body {
  font-family: Arial;
 
  background-color: #f4f4f4;
}

.navbar {
  background-color: #333;
  overflow: hidden;
  padding: 10px 20px;
}

.navbar a {
  float: left;
  color: white;
  text-align: center;
  padding: 14px 20px;
  text-decoration: none;
}

.auth-section {
  float: right;
  margin-top: 10px;
}

.auth-section img {
  vertical-align: middle;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  margin-right: 10px;
}

.auth-section button {
  background-color: transparent;
  color: white;
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.form-section, .profile-section, .admin-section {
  background: white;
  padding: 20px;
  border-radius: 8px;
  max-width: 400px;
  margin: auto;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.hidden {
  display: none;
}

input[type="text"], input[type="email"], input[type="password"] {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  box-sizing: border-box;
}

.chat-box {
  background-color: #fff;
  border: 1px solid #ccc;
  padding: 10px;
  height: 300px;
  overflow-y: auto;
  margin-bottom: 20px;
}

.card {
  background-color: white;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
  margin-bottom: 15px;
  position: relative;
}

.actions {
  margin-top: 10px;
}

.actions button {
  margin-right: 10px;
}

.filters {
  background-color: #fff;
  padding: 15px;
  border-radius: 8px;
  max-width: 400px;
  margin: auto;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
  margin-bottom: 30px;
}

.modal {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0,0,0,0.5);
  z-index: 999;
}

.modal-content {
  background-color: #ffffff;
  margin: 15% auto;
  padding: 20px;
  border: 1px solid #888;
  width: 80%;
  border-radius: 8px;
  position: relative;
}

.close-btn {
  float: right;
  font-size: 24px;
  cursor: pointer;
  color: #aaa;
}