* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: rgb(210, 210, 230);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

/* Main Container */
.container {
  position: relative;
  width: 100%;
  max-width: 900px;
  height: 570px;
  background: white;
  border-radius: 25px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

/* Form Container */
.form-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  transition: all 0.6s ease-in-out;
  opacity: 0;
  visibility: hidden;
}

.form-container.active {
  opacity: 1;
  visibility: visible;
}

/* Welcome Panel */
.welcome-panel {
  flex: 1;
  /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
  background-color: rgb(37, 99, 235);
  padding-left: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  color: white;
}

.welcome-panel.main {
  padding-left: 0px;
  padding-right: 60px;
}

/* Curved Edge Effect */
#loginContainer .welcome-panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100%;
  background: white;
  border-radius: 50% 0 0 50%;
  transform: translateX(50px);
}

#registerContainer .welcome-panel::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100px;
  height: 100%;
  background: white;
  border-radius: 0 50% 50% 0;
  transform: translateX(-50px);
}

.welcome-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 300px;
}

.welcome-content h2 {
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: 15px;
  line-height: 1.2;
}

.welcome-content a {
  color: white;
  font-size: 1rem;
  margin-bottom: 30px;
  opacity: 0.9;
  text-decoration: none;
}

.welcome-content a:hover {
  text-decoration: underline;
}

.switch-btn {
  display: block;
  background: transparent;
  border: 2px solid white;
  margin-top: 10px;
  color: white;
  padding: 12px 35px;
  border-radius: 25px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.switch-btn:hover {
  background: white;
  color: #667eea;
  transform: translateY(-2px);
}

/* #registerContainer {
    display: flex;
    width: 100%;
    max-width: 900px;
    margin: 50px auto;
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
} */

/* Form Panel */
.form-panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 50px;
}

.form-content {
  width: 100%;
  max-width: 350px;
}

.form-content h2 {
  font-size: 2.2rem;
  color: #333;
  margin-bottom: 40px;
  text-align: center;
  font-weight: 400;
}

/* Input Fields */
.input-field {
  position: relative;
  margin-bottom: 25px;
}

.input-field input {
  width: 100%;
  padding: 18px 50px 18px 20px;
  border: none;
  background: #f5f5f5;
  border-radius: 25px;
  font-size: 1rem;
  outline: none;
  transition: all 0.3s ease;
  color: #333;
}

.input-field input:focus {
  background: #e8e8e8;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.input-field input::placeholder {
  color: #999;
}

.input-field i {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: #999;
  font-size: 1.1rem;
}

/* Forgot Password Link */
.forgot-link {
  text-align: right;
  margin-bottom: 30px;
}

.forgot-link a {
  color: #667eea;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.forgot-link a:hover {
  color: #5a6fd8;
  text-decoration: underline;
}

/* Submit Button */
.submit-button {
  display: inline-block;
  height: 20%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px 20px;
  font-weight: 1000;
  width: 100%;
  background-color: rgb(37, 99, 235);
  color: white;
  border-radius: 25px;
  text-decoration: none; /* removes underline */
  border: none;
  cursor: pointer;
}

.submit-button:hover {
  background-color: #0056b3;
}

a {
  color: white;
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.submit-button:active {
  transform: translateY(0);
}

/* Social Login */
.social-login {
  text-align: center;
}

.social-login p {
  color: #999;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 15px;
}

.social-btn {
  width: 50px;
  height: 50px;
  border: 1px solid #ddd;
  border-radius: 50%;
  background: white;
  color: #666;
  font-size: 1.3rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.social-btn.google:hover {
  background: #db4437;
  color: white;
  border-color: #db4437;
}

.social-btn.facebook:hover {
  background: #3b5998;
  color: white;
  border-color: #3b5998;
}

.social-btn.github:hover {
  background: #333;
  color: white;
  border-color: #333;
}

.social-btn.linkedin:hover {
  background: #0077b5;
  color: white;
  border-color: #0077b5;
}

/* Loading State */
.loading {
  position: relative;
  color: transparent;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    height: auto;
    min-height: 600px;
    max-width: 400px;
  }

  .form-container {
    flex-direction: column;
  }

  .welcome-panel {
    order: 2;
    min-height: 200px;
  }

  .welcome-panel::after {
    display: none;
  }

  .form-panel {
    order: 1;
    padding: 40px 30px;
  }

  .welcome-content h2 {
    font-size: 2rem;
  }

  .form-content h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
  }

  .social-icons {
    gap: 12px;
  }

  .social-btn {
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
  }

  #registerContainer .form-panel {
    order: 1;
  }

  #registerContainer .welcome-panel {
    order: 2;
  }
}

@media (max-width: 480px) {
  body {
    padding: 10px;
  }

  .form-panel {
    padding: 30px 20px;
  }

  .welcome-content {
    padding: 20px;
  }

  .welcome-content h2 {
    font-size: 1.8rem;
  }

  .form-content h2 {
    font-size: 1.6rem;
  }

  .input-field input {
    padding: 15px 45px 15px 18px;
  }

  .submit-button {
    padding: 15px;
    font-size: 1rem;
  }
}

/* Form Transition Animations */
.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}