body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f5f7fa;
}

header .top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #2c3e50;
  color: #fff;
  padding: 10px 20px;
}

.site-title {
  font-size: 24px;
  font-weight: bold;
}

.main-nav a {
  color: #ecf0f1;
  margin-left: 15px;
  text-decoration: none;
}

.main-nav a:hover {
  text-decoration: underline;
}

.username-display {
  font-size: 12px;
}

main {
  padding: 20px;
}

footer {
  background: #34495e;
  color: #ecf0f1;
  padding: 10px 20px;
}

.footer-nav a {
  color: #ecf0f1;
  margin-right: 15px;
  text-decoration: none;
}

.home ul {
  list-style: disc;
  padding-left: 20px;
}

.error {
  color: #c0392b;
  margin-bottom: 10px;
}

.profiles-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 20px;
}

.profile-card {
  background: #fff;
  border: 1px solid #ddd;
  width: 220px;
  text-decoration: none;
  color: #333;
  padding: 10px;
}

.profile-picture img {
  width: 200px;
  height: 200px;
  object-fit: cover;
}

.no-picture-box {
  width: 200px;
  height: 200px;
  border: 1px dashed #999;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
}

.picture-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.picture-slot img {
  width: 200px;
  height: 200px;
  object-fit: cover;
}

.primary-label {
  font-size: 12px;
  color: #27ae60;
}

.message-list .message-item {
  background: #fff;
  border: 1px solid #ddd;
  margin-bottom: 10px;
  padding: 10px;
}

.message-meta {
  font-size: 12px;
  color: #555;
  display: flex;
  justify-content: space-between;
}