.visa-bulletin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: Arial, sans-serif;
}

.vb-select,
.vb-date-input,
.date-btn {
    background-color: #fff;
    border: 1px solid #ccd0d4;
    color: #555d66;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    padding: 8px;
    margin: 4px 0;
    font-size: 14px;
    line-height: 1.5;
    transition: all 0.3s;
}

.vb-select:focus,
.vb-date-input:focus {
    border-color: #642a2c;
    outline: none;
    box-shadow: 0 0 2px rgba(100, 42, 44, 0.8);
}

.vb-filters-wrapper {
    display: flex;
    flex-flow: row wrap;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-end;
}

.vb-filter-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    color: #3c434a;
}

#vb-type { width: 300px; }
#vb-category { width: 150px; }
#vb-cob { width: 280px; }
.vb-date-input { width: 160px; }

.vb-chart-wrapper {
    background: #fff;
    padding: 15px;
    border: 1px solid #dcdcde;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

@media (max-width: 768px) {
    .vb-filters-wrapper {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }

    #vb-type, 
    #vb-category, 
    #vb-cob, 
    .vb-date-input {
        width: 100% !important;
    }
}