.mc-signal{margin-top:14px;border:2px solid #cbd5e1;border-radius:14px;background:#fff;color:#1e293b;overflow:hidden}
.mc-signal summary{cursor:pointer;font-weight:800;padding:12px;min-height:48px;display:flex;align-items:center;gap:8px}
.mc-signal summary::before{content:'▸'}
.mc-signal[open] summary::before{content:'▾'}
.mc-signal-body{padding:0 12px 12px;display:grid;gap:10px}
.mc-signal p{font-size:.82rem;line-height:1.5;overflow-wrap:anywhere;color:#475569}
.mc-signal label{font-size:.82rem;font-weight:700;display:grid;gap:4px}
.mc-signal input[type=text],.mc-signal input[type=number]{width:100%;min-width:0;min-height:44px;border:2px solid #94a3b8;border-radius:8px;padding:8px;font:inherit;color:#1e293b;background:#fff}
.mc-signal button{min-width:44px;min-height:44px;border:2px solid #cbd5e1;border-radius:9px;font:700 .82rem/1.2 system-ui,sans-serif;padding:8px;background:#f8fafc;color:#1e293b;cursor:pointer;touch-action:manipulation}
.mc-signal button:disabled{opacity:.45;cursor:default}
.mc-signal-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mc-signal-actions button:first-child{grid-column:1/-1;background:#1e293b;color:#fff;border-color:#1e293b}
.mc-signal label.mc-signal-sound{display:flex;align-items:center;gap:8px;min-height:44px;cursor:pointer}
.mc-signal-sound input{width:44px;height:44px;accent-color:#1e293b}
.mc-signal-code{font:700 1rem/1.7 'JetBrains Mono',monospace;overflow-wrap:anywhere;border-radius:8px;padding:10px;background:#f1f5f9;color:#1e293b;min-height:44px}
.mc-signal-lamp{min-height:48px;display:flex;align-items:center;justify-content:center;border:2px solid #64748b;border-radius:8px;font-weight:800;background:#e2e8f0;color:#334155}
.mc-signal-lamp.lit{background:#fde047;color:#422006;border-color:#a16207}
.mc-signal :focus-visible{outline:3px solid #2563eb;outline-offset:2px}
@media(prefers-reduced-motion:reduce){.mc-signal *{animation:none!important;transition:none!important}}