@import url("https://fonts.googleapis.com/css2?family=Rubik+Mono+One&display=swap");

* {
    box-sizing: border-box;
    font-family: "Rubik Mono One", monospace;
    font-weight: normal;
    margin: 0;
}

.page {
    align-items: center;
    background-color: #88bbee;
    display: flex;
    height: 100vh;
    justify-content: center;
}

.calculator {
    background: linear-gradient(
        145deg,
        rgba(255, 255, 255, 0.5),
        rgba(255, 255, 255, 0.1)
    );
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
    padding: 20px;
    width: 363px;
}

input[type="text"] {
    background: linear-gradient(
        145deg,
        rgba(255, 255, 255, 0.8),
        rgba(255, 255, 255, 0.1)
    );
    border: none;
    border-radius: 10px;
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.2),
        0 0 10px rgba(0, 0, 0, 0.1);
    color: #333;
    font-size: 24px;
    margin-bottom: 20px;
    outline: none;
    padding: 15px;
    text-align: right;
    width: 100%;
}

.tombol button {
    background: linear-gradient(
        145deg,
        rgba(255, 255, 255, 0.6),
        rgba(255, 255, 255, 0.2)
    );
    border: none;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1),
        inset 0 0 10px rgba(255, 255, 255, 0.2);
    cursor: pointer;
    font-size: 24px;
    margin: 5px;
    outline: none;
    padding: 15px 20px;
    position: relative;
    transition: all 0.3s ease;
}

.tombol button:hover {
    background: linear-gradient(
        145deg,
        rgba(255, 255, 255, 0.8),
        rgba(255, 255, 255, 0.4)
    );
    transform: translateY(-2px);
}

button {
    color: #333;
}

button span {
    position: relative;
    z-index: 2;
}

button::before {
    color: rgba(255, 255, 255, 0.6);
    content: attr(data-value);
    pointer-events: none;
    position: absolute;
    left: 2px;
    top: 2px;
}

.credit {
    position: fixed;
    bottom: 20px;
    left: 20px;
    font-size: 12px;
    color: #333;
}