.signup {
  background: linear-gradient(-45deg, #e74c3c, #f39c12, #9b59b6, #3498db);
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Inter", "Segoe UI", Roboto, system-ui, -apple-system, sans-serif;
}

.signup .signup-container {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 2rem;
  width: 100%;
  max-width: 400px;
  margin: 2rem auto;
  animation: fadeIn 0.6s ease-out;
}

.signup .signup-text {
  text-align: center;
  margin-bottom: 2rem;
  color: #e74c3c;
  position: relative;
}

.signup .label {
  margin-bottom: 1.5rem;
}

.signup .form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: #333;
}

.signup .form-control {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(5px);
  width: 100%;
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.signup .form-control:focus {
  box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.25);
}

.signup .form-control::placeholder {
  color: #999;
  opacity: 0.4;
}

.signup .password-container {
  position: relative;
}

.signup .password-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: #666;
}

.signup .password-toggle:hover {
  color: #e74c3c;
}

.signup .signup-button {
  width: 100%;
  text-align: center;
  margin: 1.5rem 0;
}

.signup .btn-primary {
  width: 100%;
  background: linear-gradient(45deg, #e74c3c, #f39c12);
  border: none;
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
}

.signup .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 20px rgba(231, 76, 60, 0.3);
}

.signup .login-redirect {
  text-align: center;
  margin-top: 1rem;
}

.signup .login-text {
  color: #333;
}

.signup .login-text a {
  color: #e74c3c;
  text-decoration: none;
  font-weight: bold;
}

.signup .login-text a:hover {
  text-decoration: underline;
}

.signup .image-upload-container {
  position: relative;
  width: 150px;
  height: 150px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #f0f0f0;
  transition: all 0.3s ease;
  display: inline-block;
  cursor: pointer;
}

.signup .image-upload-container:hover {
  border-color: #e74c3c;
}

.signup .image-preview {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  position: relative;
}

.signup .preview-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 2px solid #ddd;
}

.signup .upload-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background 0.3s ease;
}

.signup .image-upload-container:hover .upload-overlay {
  background: rgba(0, 0, 0, 0.5);
}

.signup .upload-icon {
  color: white;
  font-size: 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.signup .image-upload-container:hover .upload-icon {
  opacity: 1;
}

.signup .image-upload-container.has-image .upload-overlay {
  background: rgba(0, 0, 0, 0.5);
}

.signup .image-upload-container.has-image .upload-icon {
  opacity: 1;
}

.signup .position-relative {
  position: relative;
}

.signup .valid-feedback {
  position: relative;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2em;
  color: green;
}

.signup .password-field {
  position: relative;
}

.signup .toggle-password {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: #666;
  z-index: 10;
  padding: 5px;
}

.signup .toggle-password:hover {
  color: #e74c3c;
}

.signup .password-helper {
  color: #e74c3c;
  font-size: 0.8em;
  margin-top: -0.5rem;
  margin-bottom: 0.5rem;
  display: block;
}

/* Responsive Adjustments */
@media screen and (max-width: 768px) {
  .signup .signup-container {
    width: 95%;
    margin: 1rem;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  .signup {
    animation: none;
    background: linear-gradient(45deg, #e74c3c, #f39c12);
  }
}

@keyframes gradientBG {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}