:root{font-family:system-ui,-apple-system,sans-serif;color:#222;background:#fff;color-scheme:light}
*{box-sizing:border-box}
body{margin:0;min-height:100svh;display:grid;place-items:center;padding:24px}
main{width:100%;max-width:300px}
h1{font-size:24px;font-weight:600;margin:0 0 28px;letter-spacing:-.5px}
label{display:block;font-size:14px;margin-bottom:8px}
input{width:100%;font:inherit;padding:10px 12px;border:1px solid #ccc;border-radius:5px;margin-bottom:12px}
button{font:inherit;cursor:pointer}
.power{display:flex;gap:10px}
#start,#stop,#unlock{width:100%;padding:11px 16px;border:0;border-radius:5px;color:#fff;background:#222;font-size:14px}
#start:hover:not(:disabled),#stop:hover:not(:disabled),#unlock:hover:not(:disabled){background:#444}
button:disabled{background:#eee!important;color:#888!important;cursor:default}
button:focus-visible,input:focus-visible{outline:2px solid #3974c6;outline-offset:3px}
.status-row{display:flex;align-items:center;gap:8px;font-size:14px;margin:0 0 20px}
.dot{width:7px;height:7px;border-radius:50%;background:#aaa}
.dot.ready{background:#368443}
.dot.pending{background:#b98320}
#copy{width:100%;display:flex;justify-content:space-between;align-items:center;gap:8px;border:0;background:none;padding:20px 0;color:#555;font:13px ui-monospace,monospace;text-align:left}
small{font:11px system-ui,sans-serif;color:#777}
.text-button{padding:0;border:0;background:none;color:#777;font-size:12px}
.text-button:hover{text-decoration:underline}
#message{font-size:13px;line-height:1.5;color:#a12b20;margin:16px 0 0}
#message:empty,[hidden]{display:none!important}