:root {
  --pet-green-600: #2A8248; --pet-green-700: #1F6236;
  --pet-navy-800: #1A1F36; --pet-navy-900: #14181F;
  --bg: #F5F8F6; --surface: #fff; --border: #E1E7E3;
  --ink: #161B22; --ink-muted: #55605A;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  color: var(--ink); background: var(--bg);
}
.hero {
  min-height: 100vh; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--pet-navy-900), var(--pet-green-700));
  padding: 20px;
}
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px; max-width: 460px; width: 100%;
}
h2 { margin: 0 0 4px; } h3 { margin: 0 0 12px; }
label { display: block; font-size: 14px; margin: 12px 0 4px; color: var(--ink-muted); }
input, select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 10px; font: inherit; background: #fff;
}
button {
  background: var(--pet-green-600); color: #fff; border: 0; border-radius: 10px;
  padding: 11px 16px; font: inherit; font-weight: 700; cursor: pointer;
  width: 100%; margin-top: 16px;
}
button:hover { background: var(--pet-green-700); }
.muted { color: var(--ink-muted); font-size: 13px; }
.err { color: #B42318; font-size: 13px; margin-top: 8px; }
.ok { color: var(--pet-green-700); font-size: 13px; margin-top: 8px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 24px; }
a { color: var(--pet-green-700); }