:root{--nq-primary: #0d9488;--nq-primary-dark: #0f766e;--nq-bg: #f1f5f9;--nq-card: #ffffff;--nq-text: #0f172a;--nq-muted: #64748b;--nq-border: #e2e8f0}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--nq-bg);color:var(--nq-text)}button{cursor:pointer;font:inherit;border:none;border-radius:8px;padding:10px 16px;background:var(--nq-primary);color:#fff;transition:background .15s}button:hover{background:var(--nq-primary-dark)}button:disabled{opacity:.6;cursor:not-allowed}input{font:inherit;padding:10px 12px;border:1px solid var(--nq-border);border-radius:8px;width:100%}.card{background:var(--nq-card);border:1px solid var(--nq-border);border-radius:12px;padding:20px}code{background:var(--nq-bg);padding:1px 6px;border-radius:4px;font-size:.9em}.spin{animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}