.signup-main {
  max-width: 720px;
  margin: 40px auto;
  padding: 0 24px;
}

.signup-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 40px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.signup-card h2 {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
}

.signup-lede {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.signup-recommend {
  margin: 0 0 24px;
  padding: 14px 18px;
  background: var(--code-bg);
  border-left: 4px solid var(--primary);
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
}

.signup-recommend strong {
  display: inline;
  margin-right: 4px;
  color: var(--text);
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0 0 24px;
}

.signup-form label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.signup-form input[type="email"] {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 15px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.signup-form input[type="email"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.15);
}

.signup-hint {
  font-size: 12px;
  color: var(--muted);
}

.signup-warning {
  margin-top: 12px;
  padding: 12px 16px;
  background: var(--warn-bg);
  color: var(--warn-fg);
  border: 1px solid #fcd34d;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.55;
}

.signup-faq {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}

.signup-callback-error {
  margin: 0 0 20px;
  padding: 14px 18px;
  background: var(--fail-bg);
  color: var(--fail-fg);
  border-left: 4px solid var(--fail-fg);
  border-radius: 6px;
}

.signup-callback-error-title {
  font-weight: 600;
  margin-bottom: 6px;
}

.signup-callback-error-body {
  font-size: 13px;
  line-height: 1.55;
}

.signup-faq summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 8px;
}

.signup-faq p {
  margin: 8px 0 0;
  line-height: 1.55;
}

.signup-faq code {
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
}

#status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 13px;
}

#status.error {
  background: var(--error-bg);
  color: var(--error-fg);
  border: 1px solid #fca5a5;
}

#status.info {
  background: var(--code-bg);
  color: var(--text);
  border: 1px solid var(--border);
}