:root{font-family:system-ui,-apple-system,Segoe UI,sans-serif;color-scheme:light}body{margin:0;background:#f6f5f2;color:#1c1c1c}.app-shell{max-width:960px;margin:0 auto;padding:1.5rem}.app-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.tabs{display:flex;gap:.5rem;margin-bottom:1.5rem;flex-wrap:wrap}.tabs button{border:1px solid #ccc;background:#fff;padding:.4rem .9rem;border-radius:999px;cursor:pointer}.tabs button[aria-pressed=true]{background:#1c1c1c;color:#fff;border-color:#1c1c1c}form.card,.card{background:#fff;border:1px solid #e2e0da;border-radius:10px;padding:1rem;margin-bottom:1rem}form.card label{display:block;margin-bottom:.6rem;font-size:.9rem}form.card input,form.card select{width:100%;padding:.4rem;margin-top:.2rem;box-sizing:border-box}.error{color:#b00020}.hint{color:#555;font-size:.85rem}.badge{display:inline-block;padding:.1rem .5rem;border-radius:999px;font-size:.75rem;background:#eee}.badge.active{background:#d5f0dc}.lang-switch button{margin-left:.3rem}