.page-shell { background: var(--color-bg); min-height: 100vh; padding: 96px 16px 32px; max-width: 1100px; margin: 0 auto; }
.page-shell .card { max-width: 900px; margin: 0 auto; }
.data-output { margin: 16px 0 0; padding: 16px; overflow: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg); color: var(--color-text); font: 0.85rem/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap; overflow-wrap: anywhere; }
.app-shell { min-height: 100vh; background: var(--color-bg); }
h1 { margin-top: 0; }