@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

* {
  box-sizing: border-box;
}

body {
  background-color: #f4f7f6; /* Light grey background */
  font-family: 'Roboto', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
}

.container {
  border-radius: 8px; /* Slightly more rounded */
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); /* Softer shadow */
  overflow: hidden;
  width: 350px; /* Slightly wider container */
}

.title {
  margin: 0;
  color: #ecf0f1; /* Light grey */
}

.subtitle {
  display: inline-block;
  margin: 5px 0 20px;
  opacity: 0.9; /* Slightly less transparent */
  color: #ecf0f1;
}

.header {
  background-color: #3498db; /* Blue header */
  color: #fff;
  padding: 30px 20px;
}

.header input {
  background-color: rgba(255, 255, 255, 0.2); /* Transparent white */
  border: 0;
  border-radius: 50px;
  color: #fff;
  font-size: 14px;
  padding: 10px 15px;
  width: 100%;
}

.header input::placeholder {
  color: rgba(255, 255, 255, 0.7); /* Lighter placeholder text */
}

.header input:focus {
  outline: none;
  background-color: rgba(255, 255, 255, 0.3); /* More opaque on focus */
}

.user-list {
  background-color: #fff;
  list-style-type: none;
  margin: 0;
  padding: 0;
  max-height: 400px;
  overflow-y: auto;
}

.user-list li {
  display: flex;
  padding: 20px;
  align-items: center; /* Vertically align items */
}

.user-list img {
  border-radius: 50%;
  object-fit: cover;
  height: 50px;
  width: 50px;
  border: 2px solid #bdc3c7; /* Light grey border for avatar */
}

.user-list .user-info {
  margin-left: 15px; /* Increased margin */
}

.user-list .user-info h4 {
  margin: 0 0 5px; /* Adjusted margin */
  color: #34495e; /* Darker blue-grey for name */
}

.user-list .user-info p {
  font-size: 13px; /* Slightly larger font */
  color: #7f8c8d; /* Grey for location */
}

.user-list li:not(:last-of-type) {
  border-bottom: 1px solid #ecf0f1; /* Lighter border */
}

.user-list li.hide {
  display: none;
}

#clearFilterBtn {
  background-color: #2ecc71; /* Green button */
  color: #fff;
  border: none;
  padding: 8px 15px;
  border-radius: 5px;
  cursor: pointer;
  margin-top: 15px;
  width: 100%;
  transition: background-color 0.3s ease;
}

#clearFilterBtn:hover {
  background-color: #27ae60; /* Darker green on hover */
}