/* ===========================
   PaperMod 変数を活用したカスタムスタイル
   --theme    : ページ背景
   --entry    : カード背景
   --primary  : メインテキスト
   --secondary: サブテキスト
   --tertiary : ボーダー・無効色
   --content  : コンテンツテキスト
   --code-bg  : パネル背景
   --border   : ボーダー色
=========================== */

/* ===========================
   ベータ通知バー
=========================== */
.beta-notice {
  background: var(--code-bg);
  border-bottom: 1px solid var(--border);
}
.beta-notice > div {
  max-width: var(--main-width);
  margin: 0 auto;
  padding: 6px calc(var(--gap) * 2);
  font-size: 12px;
  color: var(--secondary);
  line-height: 1.5;
}
.beta-notice a {
  color: var(--primary);
  text-decoration: underline;
}
@media print {
  .beta-notice { display: none !important; }
}

/* ===========================
   ホームページ
=========================== */
.home-lead {
  padding: 8px 0 24px;
}
.home-lead p {
  margin: 0 0 6px;
  color: var(--content);
  font-size: 16px;
}
.home-meta {
  font-size: 13px !important;
  color: var(--secondary) !important;
}
.home-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.home-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: opacity 0.2s;
}
.home-btn:hover { opacity: 0.8; text-decoration: none; }
.home-btn-primary {
  background: var(--primary);
  color: var(--theme);
  border: 1px solid var(--primary);
}
.home-btn-secondary {
  background: var(--theme);
  color: var(--primary);
  border: 1px solid var(--tertiary);
}

/* ===========================
   共通ボタン
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--tertiary);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: opacity 0.15s, background 0.15s;
  text-decoration: none;
  white-space: nowrap;
  background: var(--theme);
  color: var(--primary);
}
.btn:hover:not(:disabled) { opacity: 0.8; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
  background: var(--primary);
  color: var(--theme);
  border-color: var(--primary);
}
.btn-secondary {
  background: var(--theme);
  color: var(--primary);
  border-color: var(--tertiary);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--tertiary);
}
.btn-sm  { padding: 4px 10px; font-size: 12px; }
.btn-large { padding: 12px 28px; font-size: 15px; }

/* 正解・不正解ボタン */
.btn-correct {
  background: #2e7d32;
  color: #fff;
  border-color: #2e7d32;
}
.btn-wrong {
  background: #c62828;
  color: #fff;
  border-color: #c62828;
}

/* ===========================
   言語ボタン（共通）
=========================== */
.lang-buttons { display: flex; flex-wrap: wrap; gap: 6px; }
.lang-btn {
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--tertiary);
  background: var(--theme);
  cursor: pointer;
  font-size: 13px;
  transition: background 0.15s, color 0.15s;
  color: var(--primary);
}
.lang-btn.active {
  background: var(--primary);
  color: var(--theme);
  border-color: var(--primary);
}
.lang-btn:hover:not(.active) { opacity: 0.7; }

/* ===========================
   オプション選択ボタングループ
   （学習ページのラジオ代替）
=========================== */
.opt-group { display: flex; flex-wrap: wrap; gap: 6px; }
.opt-btn {
  padding: 6px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--tertiary);
  background: var(--theme);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 5px;
}
.opt-btn.active {
  background: var(--primary);
  color: var(--theme);
  border-color: var(--primary);
}
.opt-btn:hover:not(.active) { opacity: 0.7; }

/* ===========================
   ドロップダウン
=========================== */
.dropdown { position: relative; display: inline-block; }
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 200;
  background: var(--entry);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0,0,0,.12);
  min-width: 210px;
  padding: 4px 0;
  margin-top: 4px;
}
.dropdown-item {
  display: block;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 13px;
  color: var(--content);
  white-space: nowrap;
}
.dropdown-item:hover { background: var(--code-bg); }

/* レベルバッジ */
.level-badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 10px;
  font-size: 11px;
  color: #fff;
  font-weight: 500;
  white-space: nowrap;
}

/* ===========================
   語彙リストページ
   main コンテナを20%広く
=========================== */
.main:has(.vocab-page) {
  max-width: min(93vw, 1400px);
}
/* :has() 非対応ブラウザ向けフォールバック */
.vocab-page { width: 100%; }

.vocab-page { max-width: 100%; margin: 0 auto; }
.vocab-header { margin-bottom: 16px; }
.vocab-header h1 { margin-bottom: 4px; }
.vocab-subtitle { color: var(--secondary); font-size: 13px; margin: 0; }

/* コントロールパネル */
.controls-panel {
  background: var(--entry);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.control-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  flex-wrap: wrap;
}
.control-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--secondary);
  min-width: 68px;
  padding-top: 5px;
  white-space: nowrap;
}

/* トグル */
.toggle-options { display: flex; flex-wrap: wrap; gap: 8px; }
.toggle-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  cursor: pointer;
  color: var(--content);
}
.toggle-chip input { accent-color: var(--primary); }

