:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --primary: #0a6cb8;
  --primary-dark: #084d82;
  --accent: #15a05a;
  --danger: #c0392b;
  --text: #1a1a1a;
  --muted: #6b7280;
  --border: #d8dde5;
}
* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}
header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 18px 28px;
}
header h1 { margin: 0; font-size: 22px; }
.subtitle { margin: 4px 0 0; font-size: 13px; opacity: 0.9; }
.meta { margin: 6px 0 0; font-size: 12px; opacity: 0.85; display: flex; align-items: center; gap: 10px; }
.meta strong { color: #fff; }
button.mini {
  padding: 3px 9px;
  font-size: 11px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.3);
}
button.mini:hover { background: rgba(255,255,255,0.3); }

main {
  max-width: 880px;
  margin: 24px auto;
  padding: 0 16px;
}
section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 16px;
}
section h2 {
  margin: 0 0 14px;
  font-size: 16px;
  color: var(--primary-dark);
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}
label input, label select, label textarea, textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  font-size: 14px;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: white;
  color: var(--text);
}
label input:focus, label select:focus, label textarea:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(10,108,184,0.15);
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .row { grid-template-columns: 1fr; } }

.recorder {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.recorder audio { flex: 1; min-width: 200px; }
.hint { font-size: 13px; color: var(--muted); margin: 0 0 12px; }
#recStatus { font-size: 13px; color: var(--muted); }

button {
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  padding: 9px 16px;
  border-radius: 6px;
  border: none;
  background: var(--primary);
  color: white;
  font-weight: 500;
}
button:hover { background: var(--primary-dark); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.recording { background: var(--danger); }
button.secondary { background: white; color: var(--primary); border: 1px solid var(--primary); }

.actions {
  display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px;
}
#generateBtn { background: var(--accent); padding: 12px 24px; font-size: 15px; }
#generateBtn:hover { background: #0e7a44; }

#result textarea {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  white-space: pre-wrap;
}
#status { font-size: 13px; color: var(--accent); min-height: 18px; }
#status.error { color: var(--danger); }

.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }