* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: linear-gradient(145deg, #0f172a 0%, #14532d 55%, #0f172a 100%);
  color: #f8fafc;
}

.tv-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.tv-card {
  max-width: 36rem;
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  backdrop-filter: blur(8px);
}

.tv-card h1 {
  margin: 0 0 1rem;
  font-size: 1.75rem;
}

.tv-message {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.5;
}

.tv-message.error {
  color: #fecaca;
}

.tv-hint {
  margin: 1.25rem 0 0;
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.5;
}

.tv-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: #bbf7d0;
}