/* フィルター */
.filter-details { width: 100%; }
.filter-inner { padding: 2px 0; display: flex; flex-direction: column; gap: 10px; }
.filter-group { display: flex; align-items: flex-start; gap: 8px; flex-wrap: wrap; }
.filter-group-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--secondary);
  min-width: 68px;
  padding-top: 4px;
}
.filter-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 14px;
  border: 1px solid var(--border);
  font-size: 12px;
  cursor: pointer;
  background: var(--theme);
  color: var(--content);
}
.filter-chip input { accent-color: var(--primary); margin: 0; }
.chip-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

/* 検索 */
.search-input {
  flex: 1;
  max-width: 340px;
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  background: var(--theme);
  color: var(--content);
}
.search-input:focus {
  outline: none;
  border-color: var(--primary);
}

/* アクション */
.action-row { justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.select-actions, .download-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.selection-count { font-size: 13px; color: var(--secondary); font-weight: 600; }

/* テーブル */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.vocab-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: var(--entry);
  color: var(--content);
}
.vocab-table th {
  position: sticky;
  top: 0;
  background: var(--code-bg);
  padding: 9px 7px;
  text-align: left;
  border-bottom: 2px solid var(--border);
  font-weight: 600;
  white-space: nowrap;
  z-index: 10;
  color: var(--primary);
}
.vocab-table td {
  padding: 7px 7px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--content);
}
.vocab-table tr:last-child td { border-bottom: none; }
.vocab-table tbody tr:hover td { background: var(--code-bg); }
.row-selected td { background: color-mix(in srgb, var(--primary) 8%, var(--theme)) !important; }
.loading-cell { text-align: center; padding: 40px; color: var(--secondary); }

/* 列幅 */
.col-check  { width: 30px; text-align: center; }
.col-num    { width: 44px; text-align: center; color: var(--secondary); }
.col-word   { min-width: 90px; }
.col-reading{ min-width: 76px; }
.col-pos    { min-width: 66px; }
.col-level  { min-width: 88px; }
.col-freq   { width: 56px; text-align: right; }
.col-dist   { width: 66px; text-align: right; }
.col-sig    { width: 42px; text-align: center; }
.col-trans  { min-width: 150px; }
.col-example{ min-width: 190px; max-width: 300px; }
.col-fill   { min-width: 190px; max-width: 300px; }

/* ソート */
.sortable { cursor: pointer; user-select: none; }
.sortable:hover { opacity: 0.7; }
.sort-asc .sort-icon, .sort-desc .sort-icon { opacity: 0.9; }

/* ページネーション */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.page-info { font-size: 13px; color: var(--secondary); }
.page-btns { display: flex; gap: 4px; }
.pagination button {
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--theme);
  cursor: pointer;
  font-size: 13px;
  color: var(--primary);
  min-width: 34px;
}
.pagination button:hover { opacity: 0.7; }
.pagination button.active {
  background: var(--primary);
  color: var(--theme);
  border-color: var(--primary);
}

/* ===========================
   学習ページ
   main コンテナを20%広く
=========================== */
.main:has(.study-page) {
  max-width: min(80vw, 960px);
}
.study-page { max-width: 100%; margin: 0 auto; }
.study-page h1 { margin-bottom: 20px; }

/* セットアップグリッド */
.setup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.setup-card {
  background: var(--entry);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.setup-card-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--primary);
}
.toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  cursor: pointer;
  font-size: 13px;
  color: var(--content);
}
.toggle-label input { accent-color: var(--primary); }
.learned-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 13px;
  color: var(--secondary);
}
.setup-note { font-size: 12px; color: var(--secondary); margin-top: 8px; }
.setup-start { text-align: center; margin-top: 8px; }

/* 学習トップバー */
.study-topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.study-progress { flex: 1; display: flex; flex-direction: column; gap: 4px; min-width: 120px; }
#progress-text { font-size: 12px; color: var(--secondary); }
.progress-bar-wrap {
  height: 5px;
  background: var(--tertiary);
  border-radius: 3px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.3s;
}
.study-meta { display: flex; align-items: center; gap: 8px; }
.score-badge { font-size: 13px; color: var(--secondary); font-weight: 600; }
.learned-badge {
  font-size: 12px;
  background: var(--code-bg);
  color: var(--secondary);
  padding: 2px 8px;
  border-radius: 10px;
}
.card-container { min-height: 280px; }

/* フラッシュカード */
.flashcard {
  background: var(--entry);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 28px;
  cursor: pointer;
  text-align: center;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: box-shadow 0.2s;
}
.flashcard:hover { box-shadow: 0 4px 16px rgba(0,0,0,.1); }
.card-face { width: 100%; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.card-word { font-size: 34px; font-weight: 700; color: var(--primary); }
.card-pos-level { display: flex; gap: 6px; justify-content: center; }
.pos-tag {
  font-size: 11px;
  background: var(--code-bg);
  color: var(--secondary);
  padding: 2px 8px;
  border-radius: 10px;
}
.level-tag {
  font-size: 11px;
  background: var(--code-bg);
  color: var(--secondary);
  padding: 2px 8px;
  border-radius: 10px;
}
.card-tap-hint { font-size: 12px; color: var(--secondary); margin-top: 14px; }
.card-reading { font-size: 17px; color: var(--secondary); }
.card-translation { font-size: 19px; color: var(--content); font-weight: 500; }
.card-example {
  font-size: 12px;
  color: var(--secondary);
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: 4px;
  max-width: 480px;
  text-align: left;
  line-height: 1.7;
}
.fc-buttons { display: flex; gap: 14px; justify-content: center; margin-top: 20px; }
.fc-buttons .btn { min-width: 150px; justify-content: center; }

