.audio-help{box-sizing:border-box;flex:none;width:44px;height:32px;min-height:0;padding:2px;display:inline-flex;align-items:center;justify-content:center;gap:2px;border:1px solid #28b7ff;border-radius:9px;background:#081b30;color:white}
.audio-help[hidden]{display:none}
.audio-help small{font-size:9px}
.audio-help:focus-visible{outline:2px solid white;outline-offset:2px}
.audio-help[aria-pressed="true"]{background:#155477}
.audio-help-status{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.audio-help-status:not(:empty){width:auto;height:auto;max-width:calc(100% - 32px);clip-path:none;top:100%;inset-inline-start:16px;padding:8px;background:#081b30;color:white;border:1px solid #28b7ff;border-radius:8px;z-index:30}



.internet-lines{position:relative}
.internet-lines:has(>.audio-help:not([hidden]))>h2{padding-inline-end:48px}
.internet-lines>.audio-help{position:absolute;inset-inline-end:0;top:-6px}
@media(max-width:400px){.internet-lines:has(>.audio-help:not([hidden]))>h2{font-size:16px;min-height:24px}}

#radio-panel>.audio-help{position:absolute;left:50%;top:62px;transform:translateX(-50%);width:36px;height:28px;z-index:2}
.signal-reading>.audio-help{position:absolute;left:50%;bottom:calc(100% + 2px);transform:translateX(-50%);width:36px;height:20px;font-size:11px}

.audio-help[data-audio-help]{white-space:nowrap}.audio-help[data-audio-help] span{font-size:12px;line-height:1}.audio-help[data-audio-help] small{flex:none;line-height:1}

/* Larger alignment help, anchored above the unchanged signal frame. */
.signal-reading>.audio-help[data-audio-help="router-2"]{width:44px;height:22px}
.signal-reading>.audio-help[data-audio-help="router-2"] span{font-size:16px}
.signal-reading>.audio-help[data-audio-help="router-2"] small{font-size:10px}
.signal-reading>.audio-help[data-audio-help="router-2"]::after{content:"";position:absolute;inset:-11px 0}