:root{font-family:Inter,"Noto Sans SC",system-ui,sans-serif;color:#243042;background:#fffaf4}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(180deg,#fffaf4,#f5fbff)}button,input{font:inherit}.shell{max-width:900px;margin:auto;padding:24px}.top{display:flex;justify-content:space-between;align-items:center;gap:12px}.brand{font-weight:900;font-size:24px}.pill{background:#fff;border:1px solid #e8e8e8;border-radius:999px;padding:8px 12px}.card{background:#fff;border:1px solid #eee4da;border-radius:28px;padding:28px;box-shadow:0 14px 40px #8b6b4a12;margin-top:18px}.hero{text-align:center;padding:38px 24px}.mia{width:90px;height:90px;border-radius:50%;display:grid;place-items:center;margin:auto;background:#ffe9bd;font-size:48px}.hero h1{font-size:clamp(30px,7vw,54px);margin:14px 0 6px}.sub{color:#687386;line-height:1.7}.btn{border:0;border-radius:18px;padding:15px 20px;font-weight:800;cursor:pointer;background:#ffb84d;color:#3a2a10}.btn.secondary{background:#eef5ff;color:#24466c}.btn.ghost{background:#fff;border:1px solid #ddd}.btn:disabled{opacity:.5}.actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:22px}.progress{height:12px;background:#f0eee9;border-radius:99px;overflow:hidden}.progress>i{display:block;height:100%;background:#ffb84d}.sound{font-size:96px;font-weight:900;text-align:center;margin:18px}.phoneme{text-align:center;font-size:28px}.choicegrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:12px;margin:22px 0}.choice{padding:20px;border:2px solid #e8e8e8;border-radius:18px;background:#fff;font-size:28px;font-weight:800}.choice.ok{border-color:#69c77b;background:#effbf1}.choice.bad{border-color:#ef8a8a;background:#fff1f1}.word{font-size:64px;font-weight:900;letter-spacing:8px;text-align:center}.small{font-size:13px;color:#7c8796}.login label{display:block;font-weight:700;margin-top:14px}.login input{width:100%;padding:14px;border:1px solid #d8d8d8;border-radius:14px;margin-top:6px}.status{padding:12px 14px;border-radius:14px;background:#f6f8fb;margin-top:14px}.footer{text-align:center;color:#8993a0;font-size:12px;padding:28px}@media(max-width:600px){.shell{padding:14px}.card{padding:20px;border-radius:22px}.top{align-items:flex-start}.word{font-size:46px}.sound{font-size:80px}}