.admin-login-screen {
  min-height: 100vh;
  background: var(--bg-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  width: 100%;
  overflow-x: hidden;
  position: relative;
}

.admin-login-screen::before {
  content: '';
  position: absolute;
  top: 10%;
  right: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(91, 157, 217, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.admin-login-screen::after {
  content: '';
  position: absolute;
  bottom: 10%;
  left: 10%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(201, 169, 97, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.login-container {
  background: white;
  border-radius: var(--radius-2xl);
  padding: 40px 32px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-xl);
  position: relative;
  animation: fadeInScale 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

.back-button-login {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--gray-100);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-700);
  transition: all var(--transition);
  border: 1px solid var(--gray-200);
}

.back-button-login:hover {
  background: var(--primary);
  color: white;
  transform: translateX(4px);
}

.login-logo-section {
  text-align: center;
  margin-bottom: 24px;
}

.login-logo {
  max-width: 140px;
  width: 70%;
  height: auto;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.08));
}

.login-content {
  text-align: center;
}

.login-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.login-subtitle {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 32px;
  font-weight: 500;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.login-form .form-group {
  text-align: right;
  margin-bottom: 0;
}

.login-form .form-label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 8px;
}

.login-input {
  width: 100%;
  padding: 15px 20px;
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-900);
  text-align: right;
  transition: all var(--transition);
}

.login-input::placeholder {
  color: var(--gray-400);
}

.login-input:focus {
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 4px rgba(91, 157, 217, 0.15);
}

.error-message-box {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.login-submit-button {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  font-size: 16px;
  font-weight: 700;
  transition: all var(--transition);
  box-shadow: var(--shadow-primary);
  margin-top: 8px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.login-submit-button::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 0.6s;
}

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

.login-submit-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-primary-hover);
}

.login-submit-button:active {
  transform: translateY(-1px);
}

.login-hint {
  margin-top: 16px;
  padding: 16px;
  background: var(--gray-50);
  border-radius: var(--radius);
  border: 1px dashed var(--gray-300);
  text-align: center;
  font-size: 12px;
  color: var(--gray-600);
  line-height: 1.8;
}

.login-hint p {
  margin: 0;
}

.login-hint strong {
  color: var(--gray-800);
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@media (max-width: 768px) {
  .login-container {
    padding: 32px 24px;
  }

  .login-title {
    font-size: 22px;
  }

  .login-subtitle {
    font-size: 13px;
    margin-bottom: 24px;
  }

  .login-input {
    padding: 14px 18px;
    font-size: 13px;
  }

  .login-submit-button {
    font-size: 15px;
    padding: 15px;
  }
}

@media (max-width: 480px) {
  .login-container {
    padding: 28px 20px;
  }

  .login-logo {
    max-width: 120px;
  }

  .login-title {
    font-size: 20px;
  }
}