body {
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    font-family: "Segoe UI", Arial, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    padding-bottom: 80px;
}

main {
    background: #fff;
    max-width: 420px;
    margin: 48px auto 0 auto;
    padding: 32px 32px 24px 32px;
    border-radius: 18px;
    box-shadow:
        0 8px 32px rgba(60, 60, 120, 0.12),
        0 1.5px 6px rgba(0, 0, 0, 0.04);
}

h1 {
    color: #4f378b;
    text-align: center;
    margin-top: 0;
    margin-bottom: 28px;
    font-size: 2.2rem;
    letter-spacing: 1px;
    font-weight: 700;
}

p {
    color: #3b3b3b;
    font-size: 1.1rem;
    margin: 18px auto 18px auto;
    max-width: 600px;
    line-height: 1.7;
    text-align: center;
}

label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    color: #4f378b;
    margin-bottom: 12px;
    margin-left: 10px;
}

input[type="number"] {
    width: 70px;
    padding: 7px 10px;
    border: 1.5px solid #bdb4fe;
    border-radius: 6px;
    font-size: 1rem;
    transition:
        border 0.2s,
        box-shadow 0.2s;
    outline: none;
    margin-left: 8px;
    background: #f5f3ff;
    color: #3b3b3b;
}
input[type="number"]:focus {
    border: 1.5px solid #7c3aed;
    box-shadow: 0 0 0 2px #c7d2fe;
}

.button {
    display: block;
    width: 100%;
    background: linear-gradient(90deg, #7c3aed 0%, #f472b6 100%);
    color: #fff;
    padding: 14px 0;
    border: none;
    border-radius: 8px;
    font-size: 1.15rem;
    font-weight: 600;
    cursor: pointer;
    margin: 28px 0 10px 0;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.08);
    transition:
        background 0.2s,
        transform 0.1s;
}
.button:hover {
    background: linear-gradient(90deg, #a21caf 0%, #f472b6 100%);
    transform: translateY(-2px) scale(1.03);
}

.answer {
    color: #a21caf;
    font-size: 1.25rem;
    text-align: center;
    font-family: "Segoe UI", Arial, sans-serif;
    margin-top: 18px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.work {
    color: #4f378b;
    font-size: 1rem;
    text-align: center;
    font-family: "Segoe UI", Arial, sans-serif;
    margin-top: 10px;
    margin-bottom: 0;
    background: #f3f0ff;
    border-radius: 8px;
    padding: 12px 8px;
    box-shadow: 0 1px 4px rgba(124, 58, 237, 0.04);
    word-break: break-word;
}

@media (max-width: 600px) {
    main {
        padding: 18px 4vw 14px 4vw;
        max-width: 98vw;
    }
    h1 {
        font-size: 1.3rem;
    }
    .button {
        font-size: 1rem;
        padding: 12px 0;
    }
}