:root {
  color-scheme: dark;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:#121212;
  color:#f5f5f5;
}
*{box-sizing:border-box}
body{margin:0;background:#121212;color:#f5f5f5}
button,input,select,textarea{font:inherit}
button,a.buttonlink{min-height:44px}
.app{width:min(680px,100%);margin:0 auto;padding:18px 16px 32px;display:grid;gap:14px}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
h1{font-size:24px;line-height:1.15;margin:0}
.topbar p{margin:5px 0 0;color:#a7a7a7;font-size:13px}
h2{margin:0 0 8px;font-size:18px}
.card{background:#1d1d1d;border:1px solid #303030;border-radius:16px;padding:15px}
label,.label{display:block;font-weight:700;margin:0 0 7px}
.card label:not(:first-child){margin-top:12px}
.muted{color:#aaa;font-size:13px;line-height:1.45}
.row{display:flex;gap:9px;align-items:center}
.spread{justify-content:space-between}
input,select,textarea,code{width:100%;background:#121212;color:#fff;border:1px solid #3d3d3d;border-radius:11px}
input,select,textarea{padding:12px;font-size:16px}
textarea{resize:vertical;line-height:1.45;min-height:180px}
input:focus,select:focus,textarea:focus{outline:2px solid #1ed760;outline-offset:1px}
button,.buttonlink{border:0;border-radius:11px;padding:10px 14px;cursor:pointer;text-decoration:none;text-align:center;display:inline-flex;align-items:center;justify-content:center}
button:disabled{opacity:.45;cursor:not-allowed}
.primary{background:#1ed760;color:#08140c;font-weight:800}
.secondary{background:#2b2b2b;color:#fff;border:1px solid #444}
.ghost{background:transparent;color:#fff;border:1px solid #444}
.square{width:46px;padding:0;background:#2b2b2b;color:#fff;border:1px solid #444;flex:0 0 46px}
.big{width:100%;font-size:16px;min-height:52px}
.copyline{display:flex;gap:8px;align-items:stretch}
.copyline code{padding:11px;overflow-wrap:anywhere;font-size:12px}
.copyline button{flex:0 0 auto;background:#2b2b2b;color:#fff;border:1px solid #444}
.actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:13px}
.buttonlink{background:#2b2b2b;color:#fff;border:1px solid #444}
.meta{margin-top:9px}
.check{display:flex!important;align-items:center;gap:7px;margin:0!important;color:#b7b7b7;font-size:13px;font-weight:500}
.check input{width:auto;accent-color:#1ed760}
.message{min-height:20px;font-size:13px;line-height:1.45;padding:0 2px}
.message.success{color:#35e77a}.message.error{color:#ff7b72}
.help{color:#bdbdbd;font-size:13px}
.help summary{cursor:pointer;color:#ddd}
.help ol{padding-left:20px;line-height:1.6}
@media(max-width:420px){
  .topbar{align-items:center}
  .topbar .ghost{font-size:12px;padding:8px 10px}
  .copyline{flex-direction:column}
  .copyline button{width:100%}
}
.setup-summary{font-weight:800;font-size:18px;cursor:pointer;list-style-position:inside;margin:-2px 0 4px}
#setupCard[open] .setup-summary{margin-bottom:10px}