/* Solo le personalizzazioni che Bootstrap non fornisce direttamente. */
body { min-height: 100vh; }
.mic-button { width: 80px; height: 80px; transition: box-shadow .15s ease; }
.mic-button:hover { box-shadow: 0 0 32px rgba(255,255,255,.20); }
.mic-button.is-recording { background: #dc3545; color: white; border-color: #dc3545; box-shadow: 0 0 28px rgba(220,53,69,.30); }
#transcript { resize: vertical; }
.form-control::placeholder { color: #999; }