body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at 60% 20%, #3b0066, #141408);
    font-family: "Segoe UI", sans-serif;
}

.names {
    position: absolute;
    right: -31px;

    ul li {
    color: #e9f50a;
    font-size: 25px;
    font-weight: 300;
    padding-right: 2%;
    }

    ul li:nth-child(1) {
        font-weight: bold;
        list-style-type: none;
    }

    
}


.calculator {
    width: 320px;
    padding: 25px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 0 25px rgba(255,255,255,0.15);
}

#viewvalue {
    width: 91%;
    height: 70px;
    margin-bottom: 15px;
    border: none;
    padding: 15px;
    font-size: 26px;
    text-align: right;
    color: #f6f6f6;
    background: rgba(255,255,255,0.12);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    box-shadow: inset 0 0 10px rgba(255,255,255,0.1);
}

.buttons {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(4, 1fr);
}

input[type="button"] {
    padding: 16px;
    border-radius: 16px;
    border: none;
    cursor: pointer;
    font-size: 18px;
    color: white;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(10px);
    transition: .25s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

input[type="button"]:hover {
    background: rgba(255,255,255,0.18);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255,255,255,0.25);
}

input[type="button"]:active {
    transform: scale(0.92);
    box-shadow: 0 1px 5px rgba(0,0,0,0.3);
}

.zero {
    grid-column: span 2;
}

input[value="/"],
input[value="*"],
input[value="-"],
input[value="+"],
input[value="√"],
input[value="π"],
input[value="x²"] {
    background: rgba(17, 63, 145, 0.25);
    color: #8dd0ff;
}

.equals {
    grid-column: span 3;
    background: linear-gradient(90deg, #33ffd8, #00a2ff);
    color: #06162b;
    font-weight: bold;
    box-shadow: 0 0 12px rgba(0,255,255,0.6);
}

.equals:hover {
    box-shadow: 0 0 20px rgba(0,255,255,0.9);
}

input[value="C"] {
    background: rgba(255,30,30,0.35);
    color: #ffdede;
}

input[value="⌫"] {
    background: rgba(255,180,0,0.35);
    color: #fff1c8;
}