body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: radial-gradient(circle at top, #1a1a1a, #000);
  color: #f2f2f2;
}

.header {
  text-align: center;
  padding: 50px 20px;
  background: linear-gradient(180deg, #0f0f0f, #000);
}

.header h1 {
  font-size: 42px;
  letter-spacing: 2px;
}

.header p {
  color: #aaa;
  margin-top: 10px;
}

.profile {
  text-align: center;
  padding: 40px 20px;
}

.avatar {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #6a5acd;
}

.bio {
  max-width: 420px;
  margin: 20px auto;
  color: #ccc;
  line-height: 1.5;
}

button {
  background: linear-gradient(135deg, #6a5acd, #836fff);
  color: white;
  border: none;
  padding: 14px 32px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 30px;
  transition: transform 0.2s ease;
}

button:hover {
  transform: scale(1.05);
}

.feed {
  max-width: 650px;
  margin: auto;
  padding: 20px;
}

.post {
  background: rgba(255,255,255,0.05);
  padding: 18px;
  border-radius: 14px;
  margin-bottom: 18px;
  backdrop-filter: blur(5px);
}

.lock {
  display: inline-block;
  margin-top: 8px;
  color: #999;
  font-size: 14px;
}
.hidden {
  display: none;
}

.locked {
  position: relative;
}

.locked .lock {
  display: block;
  margin-top: 10px;
  color: #aaa;
}