body {
    margin: 0;
    padding: 2rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: #0d1117;
    color: #ffffff;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
    background-color: #1a1f2e;
    border-radius: 12px;
}

h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 0 0 2rem 0;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.input-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #e1e1e1;
}

input {
    width: 100%;
    padding: 0.75rem;
    font-size: 1.1rem;
    background-color: #2d3343;
    border: none;
    border-radius: 6px;
    color: white;
    box-sizing: border-box;
}

input:focus {
    outline: none;
    box-shadow: 0 0 0 2px #3b82f6;
}

.results {
    background-color: #21273a;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.results h2 {
    font-size: 1.3rem;
    margin: 0 0 1rem 0;
}

.results p {
    font-size: 1.1rem;
    margin: 0.75rem 0;
    color: #e1e1e1;
}

.green-text {
    color: #4ade80;
}

input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
    -webkit-appearance: none;
    margin: 0;
}

input[type=number] {
    -moz-appearance: textfield;
}