/* ============================================
   DevCore — 文章列表页独有样式
   list.html 专用：分类Tab栏 / 页面标题 / 文章列表 / 分页 / 筛选器 / 订阅框
   ============================================ */

/* ============================
   页面标题区
============================ */
.page-header {
  position: relative;
  padding: 48px 24px 0;
  z-index: 1;
  width: 1280px;
  margin: 0 auto;
}

.page-title {
  font-size: 32px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-title-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}

.page-title-wrap {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.sort-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.sort-btn {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.sort-btn:hover, .sort-btn.active {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0,212,255,0.06);
}

/* ============================
   分类标签栏（粘性）
============================ */
.category-tabs {
  position: sticky;
  top: 64px;
  z-index: 90;
  background: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 24px;
}

.category-tabs-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 12px 0;
}

.category-tabs-inner::-webkit-scrollbar { display: none; }

.cat-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-secondary);
  border: 1px solid transparent;
}

.cat-tab:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }

.cat-tab.active {
  background: rgba(0, 212, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.3);
  color: var(--accent-cyan);
}

.cat-tab-count {
  font-size: 11px;
  background: rgba(255,255,255,0.08);
  padding: 1px 6px;
  border-radius: 10px;
  font-family: var(--font-mono);
}

/* ============================
   文章列表
============================ */
.article-list { display: flex; flex-direction: column; gap: 0; }

.article-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  cursor: pointer;
  transition: all 0.25s;
}
.article-item:first-child { padding-top: 0; }
.article-item:hover { padding-left: 12px; border-bottom-color: var(--border-glow); }

.article-main { min-width: 0; }
.article-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }

.article-featured {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: #ffd700;
  background: rgba(255,215,0,0.1);
  border: 1px solid rgba(255,215,0,0.2);
  border-radius: 4px;
  padding: 2px 7px;
  margin-bottom: 6px;
}

.article-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 8px;
  transition: color 0.2s;
}
.article-item:hover .article-title { color: var(--accent-cyan); }

.article-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.meta-item { display: flex; align-items: center; gap: 4px; }

/* 缩略图代码预览 */
.article-thumb {
  width: 140px;
  height: 100px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}

.article-thumb-code {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  line-height: 1.8;
  padding: 8px;
  position: relative;
  z-index: 1;
}

.thumb-bg-1 { background: linear-gradient(135deg, #0f1629, #1a2040); }
.thumb-bg-2 { background: linear-gradient(135deg, #1a0f29, #2a1040); }
.thumb-bg-3 { background: linear-gradient(135deg, #0f291a, #104020); }
.thumb-bg-4 { background: linear-gradient(135deg, #291a0f, #403010); }
.thumb-bg-5 { background: linear-gradient(135deg, #0f1f29, #102040); }
.thumb-bg-6 { background: linear-gradient(135deg, #1f0f29, #301040); }

.thumb-glow-1::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle, rgba(0,102,255,0.2), transparent 70%); }
.thumb-glow-2::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle, rgba(124,58,237,0.2), transparent 70%); }
.thumb-glow-3::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle, rgba(0,255,136,0.15), transparent 70%); }
.thumb-glow-4::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle, rgba(255,140,0,0.15), transparent 70%); }

/* ============================
   分页
============================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding-top: 32px;
  flex-wrap: wrap;
}

.page-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  transition: all 0.2s;
  font-family: var(--font-mono);
}
.page-btn:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }
.page-btn.active { background: var(--gradient-main); border-color: transparent; color: white; }
.page-btn.dots { cursor: default; border-color: transparent; background: transparent; }

.page-jump {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-muted);
}

.page-input {
  width: 50px; height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  text-align: center;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.page-input:focus { border-color: var(--accent-cyan); }

/* ============================
   筛选器面板
============================ */
.filter-section { padding: 14px 16px; border-bottom: 1px solid rgba(255,255,255,0.04); }

.filter-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  font-family: var(--font-mono);
}

.filter-chips { display: flex; flex-wrap: wrap; gap: 6px; }

.chip {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  background: transparent;
}
.chip:hover, .chip.active {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0,212,255,0.06);
}

/* ============================
   热门文章迷你列表
============================ */
.hot-mini-list { padding: 12px; }

.hot-mini-item {
  display: flex;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}
.hot-mini-item:hover { background: rgba(255,255,255,0.04); }

.hot-num {
  width: 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  font-family: var(--font-mono);
  padding-top: 1px;
}
.hot-num.top3 { color: var(--accent-cyan); }

.hot-mini-title {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.hot-mini-item:hover .hot-mini-title { color: var(--text-primary); }

/* ============================
   邮件订阅
============================ */
.subscribe-box { padding: 18px; text-align: center; }

.subscribe-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}

.subscribe-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.6;
}

.subscribe-input-wrap {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.email-input {
  flex: 1;
  padding: 8px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s;
}
.email-input:focus { border-color: var(--accent-cyan); }
.email-input::placeholder { color: var(--text-muted); }

.btn-subscribe {
  padding: 8px 14px;
  background: var(--gradient-main);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.btn-subscribe:hover { opacity: 0.85; }

/* ============================
   列表页响应式补充
============================ */
@media (max-width: 1024px) {
  .article-item { grid-template-columns: 1fr; }
  .article-thumb { width: 100%; height: 160px; }
}

@media (max-width: 768px) {
  .page-title { font-size: 24px; }
  .article-thumb { display: none; }
}