:root{
  --bg:#0f1115; --fg:#f2f4f8; --muted:#a7b0c0; --line:#243044;
  --btn:#f2f4f8; --btnfg:#0f1115; --focus:#7aa2ff; --radius:18px; --max:920px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}
*{box-sizing:border-box} html,body{height:100%}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--fg);line-height:1.45}
a{color:var(--fg);text-decoration:none} a:hover{text-decoration:underline}
.container{max-width:var(--max);margin:0 auto;padding:40px 18px}
.card{background:linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
  border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.h1{font-size:34px;letter-spacing:-0.02em;margin:0 0 10px}
.h2{font-size:18px;color:var(--muted);margin:0 0 18px}
.p{color:var(--muted);margin:0 0 12px}
.row{display:flex;gap:14px;flex-wrap:wrap}
.btn{appearance:none;border:1px solid rgba(255,255,255,0.14);background:transparent;color:var(--fg);
  padding:12px 16px;border-radius:999px;cursor:pointer}
.btn.primary{background:var(--btn);color:var(--btnfg);border-color:transparent}
.btn:focus{outline:2px solid var(--focus);outline-offset:2px}
.small{font-size:12.5px;color:var(--muted)}
.sep{height:1px;background:var(--line);margin:18px 0}
.footerlinks{display:flex;gap:14px;flex-wrap:wrap;margin-top:14px}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted);font-size:12px}
.input{width:100%;background:rgba(255,255,255,0.03);color:var(--fg);border:1px solid var(--line);border-radius:14px;padding:14px}
.optiongrid{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.option{padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,0.02);cursor:pointer}
.option.selected{border-color:rgba(255,255,255,0.45)}
.kdots{display:flex;gap:6px;margin:10px 0 0}
.kdot{width:8px;height:8px;border-radius:99px;background:rgba(255,255,255,0.18)}
.kdot.on{background:rgba(255,255,255,0.65)}
.bar{height:12px;border-radius:999px;background:rgba(255,255,255,0.08);overflow:hidden;border:1px solid var(--line)}
.bar>div{height:100%;background:rgba(255,255,255,0.65)}
.twocol{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:860px){.twocol{grid-template-columns:1.1fr 0.9fr}}
.ul{margin:10px 0 0 18px;color:var(--muted)}