/* =============================
   ベースレイアウト
============================= */
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #f5f6fa;
  color: #333;
  margin: 0;
  line-height: 1.6;
}

header {
  background: #1f2937;
  color: #fff;
  padding: 1rem 1.5rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

header h1 {
  margin: 0 0 .5rem 0;
  font-size: 1.2rem;
  font-weight: 600;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.tab-button {
  background: #374151;
  color: #fff;
  border: 1px solid #4b5563;
  border-radius: .4rem;
  padding: .4rem .8rem;
  font-size: .9rem;
  cursor: pointer;
}
.tab-button.active {
  background: #10b981;
  border-color: #10b981;
  color: #0f172a;
  font-weight: 600;
}

main {
  padding: 1rem 1.5rem 4rem;
  max-width: 1300px;
  margin: 0 auto;
}

.tab-content {
  display: none;
  background: #fff;
  border-radius: .6rem;
  padding: 1rem 1.2rem 2rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  border: 1px solid #e5e7eb;
  margin-bottom: 2rem;
}
.tab-content.active {
  display: block;
}

h2 {
  font-size: 1rem;
  margin: .2rem 0 1rem;
  color: #111827;
  font-weight: 600;
}

h3 {
  font-size: .9rem;
  font-weight: 600;
  color: #111827;
  margin: 0 0 .5rem;
}

/* =============================
   フィルタ・一覧テーブル
============================= */
.filter-area {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1rem;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: .5rem;
  padding: .75rem;
}
.filter-area input,
.filter-area select {
  border: 1px solid #d1d5db;
  border-radius: .4rem;
  padding: .4rem .6rem;
  font-size: .8rem;
  min-height: 2rem;
  background: #fff;
}
.filter-area button {
  background: #10b981;
  color: #0f172a;
  border: 1px solid #10b981;
  border-radius: .4rem;
  padding: .4rem .8rem;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 2rem;
}

#questionTable {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
  background: #fff;
  border: 1px solid #e5e7eb;
}
#questionTable th {
  background: #f3f4f6;
  padding: .5rem .6rem;
  border-bottom: 1px solid #e5e7eb;
  text-align: left;
  font-weight: 600;
  color: #374151;

  /* ▼ 追加：ヘッダー固定 */
  position: sticky;
  top: 0;
  z-index: 2;
}
#questionTable td {
  padding: .5rem .6rem;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: top;
  color: #1f2937;
}
#questionTable tr:hover {
  background: #f9fafb;
  cursor: pointer;
}

#detailArea {
  margin-top: 1rem;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: .5rem;
  padding: 1rem;
  font-size: .85rem;
}
#detailArea h3 {
  margin-top: 0;
  font-size: .9rem;
  font-weight: 600;
  color: #111827;
}
#questionDetail pre {
  background: #fff;
  border: 1px solid #d1d5db;
  border-radius: .4rem;
  padding: .5rem .6rem;
  white-space: pre-wrap;
  font-size: .75rem;
  line-height: 1.4;
  color: #374151;
}

.hidden {
  display: none;
}

/* =============================
   編集モード・ロック操作セクション
============================= */
.io-section {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: .5rem;
  padding: 1rem;
  margin-bottom: 1rem;
}
.io-section h3 {
  margin-top: 0;
  font-size: .9rem;
  font-weight: 600;
  color: #111827;
}

.mode-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: .8rem;
  color: #374151;
  margin-bottom: .75rem;
}
.mode-row label {
  display: flex;
  align-items: center;
  gap: .3rem;
  cursor: pointer;
  user-select: none;
}
.lock-row {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
}
.danger-btn {
  background: #ef4444;
  color: #fff;
  border: 1px solid #ef4444;
  border-radius: .5rem;
  padding: .5rem .8rem;
  font-weight: 600;
  font-size: .8rem;
  cursor: pointer;
  min-height: 2rem;
}
.danger-btn:hover {
  background: #dc2626;
  border-color: #dc2626;
}
.small-hint {
  font-size: .7rem;
  color: #6b7280;
  line-height: 1.4;
}

