color-mist);
  color: var(--color-carbon-ink);
}

.filter-chip.active {
  background: var(--color-carbon-ink);
  border-color: var(--color-carbon-ink);
  color: var(--color-bone-parchment);
}

.filter-count {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--color-ashen);
}

/* ===== 浏览器窗口框 — 把界面截图裱进一扇纸上的窗口 ===== */
.browser-frame {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  background: var(--color-paper-white);
  border: 1px solid var(--color-chalk);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: rgba(0, 0, 0, 0.05) 0 2px 10px 0;
}

.browser-bar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 10px;
  background: var(--color-soft-stone);
  border-bottom: 1px solid var(--color-chalk);
}

.browser-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.browser-dot.red { background: #ee6a5f; }
.browser-dot.yellow { background: #f5bd4f; }
.browser-dot.green { background: #61c454; }

.browser-url {
  flex: 1;
  min-width: 0;
  margin-left: 6px;
  padding: 2px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.6;
  color: var(--color-pebble);
  background: var(--color-paper-white);
  border: 1px solid var(--color-chalk);
  border-radius: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.frame-viewport {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  position: relative;
  background: var(--color-paper-white);
}

.frame-viewport img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.3s ease;
}

.project-card:hover .frame-viewport img {
  transform: scale(1.03);
}

/* ===== 项目卡片 —— 两列竖版大卡 ===== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--color-paper-white);
  border: 1px solid var(--color-chalk);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.project-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.card-cover {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  padding: 16px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-soft-stone) 0%, #e7e3dc 100%);
}

.cover-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--color-soft-stone) 0%, #e7e3dc 100%);
}

.cover-fallback .fallback-char {
  font-family: var(--font-serif);
  font-size: 44px;
  color: var(--color-pebble);
}

.status-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-graphite);
  background: rgba(248, 248, 246, 0.92);
  border: 1px solid var(--color-chalk);
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--status-dot, var(--color-pebble));
}

.status-badge[data-status='已完成'] { --status-dot: var(--color-graphite); }
.status-badge[data-status='开发中'] { --status-dot: var(--color-clay); }
.status-badge[data-status='已归档'] { --status-dot: var(--color-pebble); }

.card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-ashen);
  margin-bottom: 8px;
}

.card-meta .meta-sep {
  color: var(--color-pebble);
}

.card-title {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 400;
  line-height: 1.35;
  margin-bottom: 10px;
}

.card-title a {
  color: var(--color-carbon-ink);
}

.card-title a:hover {
  color: var(--color-graphite);
}

.card-desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--color-graphite);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.tag-chip {
  display: inline-block;
  padding: 3px 9px;
  font-size: 11px;
  color: var(--color-graphite);
  background: var(--color-soft-stone);
  border-radius: var(--radius-controls);
}

.card-footer {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 24px;
  border-top: 1px solid var(--color-chalk);
  font-size: 12px;
}

.card-footer .footer-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-ashen);
  transition: color 0.2s ease;
}

.card-footer .footer-link:hover {
  color: var(--color-carbon-ink);
}

.card-footer .detail-link {
  margin-left: auto;
  color: var(--color-clay-deep);
  font-weight: 500;
}

.card-footer .detail-link:hover {
  color: var(--color-clay);
}

/* ===== 空状态 ===== */
.empty-state {
  text-align: center;
  padding: 72px 24px;
  background: var(--color-paper-white);
  border: 1px dashed var(--color-mist);
  border-radius: var(--radius-card);
}

.empty-state[hidden] {
  display: none;
}

.empty-title {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--color-carbon-ink);
  margin-bottom: 8px;
}

.empty-desc {
  font-size: 13px;
  color: var(--color-ashen);
}

.empty-desc code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--color-soft-stone);
  padding: 2px 6px;
  border-radius: 6px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .main-container.pf-mirror {
    grid-template-columns: 1fr;
  }

  .sidebar-left {
    position: static;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    align-items: start;
  }
}

@media (max-width: 640px) {
  .project-grid {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}