body{font-family:system-ui,-apple-system,sans-serif;background:#0f172a;color:#f8fafc;margin:0;padding:24px 16px}.carte{max-width:520px;margin:0 auto}.sous{color:#94a3b8;margin-top:4px}.formulaire{display:flex;gap:8px;margin:20px 0}.formulaire input{flex:1;padding:10px 12px;border-radius:8px;border:1px solid #334155;background:#1e293b;color:#f8fafc}.formulaire button{padding:10px 16px;border-radius:8px;border:none;background:#38bdf8;color:#082f49;font-weight:600;cursor:pointer}.liste{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}.liste li{display:flex;justify-content:space-between;padding:12px 14px;background:#1e293b;border-radius:8px;border:1px solid #334155}.total{margin-top:16px;font-size:1.2rem;font-weight:700;text-align:right}