:root{
  --bg:#f4f6fa;--card:#fff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;
  --brand:#111827;--from:#2563eb;--to:#059669;--err:#dc2626;--ring:rgba(37,99,235,.25);
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0b0f17;--card:#151b27;--text:#f3f4f6;--muted:#9ca3af;--line:#263041;--brand:#f3f4f6;--from:#60a5fa;--to:#34d399;--err:#f87171;--ring:rgba(96,165,250,.3)}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:Pretendard,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.5}
.top,main,footer{max-width:480px;margin:0 auto;padding-left:16px;padding-right:16px}
.top{padding-top:calc(20px + env(safe-area-inset-top))}
.brand{font-size:22px;font-weight:800;letter-spacing:-.02em}
.brand span{display:block;font-size:12px;font-weight:500;color:var(--muted);letter-spacing:0}
.steps{display:flex;gap:6px;list-style:none;margin:16px 0 0;padding:0;font-size:12px;color:var(--muted)}
.steps li{flex:1;display:flex;align-items:center;gap:6px;padding-top:8px;border-top:3px solid var(--line)}
.steps li.on{color:var(--text);border-color:var(--from);font-weight:600}
.steps i{font-style:normal;width:18px;height:18px;border-radius:50%;background:var(--line);color:var(--muted);display:grid;place-items:center;font-size:11px}
.steps li.on i{background:var(--from);color:#fff}
main{padding-top:16px;padding-bottom:120px}
.card{background:var(--card);border-radius:20px;padding:20px;margin-bottom:12px;box-shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(17,24,39,.05)}
h1{font-size:24px;margin:0 0 4px;letter-spacing:-.02em}
h2{font-size:15px;margin:0 0 10px;display:flex;align-items:center;gap:8px}
.sub{color:var(--muted);margin:0 0 20px;font-size:14px}
.field{display:block;margin-bottom:14px}
.field:last-child{margin-bottom:0}
.field>span{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}
.field em{font-style:normal;font-weight:400}
input,textarea{width:100%;height:52px;padding:0 16px;font:inherit;font-size:16px;color:var(--text);background:var(--bg);border:1.5px solid transparent;border-radius:14px;outline:0;transition:border-color .15s,box-shadow .15s;-webkit-appearance:none;appearance:none}
textarea{height:auto;padding:14px 16px;resize:none}
input:focus,textarea:focus{border-color:var(--from);box-shadow:0 0 0 4px var(--ring);background:var(--card)}
.row{display:grid;grid-template-columns:1.4fr 1fr;gap:10px}
.who{display:flex;justify-content:space-between;align-items:center;background:var(--card);border-radius:16px;padding:12px 16px;margin-bottom:12px}
.who b{display:block;font-size:15px}
.who span{font-size:13px;color:var(--muted)}
.who a{font-size:13px;color:var(--from);text-decoration:none;font-weight:600}
.route{position:relative}
.stop{position:relative;padding-left:22px}
.stop+.stop{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line)}
.stop h2 i{position:absolute;left:0;top:3px;width:12px;height:12px;border-radius:50%}
.stop+.stop h2 i{top:21px}
.from h2{color:var(--from)}.from h2 i{background:var(--from)}
.to h2{color:var(--to)}.to h2 i{background:var(--to)}
.err{color:var(--err);font-size:13px;margin:6px 0 0}
.err.center{text-align:center}
.cta{display:block;width:100%;height:56px;line-height:56px;border:0;border-radius:16px;background:var(--from);color:#fff;font:inherit;font-size:17px;font-weight:700;text-align:center;text-decoration:none;cursor:pointer}
.cta:disabled{opacity:.6}
.cta:active{transform:scale(.99)}
.cta-bar{position:fixed;left:0;right:0;bottom:0;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:linear-gradient(to top,var(--bg) 70%,transparent)}
.cta-bar .cta{max-width:448px;margin:0 auto}
.hero .cta{margin-top:16px}
.done{text-align:center}
.check{width:64px;height:64px;margin:8px auto 14px;border-radius:50%;background:var(--to);color:#fff;font-size:34px;line-height:64px}
.done dl{display:grid;grid-template-columns:auto 1fr;gap:10px 14px;text-align:left;background:var(--bg);border-radius:14px;padding:16px;margin:0 0 18px;font-size:14px}
.done dt{color:var(--muted)}.done dd{margin:0;font-weight:600;word-break:break-all}
footer{text-align:center;color:var(--muted);font-size:12px;padding-bottom:24px}