/* ============================================================
   莫问兮官网 · 资讯文章搜索栏
   纯静态 · 移动优先 · 复用品牌设计系统
   ============================================================ */

.article-search-section { padding-top: 4px; padding-bottom: 4px; }

.article-search {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 14px;
  box-shadow: var(--shadow-sm);
}

.article-search__field {
  position: relative;
  flex: 1 1 280px;
  display: flex;
  align-items: center;
}

.article-search__icon {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 18px;
  color: var(--green-700);
  pointer-events: none;
}

.article-search__input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 38px 10px 38px;
  font-size: 15px;
  color: var(--ink);
  background: var(--cream);
  outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s;
  font-family: var(--ff);
}

.article-search__input::placeholder { color: var(--muted); }

.article-search__input:focus {
  border-color: var(--amber-600);
  box-shadow: 0 0 0 3px rgba(200, 136, 31, .15);
  background: #fff;
}

.article-search__clear {
  position: absolute;
  right: 8px;
  border: none;
  background: transparent;
  font-size: 20px;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 50%;
}
.article-search__clear:hover { color: var(--ink); background: var(--green-50); }

.article-search__cat {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 15px;
  color: var(--ink);
  background: var(--cream);
  font-family: var(--ff);
  outline: none;
  cursor: pointer;
  max-width: 220px;
}
.article-search__cat:focus { border-color: var(--amber-600); }

@media (max-width: 640px) {
  .article-search { flex-direction: column; align-items: stretch; }
  .article-search__field { flex: 1 1 auto; }
  .article-search__cat { width: 100%; max-width: none; }
}