body {
    font-family: Arial, sans-serif;
    background-color: #ffffff;
    height: 100vh;
    margin: 0;
}

.container {
    width: 500px;
    background-color: white;
    border-radius: 12px;
    padding: 20px;
    padding-bottom: 30px; /* Extra padding for bottom border */
    text-align: center;
    position: relative;
    border: 2px solid #e0e0e0;
    border-bottom: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.1));
    margin: 30px auto;
}
@media (max-width: 768px) {
    .container {
      width: 352px;
    }
    input, select{
        width: 140px !important;
    }
}

/* Bottom border effect with pointed edges */
.container::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: -2px;
    right: -2px;
    height: 12px;
    background: #ff4d4d;
    clip-path: polygon(
        0% 20%,
        2% 100%,
        98% 100%,
        100% 20%,
        98% 0%,
        2% 0%
    );
}

/* Side edges effect */
.container::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -2px;
    right: -2px;
    height: 12px;
    background: #ff4d4d;
    clip-path: polygon(
        0% 20%,
        2% 100%,
        98% 100%,
        100% 20%,
        100% 100%,
        0% 100%
    );
}

h1 {
    color: #ffffff;
    margin-bottom: 25px;
}

.calculator {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
}

input,
select {
    padding: 10px;
    margin: 5px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

input[type="number"] {
    width: 150px;
}

select {
    width: 172px;
}

.equals {
    font-size: 24px;
    margin: 0 10px;
}

.formatted-result {
    margin-top: 20px;
    padding: 10px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 18px;
    color: #333;
}