/* CuidarApp — Estilos de Autenticação */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #2e7d6b;
  --primary-dark: #1b5e50;
  --danger: #c62828;
  --success: #2e7d32;
  --bg: #f4f6f8;
  --white: #ffffff;
  --text: #212121;
  --muted: #757575;
  --border: #e0e0e0;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.auth-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  width: 100%;
  max-width: 420px;
}

.auth-card h1 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.auth-card .subtitle {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
  color: var(--text);
}

input, select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border-color 0.2s;
  background: var(--white);
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(46,125,107,0.15);
}

.btn {
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, opacity 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  margin-top: 0.5rem;
}

.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
  background: var(--white);
  color: var(--primary);
  border: 1px solid var(--primary);
  margin-top: 0.75rem;
}

.checkout-summary {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.checkout-summary strong { color: var(--primary-dark); }

.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: none;
}

.alert.show { display: block; }
.alert-error { background: #ffebee; color: var(--danger); border: 1px solid #ef9a9a; }
.alert-success { background: #e8f5e9; color: var(--success); border: 1px solid #a5d6a7; }

.auth-footer {
  text-align: center;
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.auth-footer a { color: var(--primary); text-decoration: none; font-weight: 600; }
.auth-footer a:hover { text-decoration: underline; }

.logo { font-size: 2rem; margin-bottom: 0.5rem; }

@media (max-width: 480px) {
  .auth-card { padding: 1.5rem; }
}