* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, #111827, #1f2937);
  color: #ffffff;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 44px 20px 28px;
  text-align: center;
}

.profile {
  margin-bottom: 28px;
}

.avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.hidden {
  display: none;
}

h1 {
  margin: 16px 0 8px;
  font-size: 28px;
  line-height: 1.2;
}

p {
  margin: 0;
}

#bio {
  color: #d1d5db;
  font-size: 15px;
  line-height: 1.5;
}

.links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.link-button {
  display: block;
  width: 100%;
  padding: 16px 18px;
  border-radius: 16px;
  background: #ffffff;
  color: #111827;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
}

.link-button:hover {
  transform: translateY(-2px);
  background: #f3f4f6;
  box-shadow: 0 12px 22px rgba(0, 0, 0, 0.24);
}

.loading,
.empty,
.error {
  color: #d1d5db;
  font-size: 14px;
}

.footer {
  margin-top: 28px;
  font-size: 12px;
  color: #9ca3af;
}

@media (max-width: 420px) {
  .container {
    padding-top: 36px;
  }

  h1 {
    font-size: 24px;
  }

  .link-button {
    padding: 15px 16px;
    font-size: 15px;
  }
}