:root {
  --fg: #1a1a1a;
  --bg: #ffffff;
  --accent: #0b5fa5;
  --error: #b3261e;
  --border: #cfcfcf;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.5;
}

main, .auth-panel {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

h1 { font-size: 1.5rem; }

.field { margin-bottom: 1.25rem; }
.field label { display: block; font-weight: 600; margin-bottom: 0.35rem; }
.field input[type=text], .field input[type=email], .field input[type=date],
.field input[type=password], .field textarea, .field select {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 1rem;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: 3px solid var(--accent);
  outline-offset: 1px;
}
.field .helptext { font-size: 0.85rem; color: #555; }
.field ul.errorlist { color: var(--error); list-style: none; padding: 0; margin: 0.25rem 0 0; font-size: 0.9rem; }

.error-summary {
  border: 2px solid var(--error);
  background: #fdecea;
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
}
.error-summary a { color: var(--error); font-weight: 600; }

fieldset { border: none; padding: 0; margin: 0 0 1.25rem; }

.checkbox-group label { font-weight: 400; display: block; margin-bottom: 0.25rem; }

button, .button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border-radius: 4px;
  cursor: pointer;
}
button:hover, .button:hover { filter: brightness(0.9); }

.banner {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
}
.banner-warning { background: #fff4e5; border-bottom: 1px solid #f0b429; }

.messages { list-style: none; padding: 0.5rem 1rem; margin: 0; }
.messages li { padding: 0.4rem 0; }
.messages li.error { color: var(--error); }
.messages li.success { color: #1a7f37; }

table { width: 100%; border-collapse: collapse; }
table th, table td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--border); }

.honeypot-field { position: absolute; left: -9999px; }

@media (max-width: 480px) {
  main, .auth-panel { padding: 1rem 0.75rem 3rem; }
  table, thead, tbody, th, td, tr { display: block; }
  table th { display: none; }
  table td { border: none; padding: 0.25rem 0; }
  table tr { border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; margin-bottom: 0.5rem; }
}