body {
  font-family: Arial, sans-serif;
  background-color: #f0f2f5;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  padding-top: 100px;
}

header {
  background-color: #2f3640;
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  top: 0;
  width: 100%;
  height: 80px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.login-title {
  margin: 0;
  font-size: 2em;
  color: white;
}


.back-btn {
  position: absolute;
  left: 20px;
  background-color: #6c757d;
  color: white;
  padding: 10px 15px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s;
}

.back-btn:hover {
  background-color: #5a6268;
}


.login-container {
  background-color: white;
  width: 320px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  overflow: hidden;
}

.login-header {
  background-color: #2f3640;
  color: white;
  text-align: center;
  padding: 15px 0;
  font-size: 1.3em;
  font-weight: bold;
}

.login-form {
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.login-form label {
  margin-bottom: 5px;
  font-weight: bold;
}

.login-form input {
  margin-bottom: 15px;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 1em;
}

.login-form button {
  background-color: #2f3640;
  color: white;
  border: none;
  padding: 10px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1em;
  transition: background-color 0.3s;
}

.login-form button:hover {
  background-color: #1f242a;
}