:root{color-scheme:light;font-family:Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:#f5f7fb;color:#0f172a}.container{max-width:720px;margin:0 auto;padding:48px 20px}h1{margin:0 0 16px;font-size:2rem}.upload-form{display:grid;grid-gap:12px;gap:12px;margin-top:24px}button{width:-moz-fit-content;width:fit-content;padding:10px 16px;border:0;border-radius:8px;background:#0f172a;color:#fff;cursor:pointer}button:disabled{opacity:.6;cursor:wait}.error{color:#b91c1c}.verdict{font-size:1.25rem;font-weight:700}