/* ============================================================
   アクセントエディタ (AccentEditorCard)
   ============================================================ */
/* #tab-create 配下に限定して適用 */
#tab-create .accent-editor-card {
  --separator-bg-hover: #eef2ff;
  --separator-icon-merge: #22c55e; /* Green */
  --separator-icon-split: #3b82f6; /* Blue */
  
  display: block;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  margin-top: 8px;
  box-shadow: var(--shadow-sm);
  color: var(--text-color);
}

body.dark-mode #tab-create .accent-editor-card {
  --separator-bg-hover: #374151;
}

#tab-create .accent-editor-card .editor-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

#tab-create .accent-editor-card h3 {
  margin: 0;
  font-size: 0.9em;
  font-weight: 600;
  color: var(--text-color);
}

#tab-create .accent-editor-card .editor-content {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  background-color: var(--bg-secondary);
  padding: 12px;
  border-radius: 6px;
  overflow-x: auto;
  border: 1px solid var(--border-color);
}

#tab-create .accent-editor-card .accent-phrase {
  display: flex;
  align-items: center;
  padding: 0 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* モーラ（文字）とアクセント核 */
#tab-create .accent-editor-card .mora {
  display: inline-block;
  position: relative;
  padding: 10px 2px 6px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-color);
  user-select: none;
}

/* アクセント核のマーカー */
#tab-create .accent-editor-card .mora::before {
  content: '▼';
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  color: transparent;
  transition: color 0.2s ease;
}

#tab-create .accent-editor-card .mora.accent-kernel::before {
  color: var(--danger-color);
}

/* 句の結合・分割ハンドル */
#tab-create .accent-editor-card .phrase-separator {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  cursor: pointer;
  border-radius: 4px;
  transition: background-color 0.2s ease;
  flex-shrink: 0;
}

#tab-create .accent-editor-card .merge-handle {
  width: 24px;
  border-left: 2px dashed var(--border-color);
  border-right: 2px dashed var(--border-color);
  margin: 0 4px;
}
#tab-create .accent-editor-card .merge-handle:hover {
  background-color: var(--separator-bg-hover);
}

#tab-create .accent-editor-card .split-handle {
  width: 12px;
}
#tab-create .accent-editor-card .split-handle:hover {
  background-color: var(--separator-bg-hover);
}

#tab-create .accent-editor-card .separator-icon {
  font-size: 16px;
  font-weight: bold;
  color: var(--text-muted-color);
  user-select: none;
  transition: color 0.2s ease, opacity 0.2s ease;
  opacity: 0.3;
}

#tab-create .accent-editor-card .split-handle .separator-icon {
  opacity: 0;
}
#tab-create .accent-editor-card .phrase-separator:hover .separator-icon {
  opacity: 1;
}
#tab-create .accent-editor-card .merge-handle:hover .separator-icon { 
  color: var(--separator-icon-merge); 
}
#tab-create .accent-editor-card .split-handle:hover .separator-icon { 
  color: var(--separator-icon-split); 
}


#tab-create #combined-preview-area {
  margin-top: 16px;
  margin-bottom: 32px; 
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--bg-secondary);
  display: none; 
  flex-direction: column;
  gap: 12px;
  transition: background-color 0.3s, border-color 0.3s;
}

#tab-create #combined-preview-area.visible {
  display: flex;
}


#tab-create #combined-preview-area .preview-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  width: 100%;
}

#tab-create #combined-preview-area input[type="text"] {
  width: 100%;
  padding: 8px;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  box-sizing: border-box;
  background-color: var(--bg-card);
  color: var(--text-color);
}

#tab-create #combined-preview-area audio {
  flex: 1;
  height: 40px;
}


@media (max-width: 600px) {
  #tab-create #combined-preview-area .preview-row {
    flex-direction: column;
    align-items: stretch;
  }
  #tab-create #combined-preview-area audio {
    flex: unset;
    width: 100%;
  }
}

