:root {
  --bg: #1e2130;
  --card-bg: #262a3b;
  --copper: #BD694C;
  --text: #f4f4f6;
  --muted: #9ca0b3;
  --border: #383c50;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.wrapper {
  width: 100%;
  max-width: 440px;
}

.wrapper:has(.card-wide:not(.hidden)) {
  max-width: 680px;
}

.brand {
  text-align: center;
  margin-bottom: 28px;
  letter-spacing: 1px;
}

.brand-mark {
  display: block;
  height: 30px;
  width: auto;
  margin: 0 auto;
}

.brand-sub {
  display: block;
  color: var(--copper);
  font-size: 12px;
  font-weight: 500;
  margin-top: 5px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}

.card.hidden { display: none; }

h1 {
  font-size: 20px;
  margin: 0 0 12px;
}

.lede {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  margin: 0 0 24px;
}

.row {
  display: flex;
  gap: 12px;
}

.row .field { flex: 1; }

.field {
  margin-bottom: 16px;
}

label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

input:focus {
  outline: none;
  border-color: var(--copper);
}

button, .btn-primary, .btn-secondary {
  display: block;
  width: 100%;
  text-align: center;
  padding: 12px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: none;
  margin-top: 8px;
}

button, .btn-primary {
  background: var(--copper);
  color: #fff;
}

button:hover, .btn-primary:hover { opacity: 0.9; }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover { border-color: var(--copper); }

.error {
  color: var(--copper);
  font-size: 13px;
  margin-top: 10px;
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 11px;
  margin-top: 24px;
}

.nda-scroll {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 22px;
  max-height: 340px;
  overflow-y: auto;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 18px;
}

.nda-scroll h2 {
  font-size: 14px;
  margin: 20px 0 6px;
  color: var(--copper);
}

.nda-scroll h2:first-child { margin-top: 0; }

.nda-scroll p { margin: 0 0 12px; }

.nda-scroll .nda-sig-block {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 16px;
  cursor: pointer;
}

.checkbox-row input {
  width: auto;
  margin-top: 2px;
  accent-color: var(--copper);
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}