* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  min-height: 100vh;
  background-color: #f5f5f5;
  transition: opacity 0.2s ease-in-out;
}

html{
  scroll-behavior: smooth;
}

.container {
  max-width: 1500px;
  margin: 0 auto;

  @media only screen and (max-width: 1366px) {
    max-width: 100vw;
  }
}

/* Register */

.split-container {
  display: flex;
  min-height: 100vh;
}

.login-left {
  flex: 1;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: white;
}

.login-right {
  flex: 1;
  position: relative;
  background-color: #2c3e50;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.art-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
}

.caption {
  position: absolute;
  color: white;
  text-align: center;
  padding: 2rem;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 10px;
}

h2 {
  margin-bottom: 1rem;
  color: #2c3e50;
}

.login-left h2 {
  font-size: 2rem;
}

.login-left p {
  color: #666;
  margin-bottom: 2rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 400px;
}

input,
select {
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
}

.login-btn {
  background-color: #3498db;
  color: white;
  padding: 0.8rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s;
}

.login-btn:hover {
  background-color: #2980b9;
}

.register-link {
  margin-top: 1rem;
  text-align: center;
}

.register-link a {
  color: #3498db;
  text-decoration: none;
}

.register-link a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .split-container {
    flex-direction: column;
  }

  .login-right {
    display: none;
  }
}

.error-message {
  background-color: #ffebee;
  color: #c62828;
  padding: 10px;
  border-radius: 5px;
  margin-bottom: 1rem;
  border: 1px solid #ef9a9a;
}

.success-message {
  background-color: #e8f5e9;
  color: #2e7d32;
  padding: 10px;
  border-radius: 5px;
  margin-bottom: 1rem;
  border: 1px solid #a5d6a7;
}

/* Page Transitions */
.page-transition {
  opacity: 0;
  transition: opacity 0.2s ease-in-out;
}

.page-transition.active {
  opacity: 1;
}

/* Sidebar Transitions */
.sidebar-transition {
  transition: transform 0.3s ease-in-out;
}

.dropdown-transition {
  transition: max-height 0.3s ease-in-out;
  overflow: hidden;
}

/* Mobile Menu Transitions */
.mobile-menu-transition {
  transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
}