:root {
  --bg: #fafafa;
  --card-bg: #ffffff;
  --text: #262626;
  --text-muted: #737373;
  --border: #dbdbdb;
  --accent: #0095f6;
  --ig-gradient: linear-gradient(135deg, #feda75 0%, #fa7e1e 25%, #d62976 50%, #962fbf 75%, #4f5bd5 100%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card-bg: #121212;
    --text: #f5f5f5;
    --text-muted: #a8a8a8;
    --border: #262626;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 360px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
}

.avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.avatar-ring {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  padding: 3px;
  margin: 0 auto 16px;
  background: var(--ig-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-ring .avatar {
  border: 3px solid var(--card-bg);
}

.name {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 2px;
}

.username {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0 0 28px;
}

.followers {
  margin-bottom: 28px;
}

.followers-count {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  display: block;
  line-height: 1.1;
}

.followers-label {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cta {
  display: inline-block;
  background: var(--ig-gradient);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  padding: 12px 28px;
  border-radius: 8px;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.error {
  color: var(--text-muted);
  font-size: 14px;
}

/* Skeleton loading state */
.skeleton {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.skeleton[hidden],
.content[hidden],
.error[hidden] {
  display: none;
}

.skeleton .avatar {
  margin-bottom: 8px;
}

.line {
  height: 12px;
  border-radius: 6px;
}

.shimmer {
  background: linear-gradient(90deg, var(--border) 25%, var(--card-bg) 50%, var(--border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}