/* ============================================
   LOGIN PAGE SPECIFIC STYLES
   Estilos exclusivos para a página de login
   ============================================ */

/* Container Principal */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/hero-background.png');
  background-size: cover;
  background-position: center;
  opacity: 0.85;
  z-index: 1;
}

.login-page::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.1) 100%);
  z-index: 2;
}

.login-container {
  max-width: 400px;
  width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 3;
  animation: fadeInUp 0.8s ease-out;
}

/* Card de Login */
.login-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-grunge);
  border-left: 4px solid var(--color-purple);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(5px);
  background: rgba(255, 255, 255, 0.95);
}

.login-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background-image: url('../images/pattern-grid.png');
  background-size: 200px 200px;
  opacity: 0.03;
  pointer-events: none;
  z-index: 0;
}

/* Cabeçalho do Login */
.login-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.login-header h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-xs);
}

.login-header p {
  color: var(--color-navy);
  font-size: 0.95rem;
}

.login-header .subtitle {
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-purple);
  margin-top: var(--spacing-xs);
}

/* Formulário */
.login-form {
  position: relative;
  z-index: 1;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-xs);
}

.form-group label i {
  color: var(--color-purple);
  margin-right: var(--spacing-xs);
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 2px solid #e0e0e0;
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  background: var(--color-white);
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-purple);
  box-shadow: 0 0 0 3px rgba(160, 32, 240, 0.1);
}

.form-group input:hover {
  border-color: var(--color-pink);
}

/* Mensagem de Erro */
.error-message {
  background: rgba(255, 0, 0, 0.1);
  border-left: 4px solid #ff0000;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  border-radius: var(--radius-sm);
  position: relative;
  z-index: 1;
}

.error-message p {
  color: #cc0000;
  font-weight: 600;
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.error-message i {
  font-size: 1.2rem;
}

/* Botão de Login */
.login-btn {
  width: 100%;
  padding: 1rem;
  margin-top: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-purple), #8A1FD1);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.login-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: left var(--transition-fast);
  z-index: 0;
}

.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(160, 32, 240, 0.4);
}

.login-btn:hover::before {
  left: 100%;
}

.login-btn:active {
  transform: translateY(0);
}

.login-btn span {
  position: relative;
  z-index: 1;
}

/* Link de Voltar */
.back-link {
  text-align: center;
  margin-top: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.back-link a {
  color: var(--color-navy);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.back-link a:hover {
  color: var(--color-purple);
}

.back-link a i {
  font-size: 1rem;
}

/* Divider */
.divider {
  margin: var(--spacing-lg) 0;
  position: relative;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-purple), var(--color-pink), var(--color-yellow), var(--color-navy), transparent);
}

/* Animações */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Loading State */
.login-btn.loading {
  pointer-events: none;
  opacity: 0.8;
}

.login-btn.loading::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: var(--spacing-xs);
  position: relative;
  z-index: 1;
}

/* Responsivo */
@media (max-width: 480px) {
  .login-card {
    padding: var(--spacing-lg);
  }

  .login-header h1 {
    font-size: 1.5rem;
  }

  .login-header .subtitle {
    font-size: 1rem;
  }

  .form-group label {
    font-size: 0.8rem;
  }

  .form-group input {
    padding: 0.65rem 0.9rem;
    font-size: 0.9rem;
  }

  .login-btn {
    padding: 0.85rem;
    font-size: 1rem;
  }
}