body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #f9fbfc;
    color: #333;
    padding: 0 10px;
}

header {
    background-color: #e5f0ff;
    padding: 20px 10px;
    text-align: center;
    font-size: 1.6rem;
    font-weight: 600;
    color: #356cc7;
}

.budget-info {
    display: flex;
    justify-content: space-between;
    font-weight: bold;
    margin: 10px 0;
    background-color: #eaf2ff;
    padding: 10px;
    border-radius: 8px;
    font-size: 1.1rem;
}

select,
input[type="text"],
input[type="number"],
input[type="date"],
button {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 1rem;
}

button {
    background-color: #456bda;
    color: white;
    border: none;
}

button:hover {
    background-color: #3250b7;
}

.expense-list {
    margin-top: 20px;
    background: white;
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
    font-size: 0.95rem;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    border-bottom: 1px solid #e0e0e0;
    padding: 8px;
    text-align: left;
}

.download-btns {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

@media (min-width: 768px) {
    .download-btns {
        flex-direction: row;
        justify-content: space-between;
    }

    select,
    input,
    button {
        width: auto;
        margin: 5px;
    }
}