body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #f9f9fb;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  color: #111;
}

.container {
  text-align: center;
  background: white;
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.05);
  width: 90%;
  max-width: 400px;
}

.title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1rem;
  color: #555;
  margin-bottom: 2rem;
}

.input {
  width: 100%;
  padding: 0.8rem;
  margin: 1rem 0;
  border: 1px solid #ddd;
  border-radius: 12px;
  font-size: 1rem;
  outline: none;
  transition: border 0.2s;
}
.input:focus {
  border-color: #007aff;
}

.btn-primary {
  background: #007aff;
  color: white;
  border: none;
  padding: 0.9rem 1.2rem;
  margin: 0.5rem 0;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: background 0.2s;
}
.btn-primary:hover {
  background: #0063cc;
}

.btn-secondary {
  background: #f1f1f5;
  color: #333;
  border: none;
  padding: 0.9rem 1.2rem;
  margin: 0.5rem 0;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
  transition: background 0.2s;
}
.btn-secondary:hover {
  background: #e2e2e7;
}

.hidden {
  display: none;
}

/* NEW: Style for audio file input */
#audioFileInput {
  display: inline-block;
  margin-bottom: 0.5rem;
  margin-top: 0.5rem;
  border-radius: 12px;
  border: 1px solid #bbb;
  padding: 0.4rem;
}

#audioFileInput + label {
  font-size: 0.98rem;
  color: #007aff;
  margin-left: 0.5rem;
  cursor: pointer;
}