body { max-width: 820px; margin: 0 auto; padding: 0 1.2em; }
.ep-meta { color: #777; font-size: 0.88em; margin-bottom: 1em; }
.ep-body { line-height: 1.65; }
.ep-part { margin: 1.2em 0; }
.ep-part-label { font-size: 0.9em; color: #555; margin-bottom: 0.3em; }
audio { display: block; width: 100%; max-width: 540px; }
.mp3-link { font-size: 0.85em; color: #777; margin-top: 0.3em; }
.atb-artists { margin: 0.8em 0; font-size: 0.93em; }
.atb-transcript { margin-top: 2em; }
.atb-transcript h3 { font-size: 1em; color: #4F62B5; margin-bottom: 1em; }
.atb-ai-info {
  display: inline-block; width: 1.15em; height: 1.15em; line-height: 1.15em;
  border: 1.5px solid #4F62B5; border-radius: 50%; text-align: center;
  font-size: 0.78em; font-weight: bold; color: #4F62B5;
  cursor: pointer; vertical-align: middle; margin-left: 0.45em;
  font-style: normal; user-select: none;
}
.atb-ai-info:hover { background: #4F62B5; color: #fff; }
dialog.atb-ai-dialog {
  border: 1px solid #ccc; border-radius: 6px; padding: 1.4em 1.6em;
  max-width: 480px; font-size: 0.9em; line-height: 1.6;
  box-shadow: 0 4px 18px rgba(0,0,0,0.15);
}
dialog.atb-ai-dialog::backdrop { background: rgba(0,0,0,0.35); }
dialog.atb-ai-dialog p { margin: 0 0 1em; }
dialog.atb-ai-dialog button {
  background: #4F62B5; color: #fff; border: none; border-radius: 3px;
  padding: 0.3em 1.2em; cursor: pointer; font-size: 0.95em;
}
dialog.atb-ai-dialog button:hover { background: #3a4d9a; }
.atb-transcript-part + .atb-transcript-part { margin-top: 1.8em; border-top: 1px dashed #ccc; padding-top: 1.2em; }
.atb-part-label { font-size: 0.88em; color: #555; margin-bottom: 0.8em; font-weight: bold; }
.atb-speech { display: flex; gap: 0.55em; margin: 0.65em 0; align-items: flex-start; }
.atb-tc {
  background: none; border: 1px solid #b0bbd8; border-radius: 2px;
  color: #4F62B5; font: 0.76em/1.5 monospace; padding: 0 4px;
  cursor: pointer; white-space: nowrap; flex-shrink: 0; margin-top: 0.15em;
}
.atb-tc:hover { background: #4F62B5; color: #fff; border-color: #4F62B5; }
.atb-speech-text p { margin: 0 0 0.35em; line-height: 1.6; font-size: 0.92em; }
.atb-music {
  display: inline-flex; align-items: center; gap: 0.35em;
  background: #fdf7ee; border: 1px solid #d4b896; border-radius: 3px;
  padding: 2px 10px 2px 7px; margin: 0.35em 0; cursor: pointer; font-size: 0.87em;
}
.atb-music:hover { background: #f5e8d0; }
.atb-m-note { color: #8b6c3e; font-size: 1.05em; }
.atb-m-start { font-family: monospace; font-weight: bold; color: #5a3e1b; }
.atb-m-dur { color: #8b6c3e; }