/**
 * Estilos para páginas de autenticação (Login, Registro, Reset Password)
 */

.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background: 
    radial-gradient(1100px 520px at 18% -12%, rgba(19, 15, 38, 0.4), transparent 60%),
    radial-gradient(1000px 560px at 82% 112%, rgba(5, 8, 20, 0.6), transparent 62%),
    linear-gradient(180deg, var(--color-bg-primary), var(--color-bg-secondary));
  position: relative;
  overflow: hidden;
}

.auth-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(19, 15, 38, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(34, 197, 94, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.auth-card {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-3xl) var(--spacing-2xl);
  width: 100%;
  max-width: 480px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.6);
  position: relative;
  z-index: 1;
  border: 1px solid rgba(148, 163, 184, 0.15);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.auth-logo-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.auth-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  filter: brightness(1);
  transition: transform var(--transition-base);
}

.auth-logo-img:hover {
  transform: scale(1.05);
}

.auth-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  font-family: var(--font-family-primary);
  line-height: var(--line-height-snug);
  padding: 0 var(--spacing-xs);
}

.auth-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  font-family: var(--font-family-primary);
  line-height: var(--line-height-relaxed);
  padding: 0 var(--spacing-xs);
  max-width: 100%;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: var(--border-radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  font-family: var(--font-family-primary);
  transition: all var(--transition-base);
}

.form-input:hover {
  border-color: rgba(148, 163, 184, 0.3);
  background: rgba(15, 23, 42, 0.9);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(19, 15, 38, 0.3);
  background: rgba(255, 255, 255, 0.05);
}

.form-input::placeholder {
  color: var(--color-text-tertiary);
}

/* Vermelho só quando .lei-field--error (após submit/blur inválido), não por :invalid */
.form-group.lei-field--error .form-input {
  border-color: var(--color-error);
}

.form-group.lei-field--error .form-input:focus {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.2);
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-error.show {
  display: block;
}

.form-helper {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin: var(--spacing-xs) 0 0 0;
}

.form-phone-row {
  display: flex;
  gap: var(--spacing-sm);
}

.form-phone-select {
  flex: 0 0 auto;
  width: 120px;
  min-width: 100px;
}

.form-phone-input {
  flex: 1;
  min-width: 0;
}

.form-group.lei-field--error .form-phone-select,
.form-group.lei-field--error .form-phone-input {
  border-color: var(--color-error);
}

.form-success {
  color: var(--color-success);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-success.show {
  display: block;
}

.btn {
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  text-align: center;
  border: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--lei-green) 100%);
  color: var(--color-text-primary);
  box-shadow: 0 8px 16px rgba(19, 15, 38, 0.4);
  font-weight: var(--font-weight-semibold);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover:not(:disabled)::before {
  left: 100%;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 18px 45px rgba(19, 15, 38, 0.5);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-tertiary);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-full {
  width: 100%;
}

.btn-loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 3px solid currentColor;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.auth-footer {
  margin-top: var(--spacing-xl);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.auth-footer a {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-base);
}

.auth-footer a:hover {
  color: var(--lei-green);
  text-decoration: underline;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

/* Responsividade */
@media (max-width: 480px) {
  .auth-card {
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    max-width: 100%;
  }
  
  .auth-title {
    font-size: var(--font-size-xl);
    padding: 0;
  }
  
  .auth-subtitle {
    padding: 0;
  }
  
  .auth-logo-img {
    height: 40px;
  }
  
  .auth-header {
    margin-bottom: var(--spacing-xl);
  }
}