.bmi-page{background-color:#121212;min-height:100vh;color:#fff;padding:30px;text-align:center}.bmi-title{font-size:2rem;margin-bottom:20px}.bmi-card{background:#1e1e1e;padding:30px;max-width:400px;margin:auto;border-radius:10px;display:flex;flex-direction:column;gap:15px}.bmi-card input{padding:12px;border-radius:6px;border:1px solid #333;background:#000;color:#fff}.bmi-card button{padding:12px;background:#6200ea;color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:1rem}.bmi-card button:hover{background:#4b00b8}.bmi-result{margin-top:15px;font-size:1.1rem}