/* =============================
   作問フォーム
============================= */

#tab-create form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .75rem;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  font-size: .8rem;
  color: #374151;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  border: 1px solid #d1d5db;
  border-radius: .4rem;
  padding: .5rem .6rem;
  font-size: .8rem;
  background: #fff;
  min-height: 2rem;
  resize: none;
}

.form-buttons button#saveBtn {
  min-width: 10rem;
}
.form-buttons button#resetBtn {
  background: #fff;
  color: #374151;
  border: 1px solid #d1d5db;
}

/* =============================
   症例ブロック / コメント・解説ブロック / タイムスタンプブロック
============================= */
.case-block {
  border: 1px solid #e5e7eb;
  border-radius: .5rem;
  padding: .75rem;
  background: #f9fafb;
}
.case-block legend {
  font-size: .85rem;
  font-weight: 600;
  color: #111827;
}
.case-block label {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: .75rem;
  font-size: .8rem;
  color: #374151;
}
.case-block textarea {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: .4rem;
  padding: .5rem .6rem;
  font-size: .8rem;
  min-height: 4rem;
  line-height: 1.4;
  background: #fff;
  resize: vertical;
}
#caseText {
  min-height: 4rem;
}

/* =============================
   リッチテキストエディタ
============================= */
.question-block {
  border: 1px solid #e5e7eb;
  border-radius: .5rem;
  background: #fff;
  padding: 0;
}
.question-block legend {
  font-size: .85rem;
  font-weight: 600;
  color: #111827;
}

.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  padding: .5rem;
  background: #f9fafb;
  border-bottom: 1px solid #e5e7eb;
  border-radius: .5rem .5rem 0 0;
}
.editor-toolbar.mini {
  border-radius: .4rem;
  border: 1px solid #e5e7eb;
  background: #f9fafb;
  padding: .25rem .4rem;
  gap: .4rem;
}

.rt-btn {
  background: #fff;
  border: 1px solid #d1d5db;
  border-radius: .4rem;
  padding: .3rem .5rem;
  cursor: pointer;
  font-weight: 600;
  font-size: .8rem;
  line-height: 1;
  min-height: 2rem;
  min-width: 2rem;
  text-align: center;
  color: #1f2937;
}
.rt-btn:hover {
  background: #f3f4f6;
}

.editor-toolbar select,
.editor-toolbar .rt-template {
  border: 1px solid #d1d5db;
  border-radius: .4rem;
  background: #fff;
  font-size: .75rem;
  padding: .3rem .5rem;
  line-height: 1.2;
  min-height: 2rem;
  color: #1f2937;
  cursor: pointer;
}

.speciesSelect.mini {
  font-size: .7rem;
  min-height: 1.8rem;
  padding: .2rem .4rem;
}

.rich-editor {
  min-height: 6rem;
  padding: .75rem;
  font-size: .85rem;
  line-height: 1.5;
  border: 1px solid #e5e7eb;
  border-radius: 0 0 .5rem .5rem;
  background: #fff;
  word-break: break-word;
  outline: none;
}
.rich-editor.choice {
  min-height: 3rem;
  border-radius: .4rem;
}
.rich-editor:focus {
  outline: 2px solid #93c5fd;
  border-color: #93c5fd;
}

/* =============================
   選択肢ブロック
============================= */
.choices {
  border: 1px solid #e5e7eb;
  border-radius: .5rem;
  padding: .75rem;
  background: #f9fafb;
}
.choices legend {
  font-size: .85rem;
  font-weight: 600;
  color: #111827;
}
.choice-row {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: .75rem;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: .5rem;
  padding: .5rem .6rem .6rem;
}
.choice-label {
  font-size: .8rem;
  font-weight: 600;
  color: #111827;
}
.choice-row label {
  font-size: .75rem;
  color: #374151;
  display: flex;
  align-items: center;
  gap: .4rem;
}

