.avl-usart-grid{display:grid;grid-template-columns:minmax(320px,.8fr) minmax(420px,1.2fr);gap:16px}.avl-usart-bottom{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-top:16px}.avl-u-controls{display:grid;grid-template-columns:1fr 1fr;gap:12px}.avl-u-controls label,.avl-u-byte-label{display:grid;gap:5px;font-size:12px;color:#94a3b8}.avl-u-controls select,.avl-u-byte-label input{background:#0b1220;color:#e2e8f0;border:1px solid #334155;border-radius:8px;padding:9px}.avl-u-byte-label{margin-top:12px}.avl-u-frame{display:flex;gap:5px;align-items:stretch;overflow-x:auto;padding-bottom:8px}.avl-u-bit{min-width:47px;text-align:center;padding:10px 4px;border-radius:8px;background:#172033;border:1px solid #334155}.avl-u-bit small{display:block;color:#94a3b8}.avl-u-bit strong{font-size:23px}.avl-u-bit.is-start{border-color:#ef4444}.avl-u-bit.is-parity{border-color:#f59e0b}.avl-u-bit.is-stop{border-color:#22c55e}.avl-u-bit.is-1{transform:translateY(-8px)}.avl-u-timing{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.avl-u-timing span{background:#0b1220;border-radius:8px;padding:8px 10px}.avl-u-registers{display:grid;gap:8px}.avl-u-registers div{display:flex;justify-content:space-between;border-bottom:1px solid #243047;padding:8px 0}.avl-u-buffers{display:grid;gap:14px}.avl-u-buffers>div{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.avl-u-buffers b{width:28px}.avl-u-buffers span{font-family:monospace;background:#0b1220;border:1px solid #334155;border-radius:5px;padding:5px}.avl-u-buffers em{color:#64748b}@media(max-width:900px){.avl-usart-grid,.avl-usart-bottom{grid-template-columns:1fr}}