#tab-create #combined-preview-area .button-group {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}


body.dark-mode #tab-create #combined-preview-area audio::-webkit-media-controls-panel {
  background-color: #505050; 
}
body.dark-mode #tab-create #combined-preview-area audio::-webkit-media-controls-current-time-display,
body.dark-mode #tab-create #combined-preview-area audio::-webkit-media-controls-time-remaining-display {
  color: var(--text-color);
}
body.dark-mode #tab-create #combined-preview-area audio::-webkit-media-controls-enclosure {
  background-color: transparent;
}


/* ============================================================
   音声カード (Player Card)
   ※【重要】#tab-create 配下のみに適用することで、他画面のカードへの干渉を防ぐ
   ============================================================ */
#tab-create .player-card {
  --model-accent-color: var(--border-color);
  --model-accent-bg: transparent;

  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  
  background: var(--model-accent-bg, var(--bg-card));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  
  border: 1.5px solid var(--model-accent-color);
  box-shadow: var(--shadow-sm);
  
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 12px;
  
  transition: box-shadow 0.25s ease, border-color 0.25s ease, background-color 0.3s;
}

#tab-create .player-card:hover {
  box-shadow: var(--shadow-md);
}

#tab-create .player-card:focus-within {
  border-width: 2px;
  border-color: var(--model-accent-color);
  box-shadow: 0 0 8px var(--model-accent-color);
}

#tab-create .player-card.is-error {
  background: rgba(255, 230, 230, 0.85);
  border-color: var(--danger-color);
}
body.dark-mode #tab-create .player-card.is-error {
  background: rgba(77, 29, 43, 0.85);
}

#tab-create .player-card.accent-editor-active {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-color: transparent;
}

/* カードメインエリア */
#tab-create .player-card .card-main {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

#tab-create .player-card .card-text-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

#tab-create .player-card .card-index {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted-color);
  padding-top: 10px;
}

#tab-create .player-card .editable-text {
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-secondary);
  color: var(--text-color);
  flex-grow: 1;
  font-size: 1.05rem;
  line-height: 1.6;
  transition: all 0.2s;
  min-height: 24px;
}

#tab-create .player-card .editable-text:focus {
  background-color: var(--bg-card);
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(94, 93, 240, 0.2);
}

#tab-create .player-card .btn-card-synth {
  align-self: flex-end;
  margin-bottom: 2px;
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: 16px !important;
  flex-shrink: 0;
  height: 32px;
}

#tab-create .player-card .card-footer {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 4px;
}

#tab-create .player-card .error-message {
  color: var(--danger-color);
  font-weight: 500;
  font-size: 0.9rem;
}

#tab-create .player-card .card-status {
  font-size: 0.85rem;
  color: var(--text-muted-color);
}

/* 操作ボタン群 */
#tab-create .player-card .player-actions-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
  justify-content: space-between;
  min-height: 70px;
}

#tab-create .player-card .player-actions {
  display: flex;
  gap: 4px;
  background-color: var(--bg-hover);
  border-radius: 20px;
  padding: 4px;
}

#tab-create .player-card .icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background-color: transparent;
  color: var(--text-muted-color);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

#tab-create .player-card .icon-btn:hover {
  background-color: var(--bg-card);
  color: var(--text-color);
  transform: scale(1.1);
  box-shadow: var(--shadow-sm);
}

#tab-create .player-card .icon-btn.btn-regenerate:hover { color: var(--primary-color); }
#tab-create .player-card .icon-btn.btn-add:hover { color: var(--success-color); }
#tab-create .player-card .icon-btn.btn-delete:hover { color: var(--danger-color); }

#tab-create .player-card .icon-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
  background-color: transparent;
}

#tab-create .player-card .card-model-name {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-color);
  background-color: var(--model-accent-color);
  opacity: 0.7;
  padding: 3px 10px;
  border-radius: 20px;
  align-self: flex-end;
  transition: background-color 0.3s;
}
#tab-create .player-card .card-model-name:empty {
  display: none;
}

/* カード設定（音量・時間） */
#tab-create .player-card .card-settings-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  width: 100%;
}

#tab-create .player-card .volume-control,
#tab-create .player-card .start-time-control {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted-color);
}

