.main-container {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
/* Left image section */
.image-side {
  flex: 1; /* take half space */
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-side img {
  max-width: 80%;
  height: auto;
  object-fit: contain;
}

/* Right form section */
.form-side {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-box {
  background: rgba(255, 255, 255, 0.2);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(0, 0, 0, 0.15);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.25);
  padding: 40px 30px;
  max-width: 420px;
  width: 100%;
  border-radius: 18px;
  text-align: center;
  animation: fadeIn 0.6s ease-in-out;
}

.login-title {
  margin-bottom: 30px;
  font-size: 1.8rem;
  font-weight: 700;
  color: #000;
}

.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-group label {
  font-weight: 600;
  margin-bottom: 8px;
  display: block;
  color: #000;
}

.form-group input {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.form-group input:focus {
  border-color: #000;
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.15);
}

.submit-btn {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  background: transparent;
  border: 2px solid #000;
  color: #000;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.submit-btn:hover {
  background: #000;
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

.signup-link {
  margin-top: 25px;
  font-size: 0.95rem;
  color: #333;
}

.signup-link a {
  color: #000;
  font-weight: 600;
  text-decoration: underline;
}

.signup-link a:hover {
  color: #444;
}

/* Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .main-container {
    flex-direction: column;
    gap: 20px;
    padding: 20px;
    margin-bottom: 70px;
  }

  .image-side img {
    display: none;
  }
}

/* Responsive */
@media (max-width: 580px) {
  .login-box {
    padding: 25px 20px;
    border-radius: 14px;
  }
  .login-title {
    font-size: 1.5rem;
  }
  .submit-btn {
    font-size: 0.9rem;
  }
}