/* 松濤舎 過去問検索 — シンプル&読みやすさ重視 */
:root {
  --primary: #1a4d8f;
  --primary-light: #e8f0fa;
  --text: #222;
  --text-muted: #666;
  --border: #e0e0e0;
  --bg: #fafafa;
  --card-bg: #fff;
  --highlight: #fff3a3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.site-header {
  background: var(--primary);
  color: #fff;
  padding: 1.2rem 2rem;
}
.site-header h1 { margin: 0; font-size: 1.5rem; }
.site-header .subtitle { margin: 0.3rem 0 0; opacity: 0.85; font-size: 0.9rem; }

.container {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  max-width: 1280px;
  margin: 2rem auto;
  padding: 0 2rem;
}

@media (max-width: 800px) {
  .container { grid-template-columns: 1fr; }
}

/* サイドバー */
.sidebar {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem;
  height: fit-content;
  position: sticky;
  top: 1rem;
}
.sidebar h3 {
  font-size: 0.95rem;
  margin: 0 0 0.5rem;
  color: var(--primary);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.3rem;
}
.facet-block { margin-bottom: 1.4rem; }
.search-stats {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border);
}

#clear-refinements .clear-btn {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid var(--primary);
  background: #fff;
  color: var(--primary);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}
#clear-refinements .clear-btn:hover { background: var(--primary-light); }
#clear-refinements .clear-btn[disabled] {
  opacity: 0.4; cursor: not-allowed;
}

/* 検索ボックス */
#searchbox { margin-bottom: 1.5rem; }
.ais-SearchBox-form {
  position: relative;
}
.ais-SearchBox-input {
  width: 100%;
  padding: 0.9rem 1rem 0.9rem 2.5rem;
  font-size: 1.05rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: #fff;
  transition: border-color 0.15s;
}
.ais-SearchBox-input:focus {
  outline: none;
  border-color: var(--primary);
}
.ais-SearchBox-submit { display: none; }
.ais-SearchBox-reset { right: 1rem; }

/* 結果カード */
.hit-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem 1.4rem;
  margin-bottom: 1rem;
  transition: box-shadow 0.15s;
}
.hit-card:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  border-color: #c0d0e0;
}
.hit-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  color: var(--primary);
}
.hit-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}
.hit-snippet {
  margin: 0.5rem 0 1rem;
  color: #333;
  font-size: 0.92rem;
  line-height: 1.55;
}
.hit-snippet mark {
  background: var(--highlight);
  padding: 0 2px;
  border-radius: 2px;
}
.hit-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.hit-link {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border-radius: 4px;
  text-decoration: none;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  color: var(--text);
  background: #f6f6f6;
}
.hit-link:hover { background: #ececec; }
.hit-link.primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.hit-link.primary:hover { background: #143b6f; }

.empty-msg {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
  background: var(--card-bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}

/* セットアップ未完了表示 */
.setup-notice {
  background: #fff8e1;
  border: 1px solid #ffd54f;
  border-radius: 8px;
  padding: 1.5rem;
}
.setup-notice h2 { margin-top: 0; color: #b08400; }
.setup-notice code {
  background: #f5f5f5;
  padding: 0.1em 0.4em;
  border-radius: 3px;
  font-family: "SF Mono", Menlo, monospace;
  font-size: 0.9em;
}

/* InstantSearch refinement list 調整 */
.ais-RefinementList-list { padding-left: 0; list-style: none; margin: 0; }
.ais-RefinementList-item { margin-bottom: 0.3rem; font-size: 0.9rem; }
.ais-RefinementList-checkbox { margin-right: 0.4rem; }
.ais-RefinementList-count {
  background: #eee;
  font-size: 0.75rem;
  padding: 0 0.5em;
  border-radius: 10px;
  margin-left: 0.3em;
  color: var(--text-muted);
}
.ais-RefinementList-showMore {
  font-size: 0.8rem;
  color: var(--primary);
  background: none;
  border: none;
  cursor: pointer;
  margin-top: 0.4rem;
  padding: 0;
}

/* ページネーション */
#pagination {
  margin-top: 2rem;
  text-align: center;
}
.ais-Pagination-list {
  display: inline-flex;
  gap: 0.3rem;
  list-style: none;
  padding: 0;
}
.ais-Pagination-link {
  display: block;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-decoration: none;
  color: var(--text);
  background: #fff;
}
.ais-Pagination-item--selected .ais-Pagination-link {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}