#tab-create .player-card .volume-slider {
  width: 70px;
  margin: 0;
}

#tab-create .player-card .start-time-input {
  width: 55px;
  padding: 4px 6px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-secondary);
  color: var(--text-color);
  text-align: center;
  font-size: 0.85rem;
}

#tab-create .player-card .start-time-input:focus {
  border-color: var(--primary-color);
  background-color: var(--bg-card);
}

/* カード内オーディオプレイヤーのダークモード調整 */
body.dark-mode #tab-create .player-card audio::-webkit-media-controls-panel {
  background-color: #505050;
}
body.dark-mode #tab-create .player-card audio::-webkit-media-controls-current-time-display,
body.dark-mode #tab-create .player-card audio::-webkit-media-controls-time-remaining-display {
  color: var(--text-color);
}
body.dark-mode #tab-create .player-card audio::-webkit-media-controls-enclosure {
  background-color: transparent;
}


/* ============================================================
   タイムライン (Timeline)
   ※ #tab-create 配下に限定して適用
   ============================================================ */

/* タイムラインラッパー */
#tab-create #create-timeline-wrapper {
  flex-shrink: 0;
  overflow-x: auto;
  padding: 10px 0;
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-sm);
  position: relative;
  margin-bottom: 20px;
  scroll-behavior: smooth;
}

body.dark-mode #tab-create #create-timeline-wrapper {
  background-color: #2c2c2c;
}

/* タイムライン本体 */
#tab-create #create-timeline {
  position: relative;
  min-height: 52px;
}

/* ルーラー（目盛り） */
#tab-create #timeline-ruler .ruler-tick {
  position: absolute;
  bottom: 0;
  width: 1px;
  background-color: #aaa;
}
#tab-create #timeline-ruler .ruler-tick.major {
  height: 10px;
  background-color: #333;
}
#tab-create #timeline-ruler .ruler-tick.minor {
  height: 5px;
}
#tab-create #timeline-ruler .ruler-label {
  position: absolute;
  bottom: 10px;
  transform: translateX(-50%);
  color: var(--text-muted-color);
}

body.dark-mode #tab-create #timeline-ruler .ruler-tick { background-color: #666; }
body.dark-mode #tab-create #timeline-ruler .ruler-tick.major { background-color: #ccc; }
body.dark-mode #tab-create #timeline-ruler .ruler-label { color: var(--text-color); }

#tab-create .timeline-track {
  --model-accent-color: #ccc;
  --model-accent-bg-light: #f0f0f0;
  --model-accent-bg-dark: #e0e0e0;
  --model-accent-text-color: #333;

  position: absolute;
  height: 48px;
  background: linear-gradient(to bottom, var(--model-accent-bg-light), var(--model-accent-bg-dark));
  border-radius: 4px;
  border: 1px solid var(--model-accent-color);
  box-sizing: border-box;
  overflow: hidden;
  cursor: grab;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.3s;
  z-index: 1; /* 重なり順のベース */
}

body.dark-mode #tab-create .timeline-track {
  --model-accent-color: #555;
  --model-accent-bg-light: #4a4a4a;
  --model-accent-bg-dark: #3a3a3a;
  --model-accent-text-color: #fff;
}

#tab-create .timeline-track:active {
  cursor: grabbing;
  z-index: 100; /* ドラッグ中は最前面に */
}

/* 波形エリア */
#tab-create .timeline-track .waveform {
  height: 30px;
  background-color: transparent;
  width: 100%;
  box-sizing: border-box; /* box-shadowがはみ出ないように */
  border-radius: 2px 2px 0 0; /* 上部の角を少し丸める */
  transition: box-shadow 0.25s ease;
}

/* ラベルエリア */
#tab-create .timeline-track .track-label {
  background-color: var(--model-accent-color);
  color: var(--model-accent-text-color);
  font-size: 11px;
  padding: 1px 8px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s, color 0.3s;
}

#tab-create .timeline-track.is-active {
  border-color: var(--model-accent-color);
  z-index: 101;
}

#tab-create .timeline-track.is-active .waveform {
  box-shadow: inset 0 0 5px 1px var(--model-accent-color);
}