/* =============================
   画像添付
============================= */
.image-block {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.image-block input[type="file"] {
  font-size: .8rem;
  background: #fff;
  border: 1px solid #d1d5db;
  border-radius: .4rem;
  padding: .4rem;
  width: 100%;
  max-width: 360px;
  min-height: 2rem;
  color: #1f2937;
}
.image-preview-area {
  min-height: 2rem;
  font-size: .75rem;
  color: #6b7280;
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  flex-wrap: wrap;
}

/* =============================
   キーワード
============================= */
fieldset > legend {
  font-size: .85rem;
  font-weight: 600;
  color: #111827;
}
#keywordInput {
  background: #fff;
  border: 1px solid #d1d5db;
  border-radius: .4rem;
  padding: .5rem .6rem;
  font-size: .8rem;
  width: 100%;
  max-width: 600px;
  min-height: 2rem;
}
.suggest-box {
  background: #fff;
  border: 1px solid #d1d5db;
  border-radius: .4rem;
  padding: .4rem;
  margin-top: .4rem;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  font-size: .75rem;
  max-width: 600px;
}
.suggest-item {
  background: #e0f2fe;
  border: 1px solid #7dd3fc;
  color: #075985;
  border-radius: .4rem;
  padding: .2rem .5rem;
  cursor: pointer;
  line-height: 1.2;
}
.suggest-item:hover {
  background: #bae6fd;
}

/* =============================
   ボタン
============================= */
.form-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: .5rem;
}
.form-buttons button {
  background: #10b981;
  color: #0f172a;
  border: 1px solid #10b981;
  border-radius: .5rem;
  padding: .6rem 1rem;
  font-weight: 600;
  font-size: .8rem;
  cursor: pointer;
  min-height: 2rem;
}
.form-buttons button[type="reset"] {
  background: #fff;
  color: #374151;
  border: 1px solid #d1d5db;
}

/* detailエリア内のボタン(一覧→編集/複製) */
#detailArea .form-buttons button {
  background: #10b981;
  color: #0f172a;
  border: 1px solid #10b981;
  border-radius: .5rem;
  padding: .5rem .8rem;
  font-weight: 600;
  font-size: .8rem;
  cursor: pointer;
  min-height: 2rem;
}

/* 補足説明など */
.info-note {
  font-size: .75rem;
  color: #6b7280;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: .5rem;
  padding: .5rem .75rem;
  line-height: 1.4;
}

/* =============================
   ロック状態
============================= */
.locked .locked-field {
  background: #f3f4f6 !important;
  color: #6b7280 !important;
  border-color: #d1d5db !important;
}

.locked [data-lock="hard"] {
  background: #f3f4f6;
  color: #6b7280;
  border-color: #d1d5db;
  pointer-events: none;
}

.locked [data-lock="hard"].rich-editor {
  outline: none;
  border-color: #d1d5db;
}

.locked .editor-toolbar [data-lock="hard"],
.locked .editor-toolbar select[data-lock="hard"],
.locked .editor-toolbar button[data-lock="hard"] {
  opacity: .4;
  pointer-events: none;
}

/* data-lock="soft" は編集可能 */

/* =============================
   入出力タブのUI（流用）
============================= */
.io-section input[type="file"] {
  font-size: .8rem;
  background: #fff;
  border: 1px solid #d1d5db;
  border-radius: .4rem;
  padding: .4rem;
  width: 100%;
  max-width: 360px;
  min-height: 2rem;
  color: #1f2937;
}

.io-section button {
  background: #10b981;
  color: #0f172a;
  border: 1px solid #10b981;
  border-radius: .5rem;
  padding: .6rem 1rem;
  font-weight: 600;
  font-size: .8rem;
  cursor: pointer;
  min-height: 2rem;
}

