body{margin:0;font-family:Segoe UI,sans-serif;background:#0b0f1a;color:#e6f1ff}.container{max-width:900px;margin:auto;padding:40px 20px}.card{background:#121a2b;padding:25px;border-radius:14px;box-shadow:0 0 25px #00cfff26;margin-bottom:20px}.title{text-align:center;color:#00cfff;margin-bottom:30px}input[type=file]{width:100%;padding:10px;background:#0b0f1a;border:1px solid #00cfff;border-radius:8px;color:#fff}.btn{background:#00cfff;border:none;padding:12px 20px;color:#000;font-weight:700;border-radius:8px;cursor:pointer;transition:.3s}.btn:hover{box-shadow:0 0 15px #00cfff;transform:translateY(-2px)}.record{border-left:4px solid #00cfff;margin-top:15px;padding:15px;background:#0f1626;border-radius:8px}.nav-btn{margin-bottom:20px}