:root{--vc-font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--vc-text:#222;--vc-muted:#6b6b6b;--vc-border:#d9d9d9;--vc-error:#b00020;--vc-accent:#111}*{box-sizing:border-box}body{font-family:var(--vc-font);color:var(--vc-text);margin:0;font-size:14px}.vc-row{align-items:center;gap:8px;display:flex}.vc-stack{flex-direction:column;gap:8px;display:flex}.vc-input{border:1px solid var(--vc-border);font:inherit;border-radius:4px;flex:1;padding:6px 8px}.vc-button{border:1px solid var(--vc-accent);background:var(--vc-accent);color:#fff;font:inherit;cursor:pointer;border-radius:4px;padding:6px 12px}.vc-button:disabled{opacity:.5;cursor:default}.vc-error{color:var(--vc-error);font-size:12px}.vc-muted{color:var(--vc-muted);font-size:12px}.vc-page{max-width:960px;margin:0 auto;padding:24px 16px}.vc-page table{border-collapse:collapse;width:100%}.vc-page th,.vc-page td{text-align:left;border-bottom:1px solid var(--vc-border);vertical-align:top;padding:8px}.vc-harness{grid-template-columns:1fr 320px;gap:16px;min-height:100vh;padding:16px;display:grid}.vc-harness__panel{border-left:1px solid var(--vc-border);padding-left:16px}.vc-harness textarea{width:100%;min-height:80px;font-family:monospace;font-size:12px}.vc-frame{border:1px dashed var(--vc-border);padding:12px}