/* =============================
   フッター
============================= */
footer {
  text-align: center;
  font-size: .75rem;
  color: #6b7280;
  padding: 2rem 1rem 4rem;
}

/* =============================
   レスポンシブ
============================= */
@media (max-width: 700px) {
  header h1 {
    font-size: 1rem;
  }
  .tab-button {
    font-size: .8rem;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .editor-toolbar {
    gap: .4rem;
  }
  .editor-toolbar select {
    font-size: .7rem;
  }
}

/* 問題一覧スクロール領域 */
#tableScroll {
  max-height: 300px;
  overflow-y: auto;
  overflow-x: auto; /* ← 追加 */
  margin-bottom: 1rem;
  border: 1px solid #e5e7eb;
  border-radius: .5rem;
  white-space: nowrap; /* ← 追加：カラムを潰さず横スクロールさせる */
}

#questionTable th,
#questionTable td {
  white-space: nowrap; /* セル内で勝手に折り返さない */
  max-width: 400px;    /* 問題文セルなどが暴走しないように */
  text-overflow: ellipsis;
  overflow: hidden;
}


/* 詳細表示を表に被せないように調整 */
#detailArea {
  position: relative;          /* fixedをやめる */
  background: #f9fafb;
  border-top: 2px solid #ccc;
  padding: 12px;
  margin-top: 16px;            /* 表との間隔を確保 */
  border-radius: 0.5rem;
}

/* ヘッダーと閉じるボタン */
.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.close-btn {
  background: #e11d48;
  color: #fff;
  border: none;
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
}

.close-btn:hover {
  background: #be123c;
}

span.greenmark {
  background-color:rgba(53, 255, 2, 0.1) ;
  border-radius: 5px;
  margin: 0px 2px;
  padding: 0px 2px;
}

.loaded-files {
   margin-top: .5rem;
   font-size: .8rem;
   color: #555;
}
.loaded-files span {
  display: inline-block;
  background: #eef;
  padding: 2px 6px;
  margin: 2px 4px 0 0;
  border-radius: 4px;
}

/* --- パイ型スクロール進捗インジケーター（シックver.） --- */
#scroll-progress-pie {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 65px;
  height: 65px;
  border-radius: 50%;
  background: conic-gradient(#6c757d 0%, #6c757d 0%, #2b2f33 0%);
  display: none;
  align-items: center;
  justify-content: center;
  font-family: "Montserrat", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: #f1f1f1;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  z-index: 999;
  transition: transform 0.25s ease, box-shadow 0.3s ease, background 0.3s ease;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.05) inset,
    0 6px 16px rgba(0, 0, 0, 0.4);
  background-blend-mode: multiply;
  backdrop-filter: blur(4px);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

/* --- ホバー時：上品な動きだけ（派手な光はナシ） --- */
#scroll-progress-pie:hover {
  transform: scale(1.08);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.1) inset,
    0 8px 20px rgba(0, 0, 0, 0.45);
}

/* --- スクロール完了時（静かな達成感のグリーン） --- */
#scroll-progress-pie.fully-scrolled {
  background: conic-gradient(#198754 100%, #198754 100%, #2b2f33 0%);
  color: #e9ecef;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.1) inset,
    0 8px 20px rgba(0, 0, 0, 0.45);
}

/* --- 出現時のフェードイン効果 --- */
#scroll-progress-pie.show {
  display: flex;
  animation: fadeInScale 0.4s ease forwards;
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* --- 「TOP」文字を中央に完全固定する --- */
#scroll-progress-pie::before {
  content: "⇧";
  position: absolute;
  top: 46%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 22px;
  color: inherit;
  font-weight: 600;
  text-shadow: 0 0 4px rgba(0, 0, 0, 0.5);
}

/* --- 文字「TOP」を下部に控えめに配置 --- */
#scroll-progress-pie::after {
  content: "TOP";
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: 1.5px;
  opacity: 0.8;
}