.filtro-box {
    background: #fff;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.filtro-form {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.filtro-group {
    display: flex;
    flex-direction: column;
    min-width: 120px;
}

.filtro-group.grow {
    flex: 1;
}

.filtro-group label {
    font-size: 12px;
    margin-bottom: 4px;
    color: #444;
    font-weight: 600;
}

.filtro-input {
    height: 36px;
    padding: 6px 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 13px;
    transition: all 0.2s ease;
}

.filtro-input:focus {
    border-color: #337ab7;
    outline: none;
    box-shadow: 0 0 4px rgba(51,122,183,0.3);
}

.filtro-search {
    display: flex;
}

.filtro-search .filtro-input {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    flex: 1;
}

.filtro-btn {
    height: 36px;
    padding: 0 12px;
    border: none;
    border-radius: 6px;
    background: #e0e0e0;
    cursor: pointer;
    transition: 0.2s;
}

.filtro-btn.primary {
    background: #337ab7;
    color: #fff;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.filtro-btn:hover {
    opacity: 0.9;
}