.operational-banner { margin: 10px 16px 0; padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); color: var(--text); font-size: 13px; line-height: 1.5; overflow-wrap: anywhere; }
.operational-banner strong { display: block; margin-bottom: 3px; }
.operational-banner .btn { margin-top: 8px; }
.operational-banner[data-tone="error"] { border-color: var(--danger); }
.operational-banner[data-tone="warning"] { border-color: #c48b28; }
.driver-runtime-note { font-size: 12px; line-height: 1.5; padding: 10px 0 0; color: var(--muted); }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}