/* Pages inscription / connexion / compte (s'appuie sur les variables de app.css) */
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 32px 16px; }
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 28px;
}
.auth-card .logo { display: inline-block; color: var(--ink); text-decoration: none; margin-bottom: 22px; font-size: 24px; }
.auth-card h1 { font: 600 25px/1.15 var(--display); letter-spacing: -.03em; margin: 0 0 8px; }
.auth-sub { color: var(--muted); margin: 0 0 22px; }
.auth-form .btn { width: 100%; justify-content: center; margin-top: 6px; }
.auth-form input[type=email], .auth-form input[type=password] {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  padding: 10px 12px;
  outline: none;
}
.plan-pick { border: 0; padding: 0; margin: 0 0 18px; }
.plan-opt {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 8px;
  cursor: pointer;
}
.plan-opt:has(input:checked) { border-color: var(--accent); background: var(--surface-2); }
.plan-opt input { accent-color: var(--accent); margin: 0; }
.auth-error, .auth-notice { padding: 10px 12px; border-radius: 8px; margin: 0 0 18px; }
.auth-error { background: var(--neg-bg); color: var(--neg); }
.auth-notice { background: var(--pos-bg); color: var(--pos); }
.auth-alt { color: var(--muted); margin: 18px 0 0; text-align: center; }
.auth-alt a, .banner a { color: var(--accent); }
.account { display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; margin: 18px 0 24px; }
.account dt { color: var(--muted); }
.account dd { margin: 0; font-weight: 500; }
.auth-actions { display: grid; gap: 10px; }
.auth-actions .btn, .auth-actions form .btn { width: 100%; justify-content: center; text-decoration: none; }
.auth-actions form { margin: 0; }
.topbar a.btn { text-decoration: none; }