/* General Styles */
:root {
  --primary-color: #3498db;
  --secondary-color: #2980b9;
  --background-color: #f4f4f9;
  --text-color: #2c3e50;
  --box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  --border-radius: 10px;
  --transition-speed: 0.3s;
}

body {
  font-family: 'Arial', sans-serif;
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  color: var(--text-color);
}

.form-container {
  background-color: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  width: 90%;
  max-width: 400px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.form-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

h2 {
  margin-bottom: 1.5rem;
  font-size: 2rem;
  color: var(--text-color);
}

.input-group {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.input-group i {
  margin-right: 1rem;
  color: var(--primary-color);
  font-size: 1.2rem;
}

input {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ccc;
  border-radius: var(--border-radius);
  outline: none;
  font-size: 1rem;
  transition: border-color var(--transition-speed) ease;
}

input:focus {
  border-color: var(--primary-color);
}

button {
  width: 100%;
  padding: 0.8rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 1rem;
  transition: background-color var(--transition-speed) ease;
}

button:hover {
  background-color: var(--secondary-color);
}

.register-link, .forgot-password {
  margin-top: 1rem;
  font-size: 0.9rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}


#popup-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
}

.popup {
  padding: 1rem;
  border-radius: var(--border-radius);
  color: white;
  font-size: 1rem;
  margin-bottom: 1rem;
  animation: slideIn 0.5s ease-out;
  box-shadow: var(--box-shadow);
}

.popup.error {
  background-color: #e74c3c; /* Red for errors */
}

.popup.success {
  background-color: #2ecc71; /* Green for success */
}


.error-message {
  color: red;
  font-size: 0.9em;
  margin-left: 10px;
}



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

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

/* Responsive Design */
@media (min-width: 768px) {
  .form-container {
    padding: 2.5rem;
    max-width: 500px;
  }

  h2 {
    font-size: 2.5rem;
  }

  input {
    padding: 1rem;
    font-size: 1.1rem;
  }

  button {
    padding: 1rem;
    font-size: 1.1rem;
  }

  .input-group i {
    font-size: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .form-container {
    max-width: 600px;
  }

  h2 {
    font-size: 3rem;
  }

  input {
    padding: 1.2rem;
    font-size: 1.2rem;
  }

  button {
    padding: 1.2rem;
    font-size: 1.2rem;
  }

  .input-group i {
    font-size: 1.8rem;
  }
}