body {
    background: radial-gradient(circle at top, #111827, #000);
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
}

.card-box {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 20px;
    width: 100%;
    max-width: 380px;
    text-align: center;
}

.circle {
    width: 100%;
    max-width: 260px;
    aspect-ratio: 1/1;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    margin: 20px auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

input {
    width: 70%;
    padding: 10px;
    border-radius: 10px;
    border: none;
    text-align: center;
    margin-top: 10px;
}

button {
    margin-top: 15px;
    width: 50%;
    border-radius: 10px !important;
    cursor: pointer;
}