:root{
  --bg: #fbfaf7;
  --fg: #111111;
  --muted: rgba(17,17,17,.65);
  --line: rgba(17,17,17,.12);
  --card: rgba(255,255,255,.70);
  --focus: rgba(17,17,17,.35);
  --radius: 14px;
  --w: 860px;
}

*{ box-sizing: border-box; }
html, body { height: 100%; }

body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

.wrap{ max-width: var(--w); margin: 0 auto; padding: 54px 20px 80px; }

.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom: 26px;
}

.brand{
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  font-size: 12px;
}

.nav a{
  color: var(--muted);
  text-decoration:none;
  margin-left: 14px;
  font-size: 14px;
}
.nav a:hover{ color: var(--fg); }

.card{
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px;
}

h1{
  font-size: 42px;
  line-height: 1.08;
  margin: 0 0 10px;
  letter-spacing:-.02em;
}

p.lede{
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 62ch;
}

label{
  display:block;
  font-size: 13px;
  color: var(--muted);
  margin: 14px 0 6px;
}

input{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.86);
  font-size: 15px;
  outline: none;
}

input:focus{ box-shadow: 0 0 0 3px var(--focus); }

.row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 720px){
  .row{ grid-template-columns: 1fr; }
  h1{ font-size: 36px; }
}

.actions{
  margin-top:16px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--fg);
  color: white;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  text-decoration:none;
}

.btn:disabled{ opacity:.55; cursor:not-allowed; }

.btn.secondary{
  background: transparent;
  color: var(--fg);
}
.btn.secondary:hover{ background: rgba(17,17,17,.06); }

.divider{ height:1px; background: var(--line); margin: 18px 0; }

.small{ font-size: 13px; color: var(--muted); }

.msg{
  margin-top: 14px;
  padding: 12px 12px;
  border-radius: 12px;
  border:1px solid var(--line);
}
.msg.ok{ background: rgba(17,17,17,.04); }
.msg.err{ background: rgba(220, 38, 38, .06); border-color: rgba(220,38,38,.25); }