/* ========================================
   LOGIN PAGE - Diseño Profesional con Theme Support
   ======================================== */

body.login-page {
  background: var(--bg-body);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

/* Light mode specific background */
[data-theme="light"] body.login-page {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #dbeafe 100%);
}

/* Dark mode specific background */
[data-theme="dark"] body.login-page {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
}

.login-container {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2xl);
  animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-header {
  text-align: center;
  margin-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.login-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.login-brand-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-lg);
  background: linear-gradient(135deg, var(--color-primary), #3b82f6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.75rem;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.login-brand-text {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.login-brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-brand-subtitle {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.login-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.login-subtitle {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin: 0;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

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

.form-label {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.form-input {
  padding: 0.75rem var(--space-md);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: var(--bg-input);
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background: var(--bg-primary);
}

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

.login-form .btn {
  padding: 0.875rem var(--space-lg);
  font-size: 0.9375rem;
  font-weight: 600;
  width: 100%;
}

.login-footer {
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
}

.login-help {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
}

.login-link {
  color: var(--color-primary);
  font-weight: 500;
}

.login-link:hover {
  text-decoration: underline;
}

/* === ALERTAS EN LOGIN === */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--border-radius-md);
  border-left: 4px solid;
  margin-bottom: var(--space-lg);
  font-size: 0.875rem;
}

.alert-error {
  background: var(--color-danger-light);
  border-color: var(--color-danger);
  color: var(--color-danger-dark);
}

.alert-success {
  background: var(--color-success-light);
  border-color: var(--color-success);
  color: var(--color-success-dark);
}

.alert-warning {
  background: var(--color-warning-light);
  border-color: var(--color-warning);
  color: var(--color-warning-dark);
}

.alert-info {
  background: var(--color-info-light);
  border-color: var(--color-info);
  color: #0369a1;
}

/* === RESPONSIVE === */
@media (max-width: 640px) {
  .login-container {
    padding: var(--space-lg);
    max-width: 100%;
  }

  .login-title {
    font-size: 1.5rem;
  }

  .login-brand {
    flex-direction: column;
    text-align: center;
  }

  .login-brand-icon {
    width: 48px;
    height: 48px;
  }

  .login-brand-name {
    font-size: 1.25rem;
  }
}