/* ===== GitHub 项目展示页 ===== */
/* Hero 统计 */
.gh-stats {
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 16px;
  display: flex;
}
.gh-stat {
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
  display: flex;
}
.gh-stat-num {
  color: #064e3b;
  font-size: 22px;
  font-weight: 700;
  font-family: var(--font-mono);
  line-height: 1.2;
}
.gh-stat-label {
  color: #134e3a;
  font-size: 12px;
}
.gh-stat-divider {
  background: #064e3b40;
  width: 1px;
  height: 20px;
}
[data-theme='dark'] .gh-stat-num {
  color: #f1f5f9;
}
[data-theme='dark'] .gh-stat-label {
  color: #f1f5f9b8;
}
[data-theme='dark'] .gh-stat-divider {
  background: #f1f5f940;
}

/* 工具栏：搜索 + 排序 */
.gh-toolbar {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding: 12px 16px;
  display: flex;
}
.gh-search {
  flex: 1;
  min-width: 0;
  align-items: center;
  gap: 8px;
  display: flex;
}
.gh-search svg {
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.gh-search input {
  background: transparent;
  border: none;
  outline: none;
  width: 100%;
  color: var(--color-text);
  font-size: 14px;
  font-family: inherit;
}
.gh-search input::placeholder {
  color: var(--color-text-muted);
}
.gh-sort {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  gap: 2px;
  padding: 3px;
  display: flex;
  flex-shrink: 0;
}
.gh-sort button {
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  padding: 5px 14px;
  font-size: 13px;
  font-family: inherit;
  white-space: nowrap;
  transition: all var(--transition);
}
.gh-sort button:hover {
  color: var(--color-text);
}
.gh-sort button.active {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

/* 项目卡片网格 */
.gh-grid {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  display: grid;
}
.gh-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px;
  display: flex;
  position: relative;
  overflow: hidden;
}
.gh-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.gh-card-head {
  align-items: center;
  gap: 8px;
  display: flex;
  min-width: 0;
}
.gh-card-icon {
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.gh-card:hover .gh-card-icon {
  color: var(--color-primary);
}
.gh-card-name {
  color: var(--color-text);
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-mono);
  text-decoration: none;
  line-height: 1.4;
  transition: color var(--transition);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.gh-card-name:hover {
  color: var(--color-primary);
}
.gh-card-fork {
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 1px 8px;
  font-size: 11px;
  flex-shrink: 0;
}
.gh-card-desc {
  color: var(--color-text-secondary);
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 0;
  flex: 1;
}
.gh-card-topics {
  flex-wrap: wrap;
  gap: 6px;
  display: flex;
}
.gh-topic {
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border-radius: var(--radius-full);
  padding: 2px 10px;
  font-size: 11px;
  text-decoration: none;
  transition: all var(--transition);
}
.gh-topic:hover {
  background: var(--color-primary);
  color: #fff;
}
.gh-card-meta {
  align-items: center;
  gap: 14px;
  display: flex;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--color-text-muted);
}
.gh-lang {
  align-items: center;
  gap: 5px;
  display: inline-flex;
}
.gh-lang i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-text-muted);
  display: inline-block;
  flex-shrink: 0;
}
.gh-meta-item {
  align-items: center;
  gap: 4px;
  display: inline-flex;
  font-family: var(--font-mono);
}
.gh-meta-item svg {
  width: 13px;
  height: 13px;
}
.gh-card-arrow {
  width: 15px;
  height: 15px;
  margin-left: auto;
  color: var(--color-text-muted);
  opacity: 0;
  transition: all var(--transition);
  transform: translate(-4px);
  flex-shrink: 0;
}
.gh-card:hover .gh-card-arrow {
  opacity: 1;
  color: var(--color-primary);
  transform: translate(0);
}

/* 骨架屏 */
.gh-card.gh-skeleton {
  min-height: 132px;
  cursor: default;
}
.gh-skeleton span {
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  background-image: linear-gradient(
    90deg,
    transparent 0%,
    #88888814 40%,
    transparent 80%
  );
  background-size: 200% 100%;
  animation: gh-shimmer 1.4s ease infinite;
  display: block;
}
.gh-skeleton .sk-name {
  width: 55%;
  height: 16px;
}
.gh-skeleton .sk-desc {
  width: 90%;
  height: 12px;
}
.gh-skeleton .sk-desc.short {
  width: 65%;
}
.gh-skeleton .sk-meta {
  width: 70%;
  height: 12px;
  margin-top: auto;
}
@keyframes gh-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}
[data-theme='dark'] .gh-skeleton span {
  background-color: #ffffff0d;
}

/* 状态区：错误 / 空态 / 提示 */
.gh-notice,
.gh-state {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  padding: 48px 24px;
}
.gh-notice svg,
.gh-state > svg {
  width: 44px;
  height: 44px;
  margin: 0 auto 14px;
  color: var(--color-text-muted);
  display: block;
}
.gh-notice h2,
.gh-state h2 {
  color: var(--color-text);
  margin: 0 0 8px;
  font-size: 18px;
}
.gh-notice p,
.gh-state p {
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
  font-size: 14px;
  line-height: 1.7;
}
.gh-state p code {
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  font-family: var(--font-mono);
  font-size: 12px;
}
.gh-hidden {
  display: none !important;
}

/* 页脚说明 */
.gh-footnote {
  color: var(--color-text-muted);
  text-align: center;
  margin: 20px 0 0;
  font-size: 12px;
}
.gh-footnote a {
  color: var(--color-text-muted);
}

@media (width<=768px) {
  .gh-toolbar {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 14px;
  }
  .gh-search {
    flex-basis: 100%;
  }
  .gh-sort {
    order: 2;
  }
  .gh-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .gh-card {
    padding: 14px 16px;
  }
  .gh-notice,
  .gh-state {
    padding: 36px 18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .gh-skeleton span {
    animation: none;
  }
  .gh-card,
  .gh-sort button {
    transition: none;
  }
}