body {
    background: #fff;
    color: #181818;
    font-family: 'Inter', Arial, sans-serif;
}
.div-card {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 4px 32px 0 rgba(0,0,0,0.07);
    padding: 32px 24px;
    max-width: 520px;
    margin: 48px auto 0 auto;
}
.div-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 18px;
    color: #181818;
    letter-spacing: -1px;
}
#divForm input {
    border-radius: 7px;
    border: 1px solid #d1d5db;
    background: #fff;
    color: #181818;
    font-size: 1.1rem;
    padding: 10px 14px;
}
#divForm button[type="submit"] {
    background: #181818;
    color: #fff;
    border: none;
    border-radius: 7px;
    padding: 10px 28px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: background 0.2s;
    margin-top: 10px;
}
#divForm button[type="submit"]:hover {
    background: #333;
}
#divResult {
    margin-top: 28px;
}
#divResult h5 {
    color: #222;
    font-size: 1.1rem;
    margin-bottom: 12px;
}
#divResult table {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}
#divResult th, #divResult td {
    color: #181818;
    font-size: 1rem;
    padding: 6px 12px;
}
#divResult th {
    background: #f3f3f3;
    font-weight: 600;
}
#divResult tr:nth-child(even) {
    background: #fafafa;
}
.alert-danger {
    background: #181818;
    color: #fff;
    border: none;
}
@media (max-width: 600px) {
    .div-card {
        padding: 16px 4vw;
        max-width: 98vw;
    }
}