/* 儒濟生 · 中醫學習筆記 — 站內搜尋樣式
 * 依賴 assets/css/main.css 的 CSS 變數（--paper / --ink / --cinnabar / --border …）
 * 掛載：
 *   首頁     <section class="home-search"> … <div class="tcm-search" data-base="" data-scope="global">
 *   科目頁   <div class="tcm-search" data-base="../" data-scope="<code>">
 */

.home-search {
  max-width: 1180px;
  margin: 0 auto;
  padding: 4px 24px 40px;
}
/* 首頁搜尋框：約為容器一半闊並置中（2026-09-17） */
.home-search .tcm-search {
  max-width: 580px;
  margin: 0 auto;
}
.home-search .tcm-search-hint {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--ink-3);
  text-align: center;
  margin: 14px 0 0;
  letter-spacing: .04em;
}
@media (max-width: 640px) {
  .home-search { padding: 4px 18px 30px; }
  .home-search .tcm-search { max-width: none; }   /* 窄螢幕回復全闊，避免輸入區過窄 */
}

/* ---------- 搜尋框本體 ---------- */
.tcm-search {
  position: relative;
  z-index: 60;
}

/* 科目頁：夾在 hero 與工具架之間，給上下留白 */
.subject-search { padding: 22px 24px 2px; max-width: 1100px; margin: 0 auto; }
/* 科目頁搜尋框：與首頁一致，約容器一半闊並置中（2026-09-17） */
.subject-search .tcm-search { max-width: 580px; margin: 0 auto; }
@media (max-width: 640px) { .subject-search { padding: 16px 16px 0; } }
@media (max-width: 640px) { .subject-search .tcm-search { max-width: none; } }

.tcm-search-field {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(251, 248, 241, 0.94);
  border: 1.5px solid var(--border);
  border-radius: 999px;
  padding: 12px 16px 12px 18px;
  box-shadow: 0 2px 10px rgba(31, 27, 22, .05);
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.tcm-search-field:focus-within {
  border-color: var(--cinnabar-light, #C75B49);
  background: #fff;
  box-shadow: 0 8px 26px rgba(168, 62, 46, .14);
}
.tcm-search-field .tcm-search-icon {
  flex: 0 0 auto;
  width: 19px; height: 19px;
  color: var(--cinnabar);
  opacity: .8;
}
.tcm-search-field input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-family: var(--font-serif);
  font-size: 16.5px;
  color: var(--ink);
  padding: 2px 0;
}
/* 隱藏瀏覽器原生清除鈕（input[type=search] 在 Chrome/Safari 會多出一個 ×，
   與本元件自訂的 .tcm-search-clear 重複） */
.tcm-search-field input::-webkit-search-cancel-button,
.tcm-search-field input::-webkit-search-decoration {
  -webkit-appearance: none;
  appearance: none;
  display: none;
}
.tcm-search-field input::placeholder {
  color: var(--ink-3);
  opacity: .78;
  font-family: var(--font-sans);
  font-size: 14.5px;
  letter-spacing: .02em;
}
.tcm-search-clear {
  flex: 0 0 auto;
  border: 0;
  background: transparent;
  color: var(--ink-3);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  display: none;
}
.tcm-search.is-open .tcm-search-clear { display: block; }
.tcm-search-clear:hover { color: var(--cinnabar); }

.tcm-search-scope {
  flex: 0 0 auto;
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--cinnabar);
  background: var(--cinnabar-pale, #F7E9E6);
  border-radius: 999px;
  padding: 3px 11px;
  white-space: nowrap;
}

/* ---------- 結果面板 ---------- */
.tcm-search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  max-height: min(62vh, 520px);
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 18px 48px rgba(31, 27, 22, .16);
  padding: 6px;
  z-index: 70;
}
.tcm-search-results[hidden] { display: none; }

.tcm-sr-meta {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--ink-3);
  padding: 9px 12px 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
  position: sticky;
  top: 0;
  background: var(--paper);
}
.tcm-sr-meta b { color: var(--cinnabar); }

.tcm-sr {
  display: block;
  padding: 10px 12px 11px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--ink);
  border-left: 3px solid transparent;
  transition: background .12s ease;
}
.tcm-sr:hover, .tcm-sr.is-active {
  background: var(--paper-2, #F4EEE3);
  border-left-color: var(--cinnabar);
  text-decoration: none;
}
.tcm-sr-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 3px;
}
.tcm-sr-subj {
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .04em;
  color: #fff;
  background: var(--cinnabar);
  border-radius: 4px;
  padding: 1.5px 7px;
}
.tcm-sr-lesson {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--ink-3);
}
.tcm-sr-title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
  margin-bottom: 2px;
}
.tcm-sr-snippet {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2, #4A4239);
  word-break: break-word;
}
.tcm-sr mark {
  background: #FBEBB6;
  color: #8A2B1E;
  font-weight: 700;
  padding: 0 2px;
  border-radius: 2px;
}

/* 鍵盤提示（只有桌面顯示） */
.tcm-search-hint-keys {
  display: none;
  font-family: var(--font-sans);
  font-size: 11.5px;
  color: var(--ink-3);
  padding: 8px 12px 6px;
  border-top: 1px solid var(--border);
  margin-top: 4px;
}
@media (min-width: 700px) {
  .tcm-search.is-open .tcm-search-hint-keys { display: block; }
  .tcm-search-hint-keys kbd {
    font-family: var(--font-mono, monospace);
    font-size: 10.5px;
    background: var(--paper-2, #F4EEE3);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0 5px;
    margin: 0 1px;
  }
}