.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.login-page::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 70% 70%, rgba(30, 64, 175, 0.12) 0%, transparent 50%);
  animation: gradientShift 15s ease-in-out infinite;
  pointer-events: none;
}
@keyframes gradientShift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-5%, -5%) rotate(5deg); }
}
.login-container {
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
}
.login-card {
  background: var(--color-bg-overlay);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  overflow: hidden;
}
.login-header {
  text-align: center;
  padding: 40px 40px 24px;
}
.login-header .logo {
  height: 48px;
  width: auto;
  margin-bottom: 20px;
}
.login-header h1 {
  font-size: 1.75rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin: 0;
}
.login-header p {
  margin: 8px 0 0;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}
.login-body {
  padding: 8px 40px 40px;
}
.login-form .form-group {
  margin-bottom: 20px;
}
.login-form .form-group:last-of-type { margin-bottom: 24px; }
.login-form .input-group {
  position: relative;
}
.login-form .input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 1.1rem;
  z-index: 4;
  pointer-events: none;
}
.login-form .form-control {
  height: 50px;
  padding: 12px 14px 12px 44px;
  font-size: 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.login-form .form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-alpha-15);
  outline: none;
}
.login-form .form-control::placeholder {
  color: var(--color-text-muted);
}
.login-form .form-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: 8px;
  font-size: 0.9rem;
}
.login-form .form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 0;
}
.login-form .form-check-input {
  width: 18px;
  height: 18px;
  margin: 0;
  border: 1.5px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
}
.login-form .form-check-input:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}
.login-form .form-check-label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}
.login-form .btn-login {
  width: 100%;
  height: 50px;
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
}
.login-form .btn-login:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 4px 12px var(--color-primary-alpha-15);
}
.login-form .btn-login:active {
  transform: scale(0.98);
}
.login-form .invalid-feedback {
  display: block;
  margin-top: 6px;
  font-size: 0.85rem;
  color: #dc3545;
}
.login-form .form-text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}
.login-footer {
  text-align: center;
  padding: 20px 40px;
  background: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
}
.login-footer a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}
.login-footer a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}
.login-back-link {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}
.login-back-link a {
  color: var(--color-text-inverse-85);
  text-decoration: none;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}
.login-back-link a:hover {
  color: var(--color-text-inverse);
}

/* MFA-specific styles */
.mfa-code-input {
  text-align: center;
  font-size: 1.5rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.5em;
  padding-left: 14px !important;
}
.mfa-instructions {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
  line-height: 1.5;
}
.mfa-instructions .bi {
  color: var(--color-primary);
  font-size: 2.5rem;
  display: block;
  margin-bottom: 12px;
}
.resend-section {
  text-align: center;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}
.resend-section .btn-link {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  padding: 0;
  border: none;
  background: none;
}
.resend-section .btn-link:hover:not(:disabled) {
  text-decoration: underline;
}
.resend-section .btn-link:disabled {
  color: var(--color-text-muted);
  cursor: not-allowed;
}
.resend-countdown {
  display: inline-block;
  margin-left: 8px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* Toast notifications */
.login-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: #333;
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, bottom 0.2s ease;
  z-index: 1055;
  max-width: 90vw;
  display: flex;
  align-items: center;
  gap: 10px;
}
.login-toast.show { opacity: 1; bottom: 32px; }
.login-toast.success { background: #198754; }
.login-toast.error { background: #dc3545; }
.login-toast.warning { background: #fd7e14; }
.login-toast.info { background: #0d6efd; }

/* Top alert */
.login-alert {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: #dc3545;
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, top 0.2s ease;
  z-index: 1060;
  max-width: 90vw;
  display: flex;
  align-items: center;
  gap: 10px;
}
.login-alert.show { opacity: 1; top: 24px; }
.login-alert.error { background: #dc3545; }
.login-alert.warning { background: #fd7e14; }

@media (max-width: 480px) {
  .login-page { padding: 16px; }
  .login-header, .login-body, .login-footer { padding-left: 24px; padding-right: 24px; }
  .login-header { padding-top: 32px; padding-bottom: 20px; }
  .login-body { padding-bottom: 32px; }
  .login-header h1 { font-size: 1.5rem; }
}