/* 選択問題 */
.mc-card { padding: 4px 0; }
.mc-card .card-word { font-size: 26px; font-weight: 700; text-align: center; margin-bottom: 6px; }
.mc-card .card-reading { text-align: center; font-size: 15px; color: var(--secondary); margin-bottom: 14px; }
.mc-example {
  background: var(--code-bg);
  border-left: 3px solid var(--tertiary);
  padding: 9px 12px;
  margin-bottom: 18px;
  border-radius: 4px;
  font-size: 13px;
  color: var(--secondary);
  line-height: 1.7;
}
.mc-choices { display: flex; flex-direction: column; gap: 8px; }
.mc-choice {
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--entry);
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  transition: background 0.15s;
  color: var(--content);
}
.mc-choice:hover:not(:disabled) { background: var(--code-bg); }
.choice-num { font-weight: 700; color: var(--secondary); min-width: 18px; }
.choice-correct { border-color: #2e7d32 !important; background: color-mix(in srgb, #2e7d32 10%, var(--entry)) !important; }
.choice-wrong   { border-color: #c62828 !important; background: color-mix(in srgb, #c62828 10%, var(--entry)) !important; }

/* 穴埋め問題 */
.fill-card { padding: 4px 0; }
.fill-question {
  font-size: 17px;
  line-height: 1.9;
  background: var(--code-bg);
  padding: 18px;
  border-radius: var(--radius);
  margin-bottom: 14px;
  color: var(--content);
}
.fill-hint { font-size: 13px; margin-bottom: 14px; color: var(--content); }
.hint-label { color: var(--secondary); }
.fill-input-row { display: flex; gap: 8px; margin-bottom: 10px; }
.fill-input {
  flex: 1;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  background: var(--theme);
  color: var(--content);
}
.fill-input:focus { outline: none; border-color: var(--primary); }
.fill-result {
  padding: 9px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 10px;
  min-height: 18px;
}
.fill-correct { background: color-mix(in srgb, #2e7d32 12%, var(--entry)); color: #1b5e20; }
.fill-wrong   { background: color-mix(in srgb, #c62828 10%, var(--entry)); color: #b71c1c; }
.fill-controls { font-size: 12px; color: var(--secondary); }
.fill-controls label { display: flex; align-items: center; gap: 5px; cursor: pointer; }
.fill-controls input { accent-color: var(--primary); }

/* 学習ナビ */
.study-nav-bar { display: flex; justify-content: center; gap: 14px; margin-top: 20px; }

/* 結果画面 */
.results-card {
  background: var(--entry);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
  text-align: center;
  max-width: 420px;
  margin: 0 auto;
}
.results-card h2 { font-size: 22px; margin-bottom: 20px; color: var(--primary); }
.results-stats { display: flex; gap: 20px; justify-content: center; margin-bottom: 28px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-value { font-size: 30px; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 12px; color: var(--secondary); }
.results-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ===========================
   学習記録セクション
=========================== */
.records-section {
  margin: 0 0 20px;
}
.records-toggle-btn {
  margin-bottom: 10px;
}
#records-panel {
  background: var(--entry);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.records-section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}
.records-summary {
  font-size: 13px;
  color: var(--secondary);
  margin: 0 0 10px;
}
.records-empty {
  font-size: 13px;
  color: var(--secondary);
  padding: 10px 0;
}
.records-table-wrap {
  overflow-x: auto;
  margin-bottom: 12px;
}
.records-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  color: var(--content);
}
.records-table th {
  background: var(--code-bg);
  padding: 7px 10px;
  text-align: left;
  border-bottom: 2px solid var(--border);
  font-weight: 600;
  white-space: nowrap;
  color: var(--primary);
}
.records-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
}
.records-table tr:last-child td { border-bottom: none; }
.records-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ===========================
   レスポンシブ
=========================== */
@media (max-width: 768px) {
  .setup-grid { grid-template-columns: 1fr; }
  .card-word { font-size: 26px; }
  .action-row { flex-direction: column; align-items: flex-start; }
  .fc-buttons { flex-direction: column; }
  .fc-buttons .btn { width: 100%; }
  .main:has(.vocab-page),
  .main:has(.study-page) { max-width: 98vw; }
}

/* ===========================
   印刷用
=========================== */
@media print {
  .controls-panel, .pagination, .study-nav-bar,
  nav, header, footer, #study-btn,
  .download-actions, .select-actions,
  .vocab-subtitle { display: none !important; }
  .vocab-page { max-width: 100%; }
  .vocab-table { font-size: 9pt; }
  .col-fill, #th-fill { display: none !important; }
  a[href]:after { content: none !important; }
  .main:has(.vocab-page) { max-width: 100% !important; }
}