:root{color-scheme:light dark;font-family:system-ui,-apple-system,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#e8eef8,#ced8e8);color:#142033}.card{width:min(92vw,32rem);padding:2.4rem;border:1px solid #c8d4e5;border-radius:1rem;background:#f9fbff;box-shadow:0 1rem 3rem #63799a44}.eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.14em;color:#526a89}h1{margin:.15rem 0 1rem;font-size:1.8rem}.file,button{display:block;width:100%;padding:.8rem 1rem;border-radius:.55rem;font:inherit}.file{margin:1.5rem 0 .75rem;border:1px dashed #6b85a9;cursor:pointer}.file input{display:none}button{border:0;background:#1d4f91;color:#fff;cursor:pointer}#result{min-height:1.5rem;color:#8b2532}footer{margin-top:2rem;padding-top:1rem;border-top:1px solid #d4deeb;color:#49617e}.dot{display:inline-block;width:.55rem;height:.55rem;margin-right:.35rem;border-radius:50%;background:#247a50}@media (prefers-color-scheme:dark){body{background:linear-gradient(135deg,#101a29,#18263a);color:#e7eef9}.card{background:#152338;border-color:#2f496a}.file{border-color:#7094c4}footer{border-color:#304966;color:#b2c7e2}}