body{font-family:system-ui,sans-serif;margin:0;background:#f2f3f5}.container{max-width:480px;margin:0 auto;padding:20px 16px 80px}header{display:flex;justify-content:space-between;align-items:center}button{width:100%;padding:14px;margin-bottom:12px;font-size:16px;border-radius:8px;border:1px solid #ddd;background:#fff}button:active{transform:scale(.98)}.symptoms button{display:block}.sticky-footer{position:fixed;bottom:0;left:0;right:0;background:#fff;padding:12px 16px;box-shadow:0 -2px 10px #0000000d}.center{text-align:center}.spinner{margin:20px auto;width:40px;height:40px;border:4px solid #ccc;border-top:4px solid #000;border-radius:50%;animation:spin 1s linear infinite}.ai-log{margin-top:20px;font-family:monospace;font-size:.85rem;text-align:left;max-width:500px;margin-left:auto;margin-right:auto;color:#333}.certificate{position:relative;background:#fff;padding:60px;border:3px solid #000;font-family:Times New Roman,serif;line-height:1.6}.seal{position:absolute;top:40px;right:40px;width:130px;height:130px;border:4px solid darkred;border-radius:50%;color:#8b0000;font-weight:700;font-size:.8rem;text-align:center;display:flex;align-items:center;justify-content:center;transform:rotate(-18deg);opacity:.85}@keyframes spin{to{transform:rotate(360deg)}}.certificate{background:#fff;padding:24px;border:2px solid #000;font-family:Times New Roman,serif;margin-top:20px}.certificate-meta{margin-top:30px;font-size:.8rem;letter-spacing:.5px;color:#222}.certificate h2{text-transform:uppercase;text-align:center;letter-spacing:2px;margin-bottom:40px}.certificate strong{display:inline-block;width:160px}.lang-toggle{display:flex;gap:10px}.lang-toggle img{width:32px;height:24px;cursor:pointer;opacity:.5;border-radius:4px}.lang-toggle img.active{opacity:1;outline:2px solid black}@media print{body{background:#fff}.seal{opacity:1}button{display:none}}