:root{--sand:#f4ecdc;--sea:#2b8aa6;--ink:#1c2b33}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--sand)}main{max-width:480px;margin:0 auto;padding:24px}h1{font-size:1.5rem}button{font:inherit;padding:12px 16px;border:none;border-radius:10px;background:var(--sea);color:#fff;cursor:pointer}button.secondary{background:transparent;color:var(--sea);border:1px solid var(--sea)}.row{display:flex;align-items:center;justify-content:space-between;margin:12px 0}.stepper button{width:40px;padding:8px}.card{background:#fff;border-radius:14px;padding:16px;margin:12px 0}