/* ============================================================
   AUDIO PAD — upload, transcript and recording player for audio notes.
   Colours come from tokens.css so every theme applies unchanged.
============================================================ */

.audio-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 190px;
  padding: 28px 20px;
  text-align: center;
  background: var(--surface2);
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.audio-drop:hover,
.audio-drop:focus-visible,
.audio-drop.is-over {
  border-color: var(--accent);
  outline: none;
}
.audio-drop.is-over { background: var(--bg2); }
.audio-drop-icon { font-size: 2rem; line-height: 1; }
.audio-drop-title { font-weight: 600; color: var(--text); }
.audio-drop-link { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.audio-drop-sub { font-size: 0.8rem; color: var(--text3); }
.audio-drop-note { margin: 10px 0 0; }

.audio-busy {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 190px;
  padding: 24px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.audio-busy-title { font-weight: 600; color: var(--text); word-break: break-word; }
.audio-spinner {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  animation: audio-spin 0.8s linear infinite;
}
@keyframes audio-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .audio-spinner { animation-duration: 2.4s; }
}

.audio-file {
  margin-bottom: 16px;
  padding: 12px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.audio-file-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.audio-file-head .chip { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.audio-file-meta { font-size: 0.78rem; color: var(--text3); }
.audio-player { display: block; width: 100%; height: 40px; }

.audio-transcript { min-height: 280px; line-height: 1.6; }
.audio-hint .link-btn {
  background: none;
  border: 0;
  padding: 0;
  color: var(--accent);
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}

.audio-actions { display: flex; flex-wrap: wrap; gap: 6px; }

/* ---- note list / menu ---- */
.note-audio-dur { font-size: 0.74rem; color: var(--text3); margin-left: 6px; }
.note-pro-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  vertical-align: 2px;
  color: var(--on-accent);
  background: var(--accent);
  border-radius: 999px;
}

@media (max-width: 600px) {
  .audio-drop, .audio-busy { min-height: 150px; }
  .audio-transcript { min-height: 220px; }
}